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298 free browser-based tools — no accounts, no servers.
All (298)
Text Tools (32)
Color Tools (25)
Date & Time (21)
Keyboard Shortcuts (7)
Design & Visual (33)
Developer Tools (90)
Utility Tools (42)
Finance & Everyday Math (22)
Productivity (12)
Kitchen & Cooking (2)
Health & Fitness (12)
Text Tools
32
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Character Counter
Count characters, words, and sentences with platform limits.
Social Character Counter
Check text length for X, LinkedIn, and Instagram limits.
Lorem Ipsum Generator
Generate placeholder text in standard, funny, or tech styles.
Text Repeater
Repeat any text with custom separators and transforms.
WhatsApp Text Formatter
Format bold, italic, strikethrough, and monospace for WhatsApp.
Glitch Text Generator
Create zalgo, glitchy, and full-width text effects.
Emoji to ASCII
Convert emoji to their Unicode code point representations.
Special Characters
Copy math, currency, arrow, and other special symbols.
Zero-Width Space
Copy invisible Unicode zero-width space characters.
Word Frequency Analyzer
Count word occurrences in any text, sorted by frequency. Great for SEO keyword density analysis.
Morse Code Translator
Translate text to Morse code and decode Morse code back to text, with a full reference chart.
Text to Speech
Paste any text and hear it read aloud using your browser's built-in voices. Adjust speed, pitch, and volume — free, no download needed.
Text Line Tools
Sort, deduplicate, shuffle, number, reverse, and trim lines of text instantly with 10 one-click operations.
Flip Text Generator
Turn text upside down using Unicode mirror characters, convert to fullwidth aesthetic text, or reverse your string.
HTML Entity Encoder / Decoder
Encode special HTML characters like &, <, >, ", ' into entities and decode them back to plain text instantly.
Emoji Picker
Browse and copy emojis by category — smileys, animals, food, travel, activities, and more. Click any emoji to copy it instantly.
Scrabble Score Calculator
Calculate the Scrabble tile score for any word or phrase. See each letter's point value highlighted by tier, from A (1pt) to Q and Z (10pts).
Anagram Checker
Check if two words or phrases are anagrams of each other. See a side-by-side letter frequency comparison and sorted letter view to spot which letters match or differ.
Palindrome Checker
Check if a word, phrase, or sentence reads the same forwards and backwards. Customize how case, spaces, and punctuation are handled. Famous examples included.
String Similarity Checker
Compare two strings and measure how similar they are using Levenshtein distance, Jaccard similarity, and longest common substring. Instant percentage scores.
Text Summarizer
Summarize any long text using extractive keyword-frequency analysis. The tool highlights the most important sentences and generates a concise summary — no AI, runs entirely in your browser.
Font Generator
Generate fancy Unicode text in 14 styles — bold, italic, script, double-struck, Gothic, monospace, circled, full-width, upside down, strikethrough, and more. Copy and paste anywhere.
Word Scrambler
Scramble any word or phrase with one click, or practice unscrambling letters to find the hidden word. Great for word games and puzzles.
Syllable Counter
Count syllables in any word, sentence, or paragraph instantly. See syllable counts per word, averages, and check if your poem is a haiku.
Text to Handwriting Generator
Convert typed text into realistic handwriting on lined, graph, or blank paper. Choose font style, ink color, and download as PNG.
Random Word Generator
Generate random nouns, adjectives, verbs, or adverbs instantly. Filter by starting letter and word length — perfect for writing, games, and brainstorming.
Keyword Density Analyzer
Analyze keyword frequency and density in your content. Paste any article and see top keywords ranked by how often they appear — ideal for SEO content analysis and on-page optimization.
Text to NATO Alphabet
Convert any text into the NATO phonetic alphabet for clear oral communication.
Email Normalizer
Normalize email addresses by removing dots, plus aliases, and lowercasing — useful for deduplication and data cleaning.
Text to Unicode
Convert text to Unicode code points and back — see the U+ hex values for every character in your string.
List Converter
Process column-based list data with options to sort, reverse, deduplicate, add prefix/suffix, and change separators.
Numeronym Generator
Generate numeronyms like i18n or k8s — abbreviations where a number replaces the middle letters.
Color Tools
25
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HEX to RGB
Convert hex color codes to RGB values.
HEX to HSL
Convert hex color codes to HSL values.
RGB to HEX
Convert RGB values to hex color codes.
RGB to HSV
Convert RGB values to HSV/HSB values.
RGB to CMYK
Convert RGB values to CMYK for print.
RGB to LAB
Convert RGB to CIE L*a*b* color space.
WCAG Color Contrast Checker
Check AA/AAA accessibility contrast compliance for text and background colors.
Pixel to Rem/Em Converter
Convert px, rem, and em values with configurable base font size.
Image Color Palette Extractor
Upload an image and extract dominant color swatches instantly.
Color Name Finder
Find the nearest named color from HEX or RGB input.
Resistor Color Code Calculator
Convert 4-band resistor colors to ohms and reverse from value to bands.
HSL to HEX
Convert HSL values to hex color codes.
HSL to HSV
Convert HSL to HSV/HSB color values.
HSV to HSL
Convert HSV/HSB to HSL color values.
HSV to RGB
Convert HSV/HSB values to RGB.
CMYK to RGB
Convert CMYK print values to RGB.
LAB to RGB
Convert CIE L*a*b* values to RGB.
Color Picker
Pick any color with HSL sliders and instantly get HEX, RGB, HSL, HSV, and CMYK values.
Color Palette Generator
Generate complementary, analogous, triadic, split-complementary, tetradic, and monochromatic palettes from any base color.
Color Mixer
Blend any two colors together with a custom ratio. See the mixed result as HEX, RGB, and HSL with a full gradient spectrum.
Color Shades Generator
Generate a complete 11-step color scale (50–950) from any base color. Copy as CSS custom properties or a Tailwind config snippet.
Color Blindness Simulator
Simulate how colors appear to people with color blindness. Preview Protanopia, Deuteranopia, Tritanopia, and Achromatopsia side by side to test designs for accessibility.
Random Color Generator
Generate random hex colors instantly. Get HEX, RGB, and HSL values, lock palette swatches, and copy any color code for your next design project.
Screen Color Picker
Pick any color from your screen using the EyeDropper tool and get HEX, RGB, HSL, and CMYK values instantly. Includes color history and manual hex input.
Tailwind Color Palette Generator
Generate a complete Tailwind CSS color palette from any base color. Get all 11 shades (50–950) with hex values, copy as tailwind.config.js, CSS variables, or JSON.
Date & Time
21
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Age Calculator
Calculate exact age in years, months, days, and hours.
Date Calculator
Add or subtract days, weeks, or months from a date.
Business Days Calculator
Calculate working days between two dates.
Date Formatter
Format any date in 12 different patterns.
Unix Timestamp Converter
Convert Unix epoch seconds or milliseconds to readable dates and back.
Time Zone Converter
Convert times between world time zones.
Week Number
Find the ISO and regular week number for any date.
Countdown Timer
Count down to any future date and time.
Pregnancy Due Date Calculator
Enter your last menstrual period or conception date to get your estimated due date, current week, trimester, and pregnancy milestones.
World Clock
See the current time in New York, London, Tokyo, Sydney, Dubai and 15+ cities simultaneously. Add or remove cities freely.
Ovulation Calculator
Enter your last period date and cycle length to find your ovulation day, fertile window, next period, and a full calendar view.
Time Duration Calculator
Calculate the exact duration between two times or two dates. Get results in hours, minutes, seconds, and decimal formats.
Age on Other Planets
Find out how old you'd be on every planet. Each planet orbits the Sun at a different speed, so your age varies across the solar system.
Meeting Planner
Find the best time to meet across multiple time zones. See what time it is for each participant and spot the ideal overlap window where everyone is available.
Moon Phase Calculator
Find the moon phase for any date. See the phase name, illumination percentage, and days until the next full or new moon in the 29.5-day lunar cycle.
Work Hours Calculator
Calculate total hours worked across multiple time entries. Supports overnight shifts, optional hourly rate for earnings calculation, and weekly totals.
Speed Distance Time Calculator
Solve for speed, distance, or time — enter any two values and instantly calculate the third. Supports km/h, mph, m/s, knots, km, miles, hours, minutes, and seconds.
Age Difference Calculator
Calculate the exact age difference between two people or any two dates. See the gap in years, months, and days, plus both current ages.
Sunrise & Sunset Calculator
Get exact sunrise, sunset, solar noon, and day length for any location and date. Enter coordinates or use your GPS location.
Biorhythm Calculator
See your physical, emotional, and intellectual cycle charts based on your birth date. Find your peak days, low days, and critical transition days.
Zodiac Sign Calculator
Enter your birthday to instantly find your Western zodiac sign and Chinese zodiac animal. See your element, traits, ruling planet, and compatible signs.
Keyboard Shortcuts
7
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Figma Shortcuts
Essential keyboard shortcuts for Figma designers.
Photoshop Shortcuts
Adobe Photoshop keyboard shortcuts cheat sheet.
Gmail Shortcuts
Gmail keyboard shortcuts to manage email faster.
Twitter / X Shortcuts
Twitter and X keyboard shortcuts guide.
YouTube Shortcuts
YouTube keyboard shortcuts for video control.
Discord Shortcuts
Discord shortcuts for chat, navigation, and voice.
Pipedrive Shortcuts
Pipedrive CRM keyboard shortcuts guide.
Design & Visual
33
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CSS Gradient Generator
Create linear CSS gradients with a live preview.
CSS Box Shadow Generator
Build and preview CSS box-shadow values with one-click copy.
CSS Glassmorphism Generator
Generate frosted-glass CSS with backdrop blur and copy-ready styles.
QR Code Generator
Generate custom QR codes for any text or URL.
WiFi QR Code Generator
Generate a scannable QR code to share WiFi credentials instantly.
Letter Profile Picture
Generate avatar images from initials with custom colors.
Spinner Wheel
Customizable random spinner wheel with your own options.
Minecraft Shape Generator
Generate Minecraft block shapes and pixel-art structures.
Minecraft Color Code Generator
Preview and copy legacy Minecraft text color and formatting codes.
D&D Dice Roller
Roll RPG dice notation like 2d8+5 and 4d6dl1 with breakdowns.
Minecraft Enchantment Cost Calculator
Estimate anvil XP costs when combining enchanted books.
YouTube Timestamp Link Generator
Generate shareable YouTube links that start at a specific time.
Reading Time Estimator
Estimate how long text takes to read with adjustable words-per-minute speed.
CSS Flexbox Generator
Visually configure Flexbox properties with a live preview and copy the generated CSS.
CSS Border Radius Generator
Set each corner independently, choose from preset shapes like circle and pill, and copy the ready-to-use CSS border-radius.
CSS Text Shadow Generator
Add multiple text shadow layers with offset, blur, and color controls. Live preview and copy the CSS text-shadow property.
CSS Clip Path Generator
Pick from 17 preset shapes — triangle, hexagon, star, arrow, and more — and copy the ready-to-use CSS clip-path value.
Gradient Text Generator
Create gradient text effects for your website. Pick colors, direction, and font settings, then copy the ready-to-use CSS or inline HTML.
CSS Grid Generator
Visually build CSS Grid layouts. Set columns, rows, track sizes (fr, px, auto), and gaps, then copy the ready-to-use CSS.
CSS Animation Generator
Generate CSS keyframe animations with a live preview. Choose from 12 presets — fade, slide, bounce, spin, shake, and more. Adjust duration, delay, timing, and iterations.
Social Media Image Sizes
The complete reference for every social media image dimension — Instagram, Facebook, X/Twitter, LinkedIn, YouTube, TikTok, Pinterest, and Snapchat profiles, covers, and posts.
Pixel Art Maker
Draw pixel art on an 8×8, 16×16, or 32×32 grid in your browser. Pick colors, click or drag to paint, use the eraser or fill — create retro sprites with no download needed.
ASCII Art Generator
Generate copy-ready ASCII text banners in multiple styles.
CSS Variable Generator
Generate a complete CSS design token system from a brand color. Get 11-shade color scales, spacing, typography, border-radius, and shadow variables ready to paste.
Placeholder Image Generator
Generate custom placeholder images in your browser. Set width, height, background color, text color, and custom label. Download as PNG or copy the SVG data URL.
Meme Generator
Create memes online — no watermark. Upload your own image, add top and bottom text in Impact font, customize size and color, and download as PNG. 100% browser-based.
Online Signature Maker
Draw your signature with your mouse or finger and download it as a transparent PNG. No watermark, no sign-up — runs entirely in your browser.
Barcode Generator
Create Code 128, Code 39, EAN-13, and UPC-A barcodes instantly in your browser. Customize colors, bar size, and download as PNG or copy as SVG.
Image Compressor
Compress JPEG, PNG, and WebP images in your browser with no upload to any server. Reduce file size by up to 90% with adjustable quality.
Favicon Generator
Generate a favicon from text or emoji in your browser. Choose background color, text color, and shape — download as PNG at 16×16, 32×32, 64×64, or 128×128 pixels. No upload needed.
Neumorphism Generator
Generate neumorphic CSS box shadows with a live preview. Adjust size, radius, distance, intensity, and shape — copy ready-to-use CSS for flat, pressed, concave, or convex neumorphic elements.
Typography Scale Generator
Generate a modular type scale using classic ratios like the golden ratio, perfect fourth, or major third. Preview each step and copy as CSS custom properties or a Tailwind config snippet.
Code Screenshot Generator
Turn code snippets into beautiful shareable images. Choose from 5 themes, set a gradient background, toggle line numbers and window chrome — download as PNG with no watermark.
Developer Tools
90
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Folder Structure Generator
Build folder structure diagrams, ASCII directory trees, and file tree visualizations for READMEs and docs.
.gitignore Generator
Generate merged .gitignore rules for your stack with one click.
JSON to TypeScript Interface
Convert JSON into TypeScript interfaces with inferred nested types.
Text to Slug Converter
Convert titles and phrases into clean SEO-friendly URL slugs.
UTM Builder
Build campaign URLs with UTM parameters for analytics tracking.
JSON Formatter & Validator
Validate, format, and minify JSON directly in your browser.
Regex Tester
Test regular expressions with live matches and flag controls.
Base64 Encode/Decode
Encode text to Base64 and decode Base64 back to plain text.
JWT Decoder
Decode JWT headers and payload claims directly in your browser.
Markdown Table Generator
Convert CSV or TSV rows into clean Markdown tables for docs.
CSV to JSON Converter
Convert CSV or TSV rows into JSON objects with instant output.
JSON to CSV Converter
Convert JSON arrays of objects into CSV rows for spreadsheets.
Diff Checker
Compare two texts line by line to spot additions and removals.
Case Converter
Convert text into camelCase, snake_case, kebab-case, and more.
URL Encoder/Decoder
Encode unsafe URL characters and decode percent-encoded strings.
UUID Generator
Generate random UUID v4 values in bulk with quick copy actions.
Hash Generator (SHA)
Generate SHA hashes (SHA-1, SHA-256, SHA-384, SHA-512) from text.
SQL Formatter
Format and minify SQL queries with keyword casing options.
XML Formatter
Validate, format, and minify XML with copy-ready output.
YAML Formatter
Validate, format, and minify YAML with clean indentation.
TOML Formatter
Validate, format, and minify TOML config text quickly.
INI Formatter
Validate, format, and minify INI configuration files.
CSV Formatter
Validate and normalize CSV with delimiter conversion support.
CRON Expression Explainer
Translate 5-field cron schedules into plain-English descriptions.
Git Branch Name Generator
Generate clean branch names from ticket titles and naming conventions.
HTTP Status Code Reference
Search HTTP response codes with meanings and common troubleshooting causes.
Subnet / CIDR Calculator
Calculate IPv4 network, broadcast, and host ranges from CIDR input.
Number Base Converter
Convert between binary, octal, decimal, and hexadecimal in real time.
HTML Formatter & Minifier
Beautify HTML with proper indentation or minify it to reduce file size.
Image to Base64 Converter
Upload any image and get the Base64 data URI for embedding in HTML or CSS.
Markdown Preview
Write Markdown and see the live rendered HTML preview side by side.
Text to Binary Converter
Convert text to binary, hex, octal, and decimal — or decode binary back to text.
Scientific Calculator
Full scientific calculator with sin, cos, tan, log, ln, sqrt, powers, and calculation history.
Caesar Cipher & ROT13
Encode or decode text with a Caesar cipher at any shift value, use ROT13, or brute-force all 26 shifts at once.
Meta Tag Generator
Generate SEO meta tags, Open Graph, and Twitter Card HTML tags for your web page with a live copy-ready preview.
JSON to YAML Converter
Paste any valid JSON and instantly get clean, properly indented YAML output. Supports nested objects, arrays, and all types.
URL Parser
Break any URL into its components — protocol, hostname, port, pathname, query parameters, and fragment hash. Copy any part instantly.
XML to JSON Converter
Convert XML to JSON instantly in your browser. Handles attributes, nested elements, and repeated sibling tags as arrays.
Fake Data Generator
Generate realistic fake test data — names, emails, usernames, phone numbers, addresses, UUIDs, and more. Export as TSV or JSON.
Key Code Tester
Press any key to see its JavaScript event properties: key, code, keyCode, which, and modifier states. Instantly debug keyboard events.
Markdown to HTML
Convert Markdown to clean HTML instantly. Supports headings, bold, italic, links, code blocks, lists, and blockquotes with a live preview.
Text Encryptor / Decryptor
Encode and decode text using classic ciphers — Vigenère, ROT13, and Atbash. Runs entirely in your browser with no data sent to a server. Swap input and output in one click.
ASCII Table Reference
Complete ASCII character table (0–127) with decimal, hexadecimal, octal, and binary values. Search by character, name, or code. Click any printable character to copy it.
Bitwise Calculator
Perform bitwise AND, OR, XOR, NOT, left shift, and right shift on two numbers. View the 16-bit binary representation for every result. Supports decimal, binary, and hex input.
IP Address Analyzer
Analyze any IPv4 address — view binary representation, IP class, private/public status, subnet mask, and CIDR notation. Perfect for networking and DevOps tasks.
Ohm's Law Calculator
Calculate voltage, current, resistance, or power using Ohm's Law. Enter any two known values — the calculator solves for the remaining quantities with full formula reference.
CSS Minifier
Minify CSS online — remove comments and whitespace to compress your stylesheet. Paste your CSS and get the minified version instantly with file size stats.
JavaScript Minifier
Minify JavaScript online — remove comments and collapse whitespace to reduce file size. Configurable options including console.log removal. Runs in your browser.
HTML to Markdown Converter
Convert HTML to Markdown instantly. Supports headings, links, images, tables, lists, code blocks, blockquotes, bold, and italic. Paste HTML and get clean Markdown output.
Robots.txt Generator
Generate a valid robots.txt file for your website. Add user-agent rules, disallow and allow paths, and sitemap URL. Quick presets for common configurations.
Sitemap XML Generator
Generate a valid XML sitemap for your website. Add URLs with priority and change frequency, bulk-import URLs, and download as sitemap.xml instantly.
SVG to PNG Converter
Convert SVG to PNG online. Upload an .svg file or paste SVG code, set the output scale, and download a crisp PNG. Runs entirely in your browser.
Image Format Converter
Convert images between PNG, JPEG, and WebP in your browser. Upload any image, choose output format and quality, and download the converted file instantly.
Tournament Bracket Generator
Create single-elimination tournament brackets online. Add teams, generate the bracket, and click to advance winners round by round. Print or screenshot to save.
Word Search Maker
Generate custom word search puzzles. Enter your words, choose a grid size (10×10, 15×15, or 20×20), and create a printable word search with horizontal, vertical, and diagonal hidden words.
Binary Calculator
Add, subtract, and multiply binary numbers, or perform AND, OR, XOR bitwise operations. See results in binary, decimal, and hex with step-by-step working.
CSS Specificity Calculator
Instantly calculate the specificity of any CSS selector. See the (A,B,C) score, compare two selectors, and understand which CSS rule wins.
Open Graph Preview
Preview how your page looks when shared on Twitter/X, Facebook, and LinkedIn. Enter title, description, image URL, and site name to see live social card mockups — no URL fetching needed.
JSON Schema Generator
Generate a JSON Schema (Draft 7) from any JSON example. Paste your JSON and get a valid schema with inferred types for objects, arrays, strings, numbers, booleans, and nested structures.
CSS Media Query Generator
Generate responsive CSS media queries with custom breakpoints. Use Tailwind or Bootstrap presets, switch between mobile-first and desktop-first strategies, and copy the CSS output.
JSONPath Tester
Test JSONPath expressions against JSON data in real time. Query with dot notation, wildcards, array slices, and filter expressions — see matching results highlighted instantly in your browser.
Credit Card Validator
Validate any credit card number using the Luhn algorithm. Instantly detect the card network (Visa, Mastercard, Amex, Discover) and check whether the number passes the checksum. 100% client-side.
HTML to Plain Text Converter
Strip HTML tags and convert HTML to clean readable plain text. Options to preserve line breaks, decode HTML entities, and collapse whitespace. Useful for copying web content or cleaning scraped data.
HMAC Generator
Generate HMAC signatures using SHA-256, SHA-384, or SHA-512 — entirely in your browser.
Basic Auth Generator
Generate Base64-encoded Basic Authentication headers from a username and password instantly.
JSON to XML Converter
Convert JSON objects to well-formatted XML markup instantly in your browser.
YAML to JSON Converter
Convert YAML to JSON instantly — paste your YAML and get clean, formatted JSON output.
User-Agent Parser
Parse any user-agent string and extract browser, OS, engine, and device information.
MIME Types Reference
Look up MIME types by file extension or search by content type — a complete reference for developers.
Random Port Generator
Generate random network port numbers outside the well-known range (1024–65535) for development and testing.
ULID Generator
Generate Universally Unique Lexicographically Sortable Identifiers (ULIDs) for time-ordered unique IDs.
RSA Key Pair Generator
Generate RSA public and private key pairs in PEM format directly in your browser using Web Crypto API.
YAML to TOML
Convert YAML configuration files to TOML format instantly in your browser.
JSON to TOML
Convert JSON objects to TOML configuration format instantly in your browser.
TOML to JSON
Convert TOML configuration files to JSON format instantly in your browser.
TOML to YAML
Convert TOML configuration files to YAML format instantly in your browser.
OTP Code Generator
Generate and verify TOTP one-time passwords for testing multi-factor authentication flows in your browser.
JSON Diff
Compare two JSON objects and visually highlight the differences — added, removed, and changed keys.
Git Cheatsheet
Quick reference for the most common Git commands — setup, branching, merging, stashing, and more.
JSON Minify
Remove all whitespace from JSON to produce the smallest possible output for APIs and storage.
Chmod Calculator
Calculate Unix file permission values — click checkboxes to build chmod values and see the octal and symbolic representations.
Docker Run to Compose
Convert docker run commands into docker-compose.yml service definitions instantly.
IPv4 Address Converter
Convert an IPv4 address to decimal, binary, hexadecimal, and IPv6 representations instantly.
IPv4 Range Expander
Enter a start and end IPv4 address to get the covering CIDR block, subnet mask, and address count.
MAC Address Generator
Generate random MAC addresses in various formats with optional OUI prefix for network testing.
IPv6 ULA Generator
Generate RFC 4193 IPv6 Unique Local Addresses (ULA) for private networks — fc00::/7 range.
String Obfuscator
Partially mask a string — like a token, IBAN, or API key — to share it safely without revealing the full value.
Benchmark Builder
Measure and compare the execution time of JavaScript code snippets directly in your browser.
Regex Cheatsheet
A complete JavaScript regex cheatsheet — anchors, character classes, quantifiers, groups, flags, and common patterns.
Base64 File Converter
Convert any file to Base64 and decode Base64 strings back to downloadable files — entirely in your browser.
Utility Tools
42
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Password Strength Checker
Score your password strength and generate stronger ones.
Password Generator
Generate strong random passwords with configurable length and character sets.
Decision Maker
Let the tool randomly pick from your list of options.
Yes or No Wheel
Spin a wheel for a random yes or no answer.
My Screen Size
Detect your current screen resolution and aspect ratio.
Screen Sizes Reference
Common Apple device screen sizes and resolutions.
Aspect Ratio Calculator
Calculate reduced aspect ratios and proportional dimensions.
String Calculator
Analyze text statistics: characters, words, lines, paragraphs.
Roman Numeral Converter
Convert numbers to Roman numerals and Roman numerals to numbers.
Readability Score Calculator
Calculate Flesch, FK Grade, Gunning Fog, and SMOG readability scores.
Number to Words Converter
Convert numeric values into English words, including negatives and decimals.
Temperature Converter
Convert between Celsius, Fahrenheit, Kelvin, and Rankine instantly.
Unit Converter
Convert between metric and imperial units for length, weight, volume, and area.
Stopwatch
Online stopwatch with lap tracking, split times, and best/worst lap highlighting.
Random Number Generator
Generate random integers or decimals within any range, with no-duplicate and sort options.
Statistics Calculator
Calculate mean, median, mode, standard deviation, variance, and more from a list of numbers.
GPA Calculator
Calculate your weighted GPA from courses, letter grades, and credit hours on a 4.0 scale.
Coin Flip
Flip a virtual coin online for a random heads or tails result. Supports multi-flip mode and tracks your heads/tails statistics.
Online Timer
Free online countdown timer with hour, minute, and second input, quick presets, and an audio alarm when time is up.
Image Resizer
Resize any image in your browser — set dimensions, choose JPEG, PNG, or WebP format, and download the result. Nothing uploaded.
Tally Counter
Free online tally counter with multiple named counters. Click to increment, decrement, or reset each counter independently.
Noise Generator
Play white, pink, or brown noise to help you focus, relax, or fall asleep. Generated in your browser using the Web Audio API.
Number Sequence Generator
Generate Fibonacci, prime, powers of 2, triangular, square, cube, factorial, arithmetic, and geometric sequences. Copy as a comma-separated list or with custom separators.
Times Table Generator
Generate the multiplication table for any number from 1 to 20. Choose how far to count, hover rows to highlight them, and copy the full table as plain text.
BPM Tap Counter
Tap in rhythm to calculate beats per minute (BPM).
Number Formatter
Format any number in 14 different ways — US/EU/Indian locale, currency, scientific notation, engineering, words, binary, hex, octal, and more.
Interactive Periodic Table
Explore all 118 elements of the periodic table. Click any element to see atomic number, symbol, name, mass, and category. Search and filter by element type.
Fuel Efficiency Converter
Convert fuel efficiency between MPG (US), MPG (UK), L/100km, and km/L. Includes a trip cost calculator — enter distance and fuel price to estimate total fuel spend.
Shoe Size Converter
Convert shoe sizes between US, UK, EU, CM, and Japanese sizing for men, women, and kids. Full size charts included — find your equivalent size in any system instantly.
Triangle Calculator
Solve any triangle using SSS, SAS, ASA, or AAS. Calculate all missing sides, angles, area, and perimeter with an SVG visualization and triangle type detection.
Random Name Generator
Generate random full names, first names, or last names. Choose male, female, or any gender across 7 nationalities — English, Spanish, French, German, Japanese, Arabic, and Italian.
List Randomizer
Shuffle any list instantly. Paste items one per line, randomize the order, or pick a single random item. Perfect for random order, name draws, playlist shuffles, or deciding who goes first.
Username Generator
Generate unique usernames in gamer, professional, cute, or random styles. Add a keyword, toggle numbers, and get dozens of ideas at once. Shows character limits for major platforms.
Quadratic Formula Calculator
Solve quadratic equations (ax² + bx + c = 0) with step-by-step solutions. Get real and complex roots, discriminant, vertex, and parabola direction. Free quadratic equation solver.
PPI Calculator
Calculate pixels per inch (pixel density) for any screen. Enter resolution and screen size to get PPI, PPCM, megapixels, and dot pitch. Also converts pixels to inches, cm, and mm.
Passphrase Generator
Generate strong, memorable passphrases using random words. Customize word count, separators, and capitalization. See entropy and estimated crack time.
File Size Converter
Convert file sizes between bytes, KB, MB, GB, TB, and more in both SI (decimal) and IEC (binary) notation. Instantly compare how drive manufacturers vs. operating systems measure storage.
Download Time Calculator
Calculate how long it takes to download any file at a given internet speed. Supports Kbps, Mbps, Gbps, and MB/s with quick presets for 3G, 4G, 5G, and broadband.
Circle Calculator
Enter any one property of a circle — radius, diameter, area, or circumference — and instantly calculate all the others using standard geometry formulas.
Square Footage Calculator
Calculate the total square footage of one or more rooms. Supports rectangular, triangular, and circular shapes. Add multiple rooms and get instant totals in ft² and m².
Uptime & SLA Calculator
Calculate the maximum allowed downtime for any uptime SLA percentage. See how much downtime is permitted per year, month, week, and day for 99%, 99.9%, 99.99% and custom SLAs.
IBAN Validator & Parser
Validate and parse IBAN numbers — check format, verify the checksum, and extract country and BBAN.
Finance & Everyday Math
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Tip Calculator & Bill Splitter
Calculate tip and split total bill per person with instant totals.
Percentage Calculator
Solve percent-of, what-percent, and percentage-change calculations.
VAT/Tax Calculator
Add or remove VAT/tax from amounts with a configurable rate.
Fuel/Road Trip Cost Calculator
Estimate fuel needed and trip cost from distance, efficiency, and fuel price.
Mortgage Calculator
Estimate monthly payment, total paid, and total interest for a home loan.
Loan & EMI Calculator
Calculate monthly EMI, total interest, and full amortization schedule for any loan.
Compound Interest Calculator
See how investments grow with compound interest — with year-by-year breakdown.
Fraction Calculator
Add, subtract, multiply, or divide fractions with simplified results, mixed numbers, and steps.
Savings Goal Calculator
Calculate how much to save per month to reach your goal — or how long it takes with a fixed monthly amount. Includes interest.
Budget Calculator
Track your monthly income and expenses. See your net savings, savings rate, and a visual income vs. expenses breakdown.
Retirement Calculator
Plan your retirement. See your projected nest egg, monthly income from savings, and a year-by-year growth breakdown.
Loan Payoff Calculator
See how much sooner you can pay off your loan with extra monthly payments. Compare standard vs. accelerated payoff, total interest saved, and a month-by-month amortization table.
Invoice Generator
Create and print professional invoices instantly in your browser. Add line items, tax rate, and client details — no sign-up required, nothing uploaded to any server.
Net Worth Calculator
Calculate your net worth by listing your assets and liabilities. See total assets, total liabilities, and net worth with a visual breakdown. Runs entirely in your browser.
Break-Even Calculator
Find how many units you need to sell to cover all costs. Enter fixed costs, variable cost per unit, and selling price to calculate your break-even point and contribution margin.
Expense Splitter
Track shared expenses and see who owes whom. Add people, enter who paid each expense, and get the minimum number of transfers to settle up.
Unit Price Comparison
Compare products by price per unit to find the best value. Enter price and quantity for each option to instantly see which size or brand gives you the most for your money.
Salary Calculator
Convert any salary between hourly, daily, weekly, monthly, and annual rates. Configure hours per day, days per week, and see your net salary after tax.
ROI Calculator
Calculate return on investment, annual CAGR, net profit, and payback period. Enter your initial investment and total return value to see your performance at a glance.
Discount Calculator
Calculate the sale price, discount amount, and savings for any percentage off. Supports reverse mode to find the original price from a sale price and discount percentage.
Electricity Cost Calculator
Find out how much any appliance costs to run per day, week, month, and year. Enter wattage, daily usage hours, and your electricity rate to get accurate running cost estimates.
Inflation Calculator
Find the equivalent purchasing power of money across any years from 1913 to 2024 using historical US CPI data. Calculate how prices have changed over time.
Productivity
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Meeting Cost Calculator
Estimate meeting cost by attendees, hourly rates, and duration.
Pomodoro Timer
Run focused work sessions with break intervals and session tracking.
Typing Speed Test
Measure your words per minute (WPM) and typing accuracy with five passages. Track errors and improve your speed.
Flashcard Maker
Create question-and-answer flashcards and study them in your browser. Flip cards with an animation, shuffle your deck, and mark cards as known to track progress.
Habit Tracker
Track your daily habits across the week. Check off each day you complete a habit, monitor your streak, and build consistency. Progress is saved in your browser.
Grade Calculator
Calculate your weighted course grade or find out what score you need on the final exam to hit your target. Supports any number of assignments with custom weights.
Email Signature Generator
Create a professional HTML email signature — add name, title, company, phone, website, and social links. Choose a style, preview it, and copy the HTML for Gmail, Outlook, or Apple Mail.
Hashtag Generator
Generate relevant hashtags for Instagram, TikTok, Twitter/X, and LinkedIn. Enter your topic and category, pick how many, then copy them all. Platform limits respected.
Online Notepad
Free online notepad that auto-saves in your browser. No account needed — start typing immediately. Supports multiple notes, word count, and one-click copy or download as .txt.
Random Quote Generator
Get inspired with a random quote from Einstein, Churchill, Twain, Maya Angelou, and more. Filter by category — motivational, wisdom, humor, science. Copy or save favorites.
Love Calculator
Enter two names and find out your love compatibility percentage. A fun way to check if you're meant to be — shareable results included!
Numerology Calculator
Find your Life Path Number, Expression Number, Soul Urge, and Personality Number. Enter your name and birthdate for a complete numerology reading.
Kitchen & Cooking
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Cooking Unit Converter
Convert cups, spoons, ml, grams, and ounces with ingredient-specific density.
Recipe Scaling Calculator
Scale any recipe up or down by changing the number of servings. All ingredient amounts adjust proportionally. Supports cups, grams, ml, oz, and more.
Health & Fitness
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BMI Calculator
Calculate your Body Mass Index using metric or imperial units with category breakdown.
Sleep Calculator
Find the best bedtime or wake-up time based on 90-minute sleep cycles. Wake up refreshed with this free sleep cycle calculator.
TDEE Calculator
Calculate your Total Daily Energy Expenditure using the Mifflin-St Jeor formula. Find calorie targets for weight loss, maintenance, or muscle gain.
Ideal Weight Calculator
Calculate your ideal body weight using four clinical formulas: Devine, Robinson, Miller, and Hamwi. Supports metric and imperial units.
Heart Rate Zone Calculator
Find your 5 heart rate training zones based on age or max heart rate. Includes the Karvonen formula with fat burn, aerobic, and VO₂ max zones.
Body Fat Calculator
Estimate body fat percentage using the US Navy circumference method. Enter height, neck, waist, and hip measurements to see your body fat category. Metric and imperial supported.
Weight Loss Calculator
Calculate how long it will take to reach your weight loss goal. Choose your pace, see the required daily calorie deficit, and get a month-by-month weight milestone breakdown.
Running Pace Calculator
Convert running pace and speed with race finish time estimates.
Calorie Burn Calculator
Estimate calories burned using activity MET, body weight, and workout duration.
Daily Water Intake Calculator
Estimate daily hydration target in ml and liters using weight, activity, and climate.
Breathing Exercise Timer
Follow guided breathing exercises to reduce stress, improve focus, or fall asleep. Choose Box Breathing, 4-7-8, Calm Breathing, or Energizing Breath with an animated visual guide.
Macro Calculator
Calculate daily protein, carbohydrate, and fat targets based on your TDEE and goal. Enter your stats and choose to lose weight, maintain, or build muscle — get gram and calorie breakdowns.