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⚡ Generators 📝 Text & Lists 🔄 Unit Converters 🎨 Color Tools 🔢 Numbers 📚 Education 🏠 Life & Home 🎉 Events

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13 categories live — click any to explore.

Word counters, case converters, list sorters, random pickers, lorem ipsum, password generators and more.

Browse Text & List tools →

Unit Converters

130+ converters

Convert between 130+ unit pairs — length, weight, temperature, volume, speed, data, time and more.

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HEX to RGB converter, palette generator, shades scale builder, CSS gradient generator and more.

Browse Color Tools tools →

Percentage calculator, Roman numerals, aspect ratio, base converter, tip calculator and more.

Browse Number Tools tools →

Username, business name, PIN, fake name and test data generators — all free, instant and running in your browser.

Browse Generators tools →

World clock, timezone converter, stopwatch, Unix timestamp converter and date calculator.

Browse Date & Time tools →

Grade calculator, times tables, flashcard maker, spelling quiz, reading level checker and more.

Browse Education tools →

Secret Santa generator, party budget calculator, raffle ticket generator and more.

Browse Events tools →

Mortgage calculator, loan calculator, fuel cost calculator, bill splitter and more.

Browse Life & Home tools →

Invoice number generator, meeting cost calculator, VAT calculator and more.

Browse Business tools →

Meta tag generator, headline analyser, keyword density checker, sentence counter and more.

Browse Writing & SEO tools →

Popular tools

Jump straight to the most-used tools.

Word Counter

Live word, character, sentence and reading time counter. Keyword density included.

°C to °F Converter

Convert Celsius to Fahrenheit instantly with a full reference table.

Percentage Calculator

Find X% of Y, what % X is of Y, and percentage increase or decrease.

Case Converter

UPPERCASE, lowercase, Title Case, camelCase, snake_case and 8 more.

Miles to Kilometres

Convert miles to km with a handy reference table for common distances.

Password Generator

Strong random passwords or memorable passphrases. Nothing is sent online.

HEX to RGB

Convert any HEX color to RGB, HSL and CMYK with live preview and tints.

Kg to Lbs

Convert kilograms to pounds. Includes a full conversion table.

Random Picker

Pick random items from any list. Multi-pick mode, no-repeats, history log.

Find & Replace

Find and replace text with regex support and live match count.

Roman Numerals

Convert numbers to Roman numerals or Roman numerals to numbers.

Palette Generator

Complementary, triadic and analogous palettes from any base color.

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1,300+ Unit Converters

Every major unit conversion — instant, accurate and free.

📏 Length ⚖️ Weight & Mass 🌡️ Temperature ⚡ Speed 📐 Area 💧 Volume 💾 Data Storage ⏰ Time ⚡ Energy 🔩 Pressure ⛽ Fuel Efficiency 👨‍🍳 Cooking & Baking 📐 Angle ⚡ Power 🖥️ CSS & Design 🖨️ Print & Typography 📡 Frequency 👟 Clothing & Shoe Sizes 📄 Paper Sizes All converters →

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X vs Y — Decision Guides

Side-by-side comparisons — when to use each, what the difference is, and why it matters. 74 guides across units, tech, cooking, finance and more.

kg vs lbs °C vs °F miles vs km JSON vs YAML UK vs US pint mph vs kph GB vs GiB SSD vs HDD

All 74 comparison guides →

Coming soon

More categories in development — building towards 1,000+ tools.

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Image Tools Soon

Resize, compress, crop and convert images entirely in your browser. Coming soon.

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