Free tools. Instant results.

Percentage Calculator

Find %, change rate, ratios

Calorie Calculator

Calculate daily calorie needs

Fuel Cost Calculator

Calculate trip fuel costs

Body Fat Calculator

Calculate body fat percentage

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Converters

Unit conversion tools for length, weight, temperature, and more

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Currency Converter

Convert between world currencies

Roman Numeral Converter

Convert Arabic & Roman numerals

World Clock

See current time worldwide

Shoe Size Converter

Convert US, UK, EU & CM sizes

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Text Tools

Text analysis, counting, and manipulation tools

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Character Counter

Count characters, words, sentences

Text Repeater

Repeat text multiple times

Word Frequency Counter

Analyze word frequency in text

Markdown Table Generator

Build markdown tables visually

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Developer Tools

JSON, code formatting, and developer utility tools

All 27 →

JSON Formatter

Format, validate & minify JSON

Base64 Encoder/Decoder

Encode & decode Base64 strings

Chmod Calculator

Calculate Unix file permissions

CSS Text Shadow Generator

Create & customize text shadows

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Security Tools

Password generators, hash tools, and security utilities

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Password Generator

Generate strong, secure passwords

QR Code Generator

Generate QR codes instantly

Password Strength Checker

Check password security strength

Hash Generator

Generate MD5, SHA-256, SHA-512

Color Tools

Color conversion, palette generation, and design utilities

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HEX to RGB Converter

Convert HEX and RGB colors

Color Blindness Simulator

Simulate color vision deficiency

Color Palette Generator

Generate beautiful color palettes

Gradient Generator

Create beautiful CSS gradients

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Image Tools

Image resizing, compression, and format conversion tools

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Image Resizer

Resize images to any dimension

Placeholder Image Generator

Generate placeholder images instantly

Favicon Generator

Generate favicons in all sizes

Image Compressor

Compress images to reduce size