All free online tools
Browser-based tools for developers, designers and writers. Nothing to install, and your files stay on your device.
Developer tools
Format, encode and generate data for code and APIs.
JSON Formatter and Validator
Check JSON for errors, see the exact line and column, then format or minify it.
Developer toolsOpenBase64 Encoder and Decoder
Encode text or files to Base64, decode it back, or turn images into data URIs for CSS.
Developer toolsOpenURL Encoder and Decoder
Percent-encode text for links and query strings, or decode encoded URLs.
Developer toolsOpenPassword Policy Regex Generator
Turn password rules into a regex and HTML pattern, test passwords and generate strong ones.
Developer toolsOpenRandom Number Generator
Pick one or many random numbers in any range, with or without duplicates.
Developer toolsOpen
CSS and design
Build CSS and pick colors with a live preview.
CSS Gradient Generator
Build linear and radial gradients with up to six colors and copy CSS or a Tailwind class.
CSS and designOpenCSS Box Shadow Generator
Adjust offset, blur, spread and color, then copy CSS or a Tailwind class.
CSS and designOpenCSS Button Hover Effect Generator
Design a button with gradient, shadow and hover animations, then copy the CSS and HTML.
CSS and designOpenColor Palette Generator
Generate 5-color palettes from real color schemes and check text contrast.
CSS and designOpenHEX to RGB and HSL Converter
Convert colors between HEX, RGB and HSL, including transparency.
CSS and designOpen
Text tools
Count, convert and clean up text.
Word and Character Counter
Count words, characters, sentences and reading time as you type.
Text toolsOpenCase Converter
Switch text between UPPERCASE, lowercase, Title Case and Sentence case.
Text toolsOpenList Cleaner
Remove duplicate and blank lines, trim spaces and sort any list.
Text toolsOpenFancy Font Generator
Write in bold, italic, script and other Unicode styles for social media bios.
Text toolsOpen
Images and files
Convert images and documents without uploading them.
Calculators
Quick answers to everyday decisions.
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