Developer Tools
Free developer tools for converting code, formatting content, and preparing web workflows.
UUID Generator
Generate one or multiple random UUID v4 values online with copy, download, uppercase, and no-hyphen options.
JSON Formatter & Validator
Format, beautify, minify, and validate JSON online with error messages, stats, copy, and download options.
HTML Beautifier
Format HTML code online, prettify messy markup, fix readable indentation, copy formatted output, or download a clean .html file.
JS Minifier
Minify JavaScript online, compress JS code, remove safe comments, compare size savings, copy output, or download a compact .js file.
CSS Minifier
Minify CSS online, compress stylesheet code, remove safe comments, compare file size savings, copy output, or download a .css file.
HTML Minifier
Minify and compress HTML code online with optional comment removal, size savings, copy, and download tools.
HTML to Markdown Converter
Convert HTML code to clean Markdown online with headings, links, lists, images, code blocks, preview, copy, and download.