Code Tools
Free online developer utilities. All processing happens in your browser.
Regex Tester
Test regular expressions with live matching and highlighting.
Try it →CSS Minifier
Minify CSS code to reduce file size. Remove comments, whitespace, and unnecessary characters.
Try it →JSON Formatter
Format, validate, and beautify JSON data. Pretty-print messy JSON instantly.
Try it →HTML Minifier
Minify HTML code to reduce page size. Remove comments, optional tags, and whitespace.
Try it →Markdown Preview
Live markdown editor with real-time preview. Write and see formatted output instantly.
Try it →SQL Formatter
Format and beautify SQL queries with proper indentation and keyword capitalization.
Try it →JavaScript Obfuscator
Obfuscate JavaScript code to protect intellectual property. Encode strings and rename variables.
Try it →Code Beautifier
Format and beautify HTML, CSS, and JavaScript code with proper indentation.
Try it →About Code Tools
All tools run entirely in your browser. Your code is never sent to any server. Use these tools for quick code formatting, testing, and optimization without installing anything.