Web & Dev Utilities

Encode plain text, JSON, or raw code into UTF-8 Base64 strings or decode Base64 data 100% client-side.

Compress CSS code to reduce website load time or un-minify compressed CSS files back to structured code.

Convert raw cURL shell commands into JavaScript fetch(), Axios, and PHP cURL code snippets.

Safely convert special characters into HTML entities or decode entities back into plain text with real-time browser processing.

Interactive reference guide and inspector for HTTP response status codes (2xx, 3xx, 4xx, 5xx) and security headers.

Format raw JavaScript code or minify scripts into lightweight code completely client-side in your browser.

Convert rich markdown text to clean, semantic HTML markup in real-time with visual preview pane and instantaneous code copying.

Test JavaScript regular expression patterns against test text with live match highlighting, capture groups, and flag controls.

Format raw or minified SQL queries into clean, indented code with syntax highlighting for MySQL, PostgreSQL, and SQLite.

Encode strings into RFC 3986 percent-encoded URL parameters or decode encoded URLs back to human-readable text.

Parse User-Agent HTTP header strings to inspect browser name, version, operating system, rendering engine, and device type.