Compare two text or code snippets side-by-side or unified with additions, deletions, and line-by-line diff highlighting.
All calculations and formatting functions are performed directly in your local browser using standard JavaScript runtimes. No input data is ever sent to our servers or stored on remote databases. developerOS values developer privacy and system security above all.
Test your regular expressions against sample texts with match highlighting, capture group indicators, and flags.
Break any URL down into its protocol, host, port, path, query parameters, and hash — entirely client-side.
Parse a URL query string into key-value pairs, or build one from scratch with proper URL encoding.