Encodes everything unsafe in a URL component — spaces, ampersands, equals signs, question marks — and decodes percent-encoded strings back, reporting malformed sequences instead of throwing.
Runs entirely in your browser
TechToolsHQ is an independent, reader-supported tech platform. If this free tool saved you time, solved a problem, or helped your workflow, consider supporting our work. Your support helps us keep our utilities 100% free, private, and ad-free for everyone.