URL Encoder / Decoder
Encode or decode URL components instantly in your browser — nothing is uploaded.
Encode and decode URLs online
Paste any text or URL and it is encoded or decoded the moment you type — no button to press, no upload. Everything runs locally in your browser, so even sensitive query strings never leave your machine. Use Component mode to encode a single query value (escapes &, =, +, and more), or Full URI mode to encode a complete URL while leaving structural characters intact.
The decoder uses decodeURIComponent and catches malformed sequences immediately, giving you a clear error message instead of a silent failure.
FAQ
What is the difference between Component and Full URI? Component mode encodes all reserved characters including & and =, making it suitable for a single query parameter value. Full URI mode leaves structural characters like /, ?, and & unencoded, so it is safe to apply to an entire URL.
Is my data sent anywhere? No. All encoding and decoding happens client-side using native browser APIs.