URL Encoder / Decoder
Encode and decode URLs and query string parameters online, instantly. Supports value encoding, full URL encoding, and decoding — free tool.
encodeURIComponent — encodes / : ? & for query param values
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Frequently asked questions
What is URL Encoder / Decoder?+
Encode and decode URLs with the right mode for every situation — no libraries, no server.
How do I use URL Encoder / Decoder?+
Encode value mode: encodes everything including / : ? & — use for query parameter values. Encode URL mode: preserves URL structure like / : ? — use for full URLs. Decode mode: reverses percent-encoded strings back to readable text. Each mode includes a hint explaining when to use it
Is URL Encoder / Decoder free?+
Yes, URL Encoder / Decoder is completely free. No account or sign-up required, and all processing happens in your browser — nothing is sent to a server.
Is my data safe when I use URL Encoder / Decoder?+
Yes. URL Encoder / Decoder runs entirely in your browser using JavaScript and Web APIs — your input is never uploaded, transmitted, or stored on any server.