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URL Encoder / Decoder
Escape or unescape special characters for URLs.
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About URL Encoder / Decoder
Percent-encode a string for safe URL transport, or decode it back.
📐 Methodology & Reference Accuracy:
Calculations, formulas, and conversions execute locally in your web browser. Output models are benchmarked against official reference standards and updated for 2026.
🔒 This tool runs entirely in your browser. Nothing is uploaded or stored.
Background reading: Url Encoder on Wikipedia. More: all converters.
Frequently Asked Questions about URL Encoder / Decoder
How do I use the URL Encoder / Decoder?
Open the URL Encoder / Decoder and use the controls in the workspace below: escape or unescape special characters for urls. Results appear instantly in your browser, with nothing to install, sign up for, or pay for.
Is the URL Encoder / Decoder free?
Yes. The URL Encoder / Decoder is completely free, like every tool in the PrimeFreeTools library. There are no accounts, subscriptions, or usage limits.
Does the URL Encoder / Decoder store or share my data?
No. The URL Encoder / Decoder runs with JavaScript in your browser, so what you enter never leaves your device and nothing is stored on a server.
What can I use the URL Encoder / Decoder for?
Percent-encode a string for safe URL transport, or decode it back. You will find it grouped under Converters together with 40 other free tools on the PrimeFreeTools homepage.
Related Articles & Guides
Sep 18, 2026
URL Encoder: Percent-Encoding for Safe Links, Explained
Escape or unescape special characters for URLs.
Read post