URL Encoder and Decoder — Browser Developer Tool

Developer

URL Encoder and Decoder is a browser-based developer tool that percent-encodes or decodes url text.

URL Encoder and Decoder

Runs in this browserInput is processed only in this browser. It is not sent to or stored on a server.

URL decoding can fail on malformed percent-encoding and does not verify the original meaning.

URL or text

Result

Next actions

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What is it

URL Encoder and Decoder lets you paste code or strings and inspect the result immediately. It is useful for debugging, validation, and encoding tasks without server storage.

encoded = encodeURIComponent(input)

How to use

1Paste the input.
2Choose a mode if available.
3Read and copy the result.

Reference

URL Encoder and Decoder — Browser Developer Tool Reference
Input	Result
sample	percent-encodes or decodes URL text

Sources & standards

MDN Web Docs: Client-side web APIs - MDN Web Docs
ECMAScript Language Specification - Ecma International

FAQ

Is URL Encoder and Decoder input sent to a server?

No. This tool runs in your browser and does not send input to a server.

Can I use URL Encoder and Decoder with sensitive values?

It runs in the browser, but avoid pasting tokens or passwords on shared devices or during screen sharing.