What does URL Encode / Decode actually do?

The URL encoder applies or reverses percent-encoding so a string can sit in a query or path. Encoding a full URL that is already encoded will double-encode. Spaces become %20 or +, depending on the mode the control uses. This is not encryption.

Is URL encoding the same as encryption?

No — percent-encoding makes text URL-safe. It does not hide secrets.

Does encoding upload my URL?

No. Encoding and decoding stay in your browser.

URL Encode / Decode

Percent-encode or decode URLs and query components. Free online — runs locally, no upload.

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Output

Search tools

URL Encode / Decode