URL Decoder
Decode percent-encoded URLs and query strings instantly, live as you type.
Type in either field — the other updates live, both directions. Uses encodeURIComponent, safe for query-string values. Runs entirely in your browser — safe for URLs carrying API keys, access tokens, or other secrets.
Need the opposite? Use URL Encoder
What is URL Decoder?
Paste a percent-encoded URL or query string (like %20 for a space) and see the decoded, human-readable version instantly, both directions at once — edit either field and the other updates live.
FAQ
A malformed percent sequence (like a stray % not followed by two hex digits) will fail to decode — the tool tells you when this happens rather than guessing.
Standard <code>decodeURIComponent</code>/<code>encodeURIComponent</code>, the same encoding used for URL query parameters.