DEVELOPER & CODE TOOLS
URL Encode & Decode
Compare whole-URL and component encoding so reserved characters behave as intended. Runs locally in this browser · No upload
0 characters
ResultencodeURIComponent / decodeURIComponent
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How this app works
Component encoding escapes reserved characters such as / and ?. Whole-URL encoding preserves URL syntax separators. Decoding errors are reported rather than silently dropping malformed input.