URL Encoder / Decoder
Encode special characters for safe URL transmission or decode percent-encoded URLs back to readable text.
URL Encoder / Decoder
About this tool
The URL Encoder / Decoder converts special characters to percent-encoded format for safe URL transmission.
It uses the standard encodeURIComponent / decodeURIComponent functions.
All processing happens entirely in your browser — no data is ever sent to our servers.
When to use URL encoding
- 1Encoding query parameter values (spaces → %20, & → %26)
- 2Constructing API request URLs programmatically
- 3Safely embedding URLs in HTML attributes
- 4Decoding raw URLs from server logs or API responses
Frequently Asked Questions
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