URL Encoder / Decoder
Percent-encode text for safe use in URLs, or decode an encoded URL back to readable text — instantly in your browser. Free.
URL encode / decode
Percent-encode text for URLs, or decode an encoded string back.
Features
Common use cases
- 1Encoding query-string values
- 2Building safe URLs
- 3Decoding a captured URL
- 4Debugging API parameters
- 5Encoding a redirect target
- 6Fixing broken links
Related tools
About URL encoding
URL encoding (percent-encoding) replaces characters that aren't safe in a URL — spaces, &, ?, non-ASCII — with % sequences, so the URL is transmitted correctly.
Use component mode (encodeURIComponent) for a single query value, which encodes & and = too, and full URL mode (encodeURI) when encoding a whole URL that must keep those separators. Everything runs in your browser.
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Got Questions? We Have Answers.
What does URL encoding do?
It replaces characters that are unsafe in a URL (spaces, &, ?, non-ASCII) with percent-encoded equivalents like %20, so the URL stays valid.
Which encoding does it use?
Standard percent-encoding (encodeURIComponent), which is UTF-8 safe and correct for query-string values and path segments.
Is my data sent anywhere?
No. Encoding and decoding happen entirely in your browser.
When do I need this?
When building query strings, debugging links, passing values in URLs, or reading an encoded URL from logs.