URL Encoder / Decoder
Encode or decode URL components and query strings safely.
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What is URL encoding?
URL encoding (percent-encoding) replaces unsafe characters in URLs with a % followed by two hexadecimal digits. Browsers and APIs use it for query parameters, paths, and form data.
This tool applies encodeURIComponent and decodeURIComponent so you can safely prepare or inspect encoded URL fragments.
How to Use This Tool
Paste plain text or an already-encoded URL fragment into the input.
Click Encode to percent-encode the text, or Decode to reverse it.
Copy the result for use in APIs, links, or debugging.
When to Use URL Encoding
- Build query strings with special characters
- Decode encoded redirect URLs from analytics
- Fix broken links with spaces or symbols
- Test API clients and webhook payloads
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What is the difference between encodeURI and encodeURIComponent?
encodeURIComponent encodes more characters and is meant for individual query values. This tool uses encodeURIComponent for safer encoding of arbitrary text.
Is this tool free?
Yes. This tool is completely free to use with no sign-up, no limits, and no hidden fees.
Does my data leave my browser?
No. All processing happens entirely in your browser using client-side JavaScript. Your data is never sent to a server or stored anywhere.
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