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URL Encoder/Decoder
Encode and decode URL components safely.
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How to use url encoder/decoder
- Paste a single URL component into Your text.
- Select Encode or Decode in Operation.
- Choose Generate result and inspect one encoding layer at a time.
Work through an example
Use component encoding for reserved characters and recognize malformed escapes, plus signs, and double encoding.
Encode and decode one URL component without changing its meaning →Formats, privacy, and practical limits
This tool processes the values you enter in your browser. No account or upload to ERITHRA is required.
Files and generated results exist only for this tab session. Download any result you want to keep before leaving the page. Browsers may use temporary memory or disk cache while processing.
Frequently asked questions
Does Decode turn a plus sign into a space?
No. It uses decodeURIComponent, so a plain + remains + rather than being treated as form-style query spacing.
Should I encode a complete destination URL here?
This tool uses component encoding, which also escapes structural characters such as colons and slashes. Use it for a component rather than assembling a complete URL.