DEVELOPER TOOLS
URL Encoder / Decoder
Make text URL-safe, or decode it back into readable text.
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How to use URL Encoder / Decoder
- 1
Paste a URL component or percent-encoded string.
- 2
Choose Encode or Decode.
- 3
Copy the result into your project.
This tool encodes individual URL components, including reserved characters. It does not preserve the structure of a whole URL. A plus sign is treated literally, not as a space.
When to use this tool
Prepare a value for a URL parameter or read a percent-encoded string. The encoder uses component encoding, so punctuation that separates parts of a complete URL is encoded too. Paste a parameter value rather than a whole URL when you want to preserve the URL’s protocol, path, and query structure.
PRACTICAL EXAMPLE
Encoding a search phrase
- Start with
- red & blue
- What to expect
- Encoding produces red%20%26%20blue. This can be used as one query parameter value.
Get a better result
- Do not encode an already encoded value twice unless the receiving system specifically expects that.
- Decoding requires complete percent escapes. A trailing % or invalid UTF-8 sequence produces an error.
Common questions
Why does a plus sign stay a plus when decoding?
This tool uses decodeURIComponent semantics. It treats + literally; it does not implement form decoding where + represents a space.
Does URL encoding make a link safe?
No. Encoding represents characters; it does not verify a destination or remove malicious content.