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Friday, August 21

URI Component Decoder

Decode a single percent-encoded URI component back to its original value, treating the plus sign as a space by default as HTML form submissions do.

How to use the URI Component Decoder

  1. Paste the encoded component.
  2. Leave "Treat + as a space" on for values taken from form submissions or query strings.
  3. Click "Decode component".

Frequently asked questions

When should the plus-as-space option be off?

When the value came from a URL path segment rather than a query string. In a path, a plus is a literal plus character, so converting it to a space would corrupt the value.

Can I use this on a whole URL?

You can, and it will decode every escape it finds. Just remember that the result may no longer be a usable URL if it originally contained encoded structural characters – which is precisely why they were encoded.

Related URL and web encoding tools

  • Previous step: URI Component Encoder — Escape a single URI component – a query value, path segment or fragment – so reserved characters like ampersand, equals, question mark, slash and hash cannot break the surrounding URL.
  • Next step: Query String Parser — Split a URL query string into readable key and value pairs or JSON, decoding percent-escapes and plus signs, and flagging repeated parameters whose handling differs between servers.
  • URL Decoder — Decode percent-encoded URLs back to readable text, with an optional plus-as-space rule and a repeat mode that unwraps double-encoded values such as %253A.

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Michael Austin is the current owner of Justwebworld and manages the platform’s editorial direction, content strategy, and digital publishing operations. With a strong interest in online media and modern publishing, he focuses on creating informative, engaging, and easy-to-understand content across multiple categories.Under his leadership, Justwebworld continues to grow as a trusted multi-niche digital publication covering technology, business, lifestyle, automotive, sports, travel, and trending internet topics for readers worldwide.

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