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URL Encoding vs Decoding

URL encoding makes parameter values safe for transport, while decoding turns them back into readable text.

Encoding and conversion4 min read
Mã hóa URLTrình phân tích query

What it is

URL encoding makes parameter values safe for transport, while decoding turns them back into readable text.

When to use it

  • - Building query parameter values that include spaces or symbols.
  • - Inspecting copied redirect URLs with encoded values.
  • - Checking whether a broken link is just improperly encoded input.

Common misunderstandings

  • - You usually encode one component, not the whole URL string blindly.
  • - A plus sign and %20 may behave differently depending on context.
  • - Decoding twice can corrupt already-normal text.

How to try it now

  1. Open the URL encoder.
  2. Paste the parameter value or encoded text.
  3. Run encode or decode.
  4. If needed, inspect the final query with the query parser.

Example

Input

name=Cuvel tools

Output

name%3DCuvel%20tools

Notes

  • - Encode parameter values before joining them into a larger URL.
  • - Use the query parser when you want structure, not just conversion.
  • - Be careful with repeated decoding in debugging workflows.

FAQ

Should I encode an entire URL?

Usually no. Encode only the part that needs safe transport, such as one parameter value.

When should I decode?

Decode when you need to read or inspect an encoded value.

What tool should I use after decoding a query string?

Use the query parser to inspect the parameter structure.