URL Decoder

Developer Tool Featured

Decode percent-encoded URLs and query parameters to human-readable format. Supports multiple decoding options, batch processing, and detailed analysis.

Decoding Options

Encoded URL Input

0 characters

Decoded Output

Enter an encoded URL or text to decode

Character Mapping

Character mapping will appear here

Common Encoded Sequences:
Encoded Character Encoded Character
%20Space %21!
%22" %23#
%24$ %25%
%26& %27'
%2B+ %2C,
%2F/ %3A:
%3B; %3D=
%3F? %40@

Common Issues

  • Malformed percent-encoding sequences
  • Invalid UTF-8 byte sequences
  • Mixed + and %20 for spaces
  • Nested/multiple encoding layers

Decoding Tips

  • Check for nested encoding with "Decode multiple times"
  • Use UTF-8 validation for international text
  • Convert + to spaces for form data
  • Use HTML output for safe display

Features

  • Multiple decoding passes
  • UTF-8 validation
  • Detailed character mapping
  • HTML entity conversion