DevConvertor
Encoding & Decoding Tools

URL Decoder

Decode a percent-encoded URL back to readable text. A malformed %XX sequence is reported as an error rather than silently corrupting the output.

Related tools

URL Encoder

Percent-encode text for a URL or query parameter.

Base64 Decoder

Decode Base64 back to text, with invalid-input detection.

Features

  • Component and Full URI decoding modes
  • Reports a malformed %XX sequence as an error instead of corrupting the output
  • Copy the decoded result

How to use

  1. Paste the percent-encoded string.
  2. Pick the matching mode (Component for a query value, Full URI for a whole URL).
  3. Copy the decoded text.

Example

Example

a%20b%26c%3Dd → a b&c=d