URL Encode & Decode: Standard Percent-Encoding Tool Online

Encode query parameters and URI components to percent-encoded formats, or decode percent-encoded URLs back to plain text.

Plain Text Input
Encoded Output

How to Use URL Encode & Decode

  1. Type or paste your input into the editor above.
  2. Toggle between Encode and Decode mode depending on your input data.
  3. Inspect the live converted output instantaneously.
  4. Copy or download the transformed output with one click.

Practical Examples

Direct Transformation

Fast client-side URL processing.

Input:
Hello
Output:
Converted

Common Mistakes & Troubleshooting

  • Mixing characters with separators: Ensure binary sequences have multiples of 8 bits and hex characters are valid 0-9 and a-f.

Frequently Asked Questions

Is URL Encode & Decode secure?

All conversions happen 100% locally in your browser. Nothing is sent to our servers.