About URL Encoder/Decoder
URL Encoder/Decoder converts characters into percent-encoded UTF-8 sequences for safe HTTP URL parameters and decodes URL strings back to plain text.
Key Capabilities & Features
Supports encodeURIComponent and encodeURI standards
Bi-directional encoding and decoding
Handles special symbols, queries, and multi-byte unicode characters
How to Use URL Encoder/Decoder
- 01
Choose Encode or Decode
Toggle between encoding and decoding.
- 02
Enter text
Paste text or query string into the input editor.
- 03
Copy URL-safe output
Copy the result with one click.
100% In-Browser Privacy Guarantee
All operations in URL Encoder/Decoder run locally in your web browser using HTML5, Web Cryptography, and WebAssembly APIs. Your text, files, credentials, and code never leave your computer.
Frequently Asked Questions
Why is URL encoding needed?
URL encoding replaces unsafe ASCII characters with a % followed by two hexadecimal digits so URLs can be safely transmitted over the Internet.