Developer Tools
URL Encoder / Decoder
Encode any text to URL-safe percent-encoded format, or decode percent-encoded strings back to plain text, instantly in your browser. Handles full URLs, query parameters, and path components.
Encoding and decoding happen entirely in your browser
Features
- Percent-encodes all special characters
- Decodes %XX sequences back to text
- Handles Unicode characters (UTF-8 encoding)
- Encodes full URLs or just query string values
- Copy result with one click
How to use it
- Select Encode or Decode mode.
- Paste your text or URL.
- Encoded/decoded result appears instantly.
- Copy the output.
Use cases
- Encoding query parameter values for URLs
- Decoding percent-encoded URLs for readability
- Preparing URL-safe strings for API requests
Limitations
- The tool uses component-level URL encoding and decoding.
- Very large input can be slower on older devices.
- This utility is designed for common snippets and local inspection, not as a full security or language-specific validator.
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Use toolFrequently asked
What is the difference between encodeURI and encodeURIComponent?
encodeURIComponent encodes everything except letters, digits, and - _ . ! ~ * ' ( ). Use it for individual query values. encodeURI preserves :, /, ?, #, &, = for full URLs.