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URL Encoder / Decoder
Percent-encode or decode URLs instantly. Supports encodeURIComponent (full encoding) and encodeURI (preserves /, ?, &, =).
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URL Encoder & Decoder
URL encoding (percent encoding) converts special characters into a format that can be safely transmitted in a URL. Characters like spaces, &, ?, =, and # are replaced with % followed by their hexadecimal ASCII code. This tool supports both full encoding (encodeURIComponent) and partial encoding (encodeURI).
Encode vs Decode
- Encode: converts special characters to percent-encoded format (%20, %3D, etc.)
- Decode: converts percent-encoded strings back to readable text
- encodeURIComponent: encodes everything including /, ?, &, =, # — use for query parameter values
- encodeURI: preserves URI structure characters — use for full URLs
Got Questions? We have you covered
URL encoding replaces characters that are not allowed in URLs with a % followed by their two-digit hexadecimal code. For example, a space becomes %20 and & becomes %26.
Use encodeURIComponent when encoding a query parameter value — it encodes all special characters including /, ?, &, =. Use encodeURI when encoding a full URL — it preserves the URI structure characters.
No. All encoding and decoding happens locally in your browser using JavaScript's built-in functions. Your data never leaves your device.
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