URL Encoder / Decoder

Encode or decode URL components and query strings. Handles special characters safely. All processing runs in your browser.

Input

Output

Example

hello world → hello%20world. Spaces become %20, special characters are percent-encoded.

No. Encoding and decoding run entirely in your browser.

For query parameters, fragment identifiers, or any string that must be safe in a URL.

Encode text to Base64 or decode Base64 to text. URL-safe mode and copy output.

Encode or decode HTML entities. Auto-detect and copy result.

Convert between binary, octal, decimal, and hexadecimal.