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GeekFormat

URL Encode Decode

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Free online URL encoding and decoding supporting encodeURIComponent, encodeURI and more. Perfect for link parameters, callback URLs, signature strings and API debugging.

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Use Cases

  • Encode link parameters with Unicode or special characters for API requests
  • Decode callback URLs or signature strings to troubleshoot parsing issues
  • Construct safe URL query strings to prevent redirect failures
  • Compare encoding differences between encodeURIComponent and encodeURI

Features

  • Easy parameter escaping: handles Unicode, spaces and special characters
  • Covers common dev rules: both encodeURIComponent and encodeURI supported
  • API and redirect debugging: pinpoint parameter parsing and signature issues
  • One-click copy: paste results directly into URLs and requests

How to Use

  1. 1.Select encode or decode direction
  2. 2.Enter the URL or parameter string to process
  3. 3.The tool automatically encodes or decodes and displays the result
  4. 4.Copy the result for URL construction, API requests or debugging

FAQ

What is URL encoding and decoding used for?

Common use cases include query parameters, callback URLs, signature strings, Unicode links, space escaping and special character handling.

What is the difference between encodeURIComponent and encodeURI?

encodeURI is meant for full URLs and preserves protocol and path separators. encodeURIComponent is designed for individual parameter values and encodes more special characters.

Why does the same text encode differently across systems?

This usually depends on the encoding rules, whether only parameter values are processed, and RFC compliance. This tool lets you visually compare results.

Is this useful for API parameter and redirect debugging?

Absolutely. Encoding errors frequently cause redirect failures, signature mismatches and parameter parsing exceptions.