URL Encoder/Decoder

Encode and decode URLs and URL components

Input

Output

Understanding URL Encoding

encodeURI() vs encodeURIComponent()

  • encodeURI() - Encodes a complete URI, preserving special characters like :, /, ?, &, =
  • Example: https://example.com/search?q=hello world
  • encodeURIComponent() - Encodes all special characters, used for query parameters
  • Example: hello%20world

Common Use Cases

  • Encoding spaces and special characters in URLs
  • Creating safe query string parameters
  • Building shareable links with user data
  • Debugging encoded URLs from server responses
  • Preparing data for API requests

Quick Reference

Space → %20
! → %21
# → %23
$ → %24
& → %26
+ → %2B
= → %3D
? → %3F

How It Works

URL encoding converts special characters to percent-encoded format (%XX) for safe transmission in URLs.

Use Cases

1. API Development
Encode query parameters for HTTP requests.

Tips & Best Practices

• Encode spaces as %20 or + depending on context

Frequently Asked Questions

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