URL Encoder Online
Encode or decode URLs and URI components. Free, fast, and runs 100% in your browser.
Special characters in URLs can break links and cause errors. This encoder converts spaces, ampersands, and other special characters to their percent-encoded equivalents — essential for building API query strings and handling internationalized URLs.
Back to Tools
URL Encoder / Decoder
Encode or decode URL components and full URLs
encodeURIComponent — Encodes special chars including :, /, ?, &, =, #
Common Encodings:
Space → %20
! → %21
# → %23
& → %26
= → %3D
? → %3F
Feature Overview
| Feature | Details |
|---|---|
| URL encode | ✓ |
| URL decode | ✓ |
| Unicode support | ✓ |
| Privacy | 100% client-side |
Frequently Asked Questions
When do I need URL encoding?
When passing data in URL query parameters, handling user input in URLs, or working with non-ASCII characters in paths.
What is percent encoding?
Characters are replaced with a % followed by their hexadecimal code. For example, a space becomes %20.