URL Encoder / Decoder

Encode URLs for safe transmission or decode URL-encoded strings. Free, fast, and secure — all processing happens in your browser.

What is URL Encoding?

URL encoding (also called percent encoding) converts special characters in URLs into a format that can be safely transmitted over the internet. Certain characters have special meanings in URLs and must be encoded to avoid conflicts.

For example, spaces become %20, and ampersands become %26. This ensures that URLs work correctly across all browsers and systems.

Common Use Cases

🔗 Query Parameters

Safely pass data through URL query strings with special characters properly encoded.

📝 Form Submissions

HTML forms use URL encoding when submitting data via GET or POST requests.

🌐 API Requests

Encode parameters when making HTTP requests to APIs to ensure data integrity.

🔍 Search Queries

Search engines and websites encode search terms to handle special characters.

Characters That Need Encoding

The following characters must be encoded in URLs:

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

Why Use Our URL Encoder?

🚀 Instant

Encode or decode URLs instantly in your browser with no delays.

🔒 Private

Your data never leaves your device. All processing happens locally.

đŸ’¯ Free

Completely free with no limits, registrations, or hidden costs.

Pro Tip

When building APIs or web applications, always encode user input before including it in URLs. This prevents security vulnerabilities and ensures your URLs work correctly across all platforms.