URL Encode

Fast and Secure URL Encoding in your Browser

Chars

Bits

Bytes

URL-Encoded Result

Enter your data

Error

Please enter some text to encode.

Understanding URL Encoding

Query String Safety

Percent-encoding ensures special characters like spaces, &, and = don't corrupt query string parameters.

API Requests

Safely embed dynamic values (search terms, tokens) into request paths and query strings.

Internationalization

Encode non-ASCII characters (accents, emoji, non-Latin scripts) into a URL-safe ASCII representation.

Preventing Breakage

Avoid malformed links caused by reserved characters like #, ?, and / appearing unescaped inside a value.

What Gets Encoded?

This tool uses JavaScript's encodeURIComponent, which escapes all characters except letters, digits, and - _ . ! ~ * ' ( ). Reserved URL characters like &, =, and ? are converted to their %XX percent-encoded form so they can be safely embedded inside a single query parameter.

Key Takeaways

Component-Level Encoding: Encodes an individual value for use inside a URL, not an entire URL structure.
UTF-8 Safe: Non-ASCII characters are correctly encoded using UTF-8 byte sequences.
Client-Side Only: All encoding happens locally in your browser — no data is ever sent to a server.

URL Encode - Percent-Encode Text Online