URL Encode / Decode

Percent-encode or decode URL strings and query parameters. Supports full URL encoding and component encoding.

1. Paste your text or URL into the input area.
2. Click "Encode Component" to encode query parameter values (encodeURIComponent).
3. Click "Encode Full URL" to encode a complete URL while preserving its structure (encodeURI).
4. Click "Decode" to reverse percent-encoding back to the original string.
5. Use "Swap to input" to move the output back for further processing.

URL encoding is essential when working with web APIs, building query strings, or handling user-submitted data in URLs. This tool makes it easy to encode and decode URL components without writing code, with a quick reference table for the most common encoded characters.