About This Tool
Documentation
What does this tool do?
An RFC 3986 compliant URL encoding and decoding tool. Transcodes reserved characters, query strings, and non-ASCII unicode characters with options for component encoding (`encodeURIComponent`) vs full URL structure preservation (`encodeURI`), and standard `%20` vs `+` space formatting.
When should you use it?
Use this tool when constructing URL query parameters for REST APIs, debugging broken redirect URLs, parsing webhook callback URLs, or preventing URL injection attacks.
Key Capabilities & Features
Highlights
RFC 3986 compliant percent-encoding and decoding for URLs and query parameters
encodeURI vs encodeURIComponent mode toggles for full URLs vs query strings
Automatic URL query parameter breakdown into interactive key-value table
Safe handling of UTF-8 special characters, spaces (%20 vs +), and international symbols
One-click URL reconstruction and copyable decoded links