URL Encoder & Decoder — Parse URLs & Query Strings
Our URL Encoder Decoder allows you to safely encode and decode URLs and their components. The tool supports both component mode (encodeURIComponent) and URI mode (encodeURI) and includes an integrated URL parser for analyzing protocol, host, path, and query parameters. Perfect for web developers working with URL parameters.
RFC 3986 Client-Side Only
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Features
- URL Encoding: Encode URLs and query parameters
- URL Decoding: Decode percent-encoded URLs
- Component Encoding: Encode individual URL components
- Bulk Processing: Encode/decode multiple lines at once
- URL Parsing: Extract protocol, host, path, and query strings
- Live Mode: Real-time encoding/decoding as you type
URL Encoding vs Component Encoding
encodeURI() encodes the entire URL, preserving special characters like :, /, ?, and &.
encodeURIComponent() encodes all special characters, suitable for query parameters.
Common Use Cases
URL Encoding
- Query parameter values
- Form data submission
- API request parameters
- Shareable URLs with special characters
URL Decoding
- Read encoded URLs
- Debug API responses
- Parse query strings
- Extract URL components
Useful Resources
Wikipedia: URL Encoding Beginner-friendly introduction to URL encoding concepts
RFC 3986: Uniform Resource Identifier (URI) Syntax Official specification for URI syntax and encoding
MDN encodeURIComponent() JavaScript function for encoding URL components
MDN decodeURIComponent() JavaScript function for decoding URL components
RFC 1738: Uniform Resource Locators (URL) Original specification for URL syntax and encoding rules