URL Encoder/Decoder
Encodes all special characters. Best for query parameters and form values.
About URL Encoder/Decoder
URL encoding, also known as percent-encoding, is a mechanism for converting characters into a format that can be safely included in URLs. Since URLs can only contain a limited set of ASCII characters, special characters like spaces, ampersands, and non-ASCII characters must be encoded as percent-sign followed by their hexadecimal value.
This free online URL encoder and decoder supports two encoding modes. The encodeURIComponent mode encodes all special characters, making it ideal for encoding query parameter values, form data, and any text that needs to be safely embedded in a URL. The encodeURI mode preserves characters that have special meaning in URLs (like colons, slashes, and question marks), making it suitable for encoding complete URLs while maintaining their structure.
Understanding when to use each encoding mode is crucial for web development. Use encodeURIComponent when encoding individual query parameters or values that might contain reserved URL characters. For example, encoding a search query that contains an ampersand or equals sign. Use encodeURI when you have a complete URL that might contain non-ASCII characters but needs to maintain its structural integrity.
All encoding and decoding operations are performed entirely in your browser using standard JavaScript functions. Your data never leaves your device, ensuring complete privacy and security. The tool handles UTF-8 characters properly, so you can encode and decode text in any language without issues.