Build URL query string from key-value pairs
Enter input to see results instantly
Include leading ? in the output
URL-encode the values
Base64 Encode
Encode text to Base64 format
Base64 Decode
Decode Base64 encoded text
Base64URL Encode
Encode text to URL-safe Base64 format (RFC 4648)
Base64URL Decode
Decode URL-safe Base64 encoded text (RFC 4648)