Comparison
Base64 Encoder / Decoder vs URL Encoder / Decoder
Base64 transforms binary/text payloads, while URL encoding makes reserved URL characters safe.
Quick summary
When to use Base64 Encoder / Decoder
Use Base64 for transport-safe payload encoding in tokens, files, and API bodies.
When to use URL Encoder / Decoder
Use URL encoding for query parameters and URL path fragments that include special characters.