Base64 Encode Decode rfc 4648
Encode text to Base64 or decode Base64 strings back to UTF-8 text. URL-safe Base64 is supported.
What this tool does
Base64 represents binary data as ASCII text. It is commonly used for API payloads, tokens, and URL-safe data handling. This tool runs in the browser.
When to use it
Base64 Encode Decode is useful during Encoding work when you need to quickly convert, inspect, format, or generate small pieces of developer data. It is intended for API responses, configuration snippets, logs, test inputs, and browser-side checks.
Input and output example
Input example: Hello, devtools
Output example: SGVsbG8sIGRldnRvb2xz
Notes and limitations
Use the result as a development aid and verify it before applying it to production systems. Check encoding, timezone, security, and format requirements when the output will be used in an application. Related concept: rfc 4648.