~ $ devkit:base64
Base64 Encode / Decode
Encode and decode Base64 with full UTF-8 support — Chinese and emoji. Text mode requires valid UTF-8 bytes. Optionally use URL-safe alphabet.
Input
Output
How to use Base64
- Paste plain text to encode, or Base64 text to decode.
- Choose the URL-safe option when you need the - and _ alphabet, then copy the output.
Example
Text: Hello, world! Base64: SGVsbG8sIHdvcmxkIQ==
Details and limitations
This tool converts UTF-8 text. Binary content that is not valid UTF-8 is rejected during decoding. Base64 is an encoding, not encryption; it does not protect secrets.