How to use Base64 Encoder / Decoder
- Open Base64 Encoder / Decoder and paste your input.
- Choose format, encode, or validate options as needed.
- Copy or download the output. Nothing is required to leave this tab for local transforms.
Developer Tools
Base64 Encoder / Decoder
Encode text to Base64 or decode Base64 to text. Runs locally in your browser.
Ready — processing stays in your browser.
About Base64 Encoder / Decoder
Encode text to Base64 or decode Base64 to text. Paste or type input, then copy the result from this browser tab.
What to expect
- Text transforms and checks run in the browser
- Useful for debugging payloads, hashes, and encodings
- No account required for everyday use