Base64 encoder & decoder.
Encode Unicode text into Base64 for transport, or decode a Base64 string back to readable UTF-8.
Free & unlimitedNo sign-up requiredRuns in your browser
Encodes UTF-8 text to Base64 or decodes Base64 back to UTF-8. Base64 is not encryption and does not protect secrets.
How to use this tool
- Paste text to encode, or a Base64 value to decode.
- Choose Encode or Decode.
- Copy the result, or correct any invalid Base64 message.
Good to know
Base64 is an encoding format, not a security measure. Do not use it to protect sensitive information.
This utility processes its content locally in your browser. No usage counter is required while public tools are free and unlimited. As with any online tool, avoid entering sensitive information on devices you do not trust.