How to use the Base64 Encode/Decode
- Paste text or a Base64 string.
- Click Encode or Decode.
Base64 represents binary data as plain text. It is used in email attachments, data URLs, API tokens and basic authentication headers. It is an encoding, not encryption.
Frequently asked questions
Is my text sent anywhere?
No. Everything is processed in your browser; nothing you type is uploaded or stored.
Is Base64 secure?
No. Anyone can decode it. Do not use it to hide passwords.