Base64 Encoder / Decoder
Encode text to Base64 or decode Base64 back to text — fast, secure, fully client-side.
Input
Output
Result will appear here
Type or paste text, then click Encode or Decode
Try:
About this tool
Encode
Convert any text or file to a Base64-encoded string for safe transmission.
Decode
Decode a Base64 string back to its original text or binary content.
File Upload
Upload any file (image, PDF, etc.) to instantly get its Base64 data URL.
100% Private
Everything runs in your browser — no data is sent to any server.