Encoding
Base64 Encoder
Encode text to Base64 or decode it locally. Everything happens on this device.
Tip: press Ctrl/⌘ + Enter
Your input stays private
This tool runs entirely in your browser. DevCalc does not send or store the content you enter.
How to use Base64 Encoder
- Choose Encode or Decode.
- Enter plain text or a Base64 value.
- Run the tool and copy the result.
Example and important notes
Use Base64 to represent text or binary bytes in text-based formats. It is encoding, not encryption.
- Anyone can decode Base64. Do not use it to protect secrets.
- Text is encoded as UTF-8 before conversion.
Frequently asked questions
Is Base64 encryption?
No. It provides no confidentiality or authentication.
Why does decoding fail?
The input may be truncated, use a different alphabet, or contain invalid padding.