📖 Read the full Base64 Encode & Decode guide — how it works, examples & FAQ →
How to use this tool
- Type or paste your text (or a Base64 string).
- Pick Encode or Decode.
- Copy the result.
Example
"Hello" → "SGVsbG8="
Why it's private
This tool runs entirely in your browser using JavaScript. Whatever you paste is processed on your own device — it is never uploaded to a server, logged, or stored. Built by Calabi, which also strips AI metadata and C2PA signals from images and video.