Base64 Encode Decode Tool
Base64 Encode Decode — Free Online Tool
Encodes and decodes text or binary data using Base64 encoding. It converts data into a printable ASCII format for safe transmission and storage.
How to use the Base64 Encode Decode
- Open the tool above — it runs entirely in your browser, so your input never leaves this page.
- Paste or type your input into the field, then press the relevant button (e.g. Encode / Decode, Generate, or Convert).
- Copy the result from the output area with the copy button orCtrl/Cmd + C.
- No signup, no upload, and no tracking — repeat as often as you need.
Frequently asked questions
Is the Base64 Encode Decode free to use?
Yes. The Base64 Encode Decode is completely free, with no signup, no ads inside the tool, and no hidden limits.
Does the Base64 Encode Decode upload my data?
No. The Base64 Encode Decode processes everything locally in your browser. Your input is never sent to a server, so it stays private even on shared devices.
Does the Base64 Encode Decode work offline?
After the page loads, the Base64 Encode Decode runs entirely in your browser, so it keeps working without a network connection.
Free & private — why use this Base64 Encode Decode
The Base64 Encode Decode runs 100% client-side in your browser. Your data is never uploaded to a server, no account is required, and the tool is completely free. It works offline once the page has loaded and is part of a growing collection of privacy-first developer utilities.