NNWS Tools

Base64 Encode/Decode

Encode and decode text or files.

Runs on your device
Plain text
Base64
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Developers tools

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About Base64 Encode/Decode

Base64 Encode/Decode is a free, private developers tool that lets you encode and decode text or files. Like every tool on NWS Tools, it runs entirely in your browser — nothing is uploaded, there are no accounts, and there's no tracking. Just open it and go.

Frequently asked questions

Is Base64 Encode/Decode free to use?
Yes. Base64 Encode/Decode is completely free, with no account, sign-up or limits.
Are my files or data uploaded anywhere?
No. Base64 Encode/Decode runs entirely in your browser. Your files, text and numbers are processed on your own device and are never uploaded to a server.
Does Base64 Encode/Decode work offline?
Once the page has loaded, most tools keep working with no internet connection. NWS Tools is a Progressive Web App you can even install.
Do I need to install any software?
No installation is required — Base64 Encode/Decode works instantly in any modern browser on desktop or mobile.