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ProgrammerKit

Base64 Encoder / Decoder (with File Support)

Encode or decode Base64 text and convert files to/from Base64.

Free · Runs in your browser · Last updated

About this tool

Encode any text or file to Base64 and decode back to text or downloadable files. Drag-and-drop, data-URI, fully offline.

Privacy

All processing for Base64 ↔ File happens locally inside your browser using JavaScript. Your input is never uploaded to a server, logged, or shared with third parties.

Frequently asked questions

Is the Base64 ↔ File free to use?

Yes. Base64 ↔ File is completely free for both personal and commercial projects. There are no usage limits, no sign-up, and no premium tier.

Is my data safe when I use Base64 ↔ File?

All processing happens locally in your browser using JavaScript. Your input is never uploaded to our servers, logged, or shared with any third party.

Does Base64 ↔ File work offline?

Once the page has loaded, the tool runs entirely client-side. You can disconnect from the internet and it will keep working in the same browser tab.

Which browsers are supported?

Base64 ↔ File works in all modern browsers, including the latest versions of Chrome, Firefox, Safari, Edge, Brave, and Opera, on desktop and mobile.

Do I need to install anything?

No. Base64 ↔ File runs in any modern web browser with no installation, browser extension, or account required.

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