Base64 Encoder / Decoder

Convert binary files to Base64 strings and vice-versa. Everything happens locally in your browser — your files never leave your device.

How to Use Base64 Encoder / Decoder

  1. 1Select or drag-and-drop your file into the tool area above.
  2. 2Adjust any desired settings or options for your task.
  3. 3Click the processing button to run the action locally.
  4. 4Download your processed file instantly to your device.

Why Use FileFryer for Base64 Encoder / Decoder?

100% Private & Local

All conversions and operations take place directly on your browser using WebAssembly and Javascript.

Blazing Fast Speed

No network upload or download wait times. Processing begins instantly on your local hardware.

No Registration Required

Use all tools immediately without creating an account or providing personal details.

Frequently Asked Questions

Is Base64 Encoder / Decoder free to use?

Yes! Base64 Encoder / Decoder on FileFryer is 100% free with no hidden fees, subscriptions, or file limits.

Are my files uploaded to any server when using Base64 Encoder / Decoder?

No. FileFryer processes all files locally in your browser using modern web technologies. Your files never leave your device.

Which browsers support Base64 Encoder / Decoder?

Base64 Encoder / Decoder works on all modern web browsers including Google Chrome, Mozilla Firefox, Apple Safari, Microsoft Edge, and mobile browsers.