File to Base64 Converter

Select any file to convert it into a Base64 encoded string locally in your browser. No files are uploaded.

Input File

Drag & Drop File Here or
No file selected

Base64 Output

What is the File to Base64 Converter?

Select any file to convert it into a Base64 encoded string locally in your browser. No files are uploaded.

Our File to Base64 Converter is a free, browser-based utility designed to be fast, secure, and easy to use. Because it runs locally, your data never leaves your device.

How to Use the File to Base64 Converter

  1. Input: Paste or type your data into the relevant input field.
  2. Process: The tool will automatically process your data in real-time, or you can click the action button to trigger it.
  3. Output: Copy the formatted result from the output field. It's that simple!

Why use CoderSwiss File to Base64 Converter?

  • 100% Private: We don't use server-side processing. Your data stays on your machine.
  • Lightning Fast: No network latency means instant results.
  • Developer Friendly: Built by developers, for developers, with a clean UI and dark mode support.