Free Base64 Encoder/Decoder Tool

Convert text and files to and from Base64 format instantly. Our secure tool processes everything locally in your browser - no data is sent to servers.

Instant Conversion 100% Secure File Support No Size Limits

Input Text

Result

How to Use Our Free Base64 Tool

  1. Choose between Text or File conversion mode
  2. For text: Enter or paste your content and click Encode/Decode
  3. For files: Upload your file using drag & drop or file selector
  4. Click the appropriate conversion button
  5. Copy the result or download the converted file

Key Features of Our Base64 Tool

Secure Processing

All conversions happen locally in your browser. Your data never leaves your device.

File Support

Convert any file type to Base64 with our drag & drop interface.

Instant Conversion

Get results immediately with our high-performance encoding/decoding engine.

Easy Export

Copy results to clipboard or download converted files with one click.

Frequently Asked Questions

What is Base64 encoding?
Base64 is a binary-to-text encoding scheme that represents binary data in ASCII string format. It's commonly used for sending binary data through email, embedding images in HTML/CSS, and other scenarios where binary data needs to be stored or transferred in text format.
Is this Base64 tool free to use?
Yes, our Base64 encoder/decoder is completely free to use with no limitations. There's no registration required, and you can encode/decode as much data as you need.
Is my data secure when using this tool?
Absolutely! All encoding and decoding is performed locally in your browser. Your files and text never leave your device or get uploaded to any server.