Leo's Lab
DevOps Tool Client-Side Only

Base64 Encoder/Decoder

Encode and decode Base64 strings with full UTF-8 support. All processing happens locally in your browser.

Mode

Convert text or binary data to Base64 encoding.

Input

0 bytes

Drag & drop a file here, or click to select

Supports any file type for encoding

- or enter text below -

Output

0 bytes

Security Guarantee

  • All encoding/decoding is performed locally using JavaScript's btoa() and atob()
  • No data is sent to any server or stored anywhere
  • No network requests are made during processing
  • File data is read locally via the File API and never transmitted