Base64 Encoder

260606 · Encode or decode Base64 instantly. Text or file. No upload, no server.

What it does

Encode any text or file to Base64, or decode Base64 back to readable text. Handles both directions instantly.

How to use

  1. Paste text or drop a file into the input
  2. Click Encode or Decode
  3. Copy the result

Notes

  • File encoding works entirely in your browser — nothing is uploaded
  • Supports URL-safe Base64 variant
  • Works offline