Base64 Encoder & Decoder
Encode text to Base64, decode Base64 to text, or convert files to Base64 — all in your browser. Supports Unicode, live preview as you type, no account needed.
Encode Base64 NowNo UploadFiles stay on your device
No SignupNo account required
Runs in BrowserWorks offline too
Free ForeverNo limits, no watermarks
What you get
- ✓Encode and decode text
- ✓Convert files to Base64
- ✓Full Unicode support
- ✓Live preview as you type
- ✓Swap input/output with one click
- ✓No signup or account needed
Frequently asked questions
Does this support Unicode?
Yes. The encoder handles Unicode characters correctly using UTF-8 encoding before Base64 conversion.
Free · No account · No upload · Works offline