Developer · runs in your browser
Base64 Decoder
Decode Base64 back to UTF-8 text or a binary file.
- Supported formats
- Base64
- Max file size
- Max 10 MB
- Speed
- Instant
- Free
- Free, no sign-up
Input type
Decode Base64 back to its original form
Works with text or whole files, fully offline.
- URL-safe
- File support
- Instant
Private by design. This tool runs entirely inside your browser — your files are never uploaded, stored or seen by anyone, including us.