Formats, file types, and size limits for B&W
Knowing what Black & White accepts makes your workflow smoother.
Supported formats
The tool works with JPEG, PNG, WEBP, AVIF, GIF.
| Format | MIME type | Status |
|---|---|---|
| JPEG | `image/jpeg` | Supported |
| PNG | `image/png` | Supported |
| WEBP | `image/webp` | Supported |
| AVIF | `image/avif` | Supported |
| GIF | `image/gif` | Supported |
Size limits
Black & White processes up to 50 MB. Because everything runs in your browser, the practical limit is your device's memory — not a crowded server.
Getting the best output
- Use the newest formats you can for the best quality-to-size balance
- When quality matters, choose lossless options; when sharing, choose compact ones
- Keep a backup of your original input before processing
Verdict
Black & White handles JPEG, PNG, WEBP, AVIF, GIF and up to 50 MB with no file ever leaving your device.