BMP files are a leftover from the early days of Windows. They are uncompressed, so a single screenshot or scan can fill several megabytes. This BMP to JPG converter makes them small enough to email and upload, right in your browser.
Convert BMP to JPG
Add your BMP files, check the settings and download them as JPG. Batch conversion, no sign-up and no watermark.
Why BMP files are so large
A BMP stores the color of every pixel with no compression. A 1920 by 1080 image at 24 bit color is around six megabytes. JPG compresses the same picture to a fraction of that. Photos shrink the most, while flat graphics shrink less.
Convert BMP to JPG
- Add BMP files with drag and drop or “Choose files”.
- Keep JPG selected under “Convert to”.
- Set “Quality” to 85 to 90 for good detail, or lower for a smaller file. Use “Max width (optional)” if needed.
- Download the JPG files or all of them through “Download all (ZIP)”.
Where you still meet BMP files
- Old Windows Paint screenshots and wallpapers.
- Output from some scanners, cameras and industrial software.
- Images in legacy business applications and embedded displays.
- Files from old school or work projects on archived disks.
| Feature | BMP | JPG |
|---|---|---|
| File size | Very large | Much smaller |
| Quality | Uncompressed | Lossy |
| Transparency | Limited | Not supported |
| Animation | Not supported | Not supported |
| Compatibility | Windows, legacy tools | Almost everything |
| Best for | Raw pixel data | Photos and sharing |
Choose JPG or PNG?
For photos, JPG is the better choice. For screenshots with text or sharp lines, BMP to PNG stays lossless and is still much smaller than BMP.
Troubleshooting
Text looks fuzzy
Raise “Quality” or convert to PNG instead.
The file will not load
Some rare BMP variants are not supported. Re-save the file as a standard BMP in an image editor.
The JPG is still large
Reduce “Max width (optional)” or lower quality.
Private
Files are converted in your browser and not uploaded. No account and no watermark.
Why are BMP files so big?
They store every pixel without compression.
Will BMP to JPG reduce quality?
A little, because JPG is lossy. A high quality value keeps it hard to notice.
Is PNG better than JPG for BMP?
PNG keeps text and graphics sharp. JPG is smaller for photos.
Can I convert many BMP files at once?
Yes. Add a batch and download a ZIP.
Is it free?
Yes, with no sign-up and no watermark.
Related converters
See BMP to PNG, PNG to JPG, TIFF to JPG and the main image converter.