BMP files are huge and rejected by most websites. Converting to PNG fixes that: pixel-perfect — no quality loss.
Drop one BMP or a hundred — they’re converted inside your browser, so even private photos are never uploaded anywhere.
BMP vs PNG
| BMP | PNG | |
|---|---|---|
| Compression | Uncompressed | Lossless |
| Transparency | No | Yes |
| Animation | No | No |
| File size | Huge — no compression at all | Large for photos, small for graphics |
| Compatibility | Windows apps; rarely accepted online | Everywhere |
| Best for | Old Windows software | Logos, screenshots, graphics and anything with transparency |
Good to know before converting BMP to PNG
- PNG supports transparency, but converting won’t remove a background by itself — use Remove background for that.
- Hidden data like GPS location and camera details is left out of the converted file.
What is BMP?
BMP is an old Windows format that stores every pixel with no compression at all. Files are enormous and almost no website accepts them, so converting is nearly always a good idea.
What is PNG?
PNG keeps every pixel exactly as it is and supports transparent backgrounds. That makes it perfect for logos, screenshots and cut-outs — but photos saved as PNG are often 5–10× bigger than the same photo as JPG.
How to convert BMP to PNG
- Drop your BMP files (or paste with Ctrl+V).
- PNG is already selected — adjust quality if you like.
- Download one by one or all as a ZIP.
Frequently asked questions
Does converting BMP to PNG reduce quality?
No — PNG is lossless, so the result keeps every pixel of your BMP.
Can I convert many BMP files at once?
Yes — drop as many as you like and download them all as one ZIP.
Are my images uploaded to a server?
No. Everything happens inside your browser on your own device. Your images are never uploaded, stored or seen by anyone — check your browser's Network tab, or turn on airplane mode after the page loads and see that it still works.
Is it really free?
Yes. No sign-up, no watermark, no daily limits and no paid “HD” downloads.
Do downloads still contain my location?
No. Every file you download is saved without hidden metadata like GPS location, camera serial number or owner name.