Convert BMP to PNG online in seconds — free, with no sign-up. PNG is lossless and ideal for logos, icons, screenshots and graphics with sharp edges or transparency. Your files are encrypted and deleted automatically after 24 hours.
BMP
Bitmap — An uncompressed legacy Windows format that produces very large files.
PNG
Portable Network Graphics — A lossless raster format that keeps every pixel and supports full alpha transparency.
How to convert BMP to PNG
- 1Upload your BMP file
Click “Choose a file” or drag and drop your BMP file onto the page — no sign-up or email needed.
- 2Convert to PNG
PNG is already selected as the output. Open Options to fine-tune quality if you like, then click Convert.
- 3Download your PNG file
Your PNG file is ready in seconds — click Download to save it. Files are automatically deleted after 24 hours.
BMP vs PNG
| BMP | PNG | |
|---|---|---|
| Full name | Bitmap | Portable Network Graphics |
| Type | Raster image | Raster image |
| Compression | Lossless | Lossless |
| Best for | legacy compatibility; usually better converted to PNG or JPG | logos, icons, screenshots and graphics with sharp edges or transparency |
Frequently asked questions
Does converting BMP to PNG lose quality?
No. Both BMP and PNG are lossless, so every detail is preserved exactly — the conversion is visually and mathematically identical to the original.
What's the difference between BMP and PNG?
Bitmap (BMP) is lossless and best for legacy compatibility; usually better converted to PNG or JPG. Portable Network Graphics (PNG) is lossless and best for logos, icons, screenshots and graphics with sharp edges or transparency. Convert BMP to PNG when you need a raster image for logos.
Is the BMP to PNG converter free?
Yes — converting BMP to PNG is completely free. There's no watermark, no sign-up and no email required, and you can convert as many files as you like.
Are my BMP files private and secure?
Yes. Your uploads are encrypted in transit, processed privately, and automatically deleted within 24 hours. We never share, sell or look at your files.
Can I convert BMP to PNG on iPhone, Android, Mac or Windows?
Yes. The converter runs entirely in your browser, so it works on any device — iPhone, iPad, Android, Mac, Windows or Linux — with nothing to download or install.
How long does it take to convert BMP to PNG?
Most files convert in a few seconds. Larger files take a little longer, and your upload speed is usually the limiting factor. There's no queue and no waiting for an email.
What else can I convert BMP files to?
Besides PNG, you can convert BMP to AVIF, GIF, ICO, JPG, PDF, PPM and more — see the full list of BMP conversions below.
Other conversions
Last updated July 2026