Convert BMP to PNG — Lossless, Much Smaller
Turn uncompressed BMP bitmaps into lossless PNG files that are far smaller yet keep every pixel.
Drop your image to convert
or click to browse — paste (Ctrl+V) works too
How Our Privacy Engine Works
When you drop an image onto VisualConvert, our code runs entirely inside your device's web browser using modern web standards (Canvas API & WebAssembly). Unlike traditional converters that upload your photos to remote servers, process them there, and send them back, VisualConvert processes everything locally in your computer's memory. You can verify this anytime: open your browser's Developer Tools (F12), switch to the Network tab, and drop a file — you will see zero upload requests!
About converting BMP to PNG
PNG uses lossless compression, so converting BMP to PNG keeps your image pixel-perfect while shrinking the file substantially compared to the raw bitmap. It is the best choice when you can't afford any quality loss.
VisualConvert re-encodes your bitmaps to PNG entirely in the browser. Transparency, if any, is preserved, and nothing is ever uploaded — ideal for archiving scans and graphics.
How to convert BMP to PNG
- 1
Drop your BMP files
Add one or many BMP bitmaps.
- 2
PNG is ready
Output is preset to lossless PNG.
- 3
Download PNG images
Save each file or export the batch as a ZIP.
Why convert BMP to PNG with VisualConvert
- Lossless — every pixel preserved
- Much smaller than the raw BMP
- Supports transparency
- Runs privately in your browser
BMP to PNG — Frequently Asked Questions
Is BMP to PNG lossless?
Yes — PNG uses lossless compression, so every pixel of your bitmap is preserved exactly. Nothing is discarded; the image just gets much smaller because BMP stores raw, uncompressed data.
How much smaller is PNG than BMP?
Typically 50–90% smaller. BMP stores every pixel uncompressed, while PNG compresses that same data losslessly — so you keep identical quality at a fraction of the file size.
Can I convert BMP to PNG without software?
Yes, entirely in your browser — no download, no install, no sign-up. It works on Windows, Mac, iPhone and Android because the conversion runs on your own device.
When should I pick PNG over JPG for a bitmap?
Choose PNG when you need lossless quality, sharp edges (like text or line art), or transparency. Choose JPG only when you want the smallest possible file for a photo and can accept slight compression.
Is the conversion private?
Completely. The bitmap is processed in your browser and never uploaded to any server.