Offline ConverterConvert BMP to PNG on Mac
Turn BMP Bitmap files into PNG Image right on your Mac — fully offline. No uploads, no watermark, no size limit. Drag in one file or a whole folder and convert in seconds, accelerated for Apple Silicon.
How to convert BMP to PNG on a Mac
Open Offline Converter for Mac and drag your BMP file (or many) into the window.
Choose PNG as the output format and adjust quality or size if you need to.
Click Convert — the PNG file is saved straight to your Mac. Done, offline.
Why convert BMP to PNG locally
Your files stay private
Your BMP files never get uploaded. Everything is processed on-device, so sensitive photos and documents stay yours.
No watermark, no limits
Convert as many BMP files to PNG as you want — no watermark, no size cap, no daily quota.
Fast on Apple Silicon
Conversion is hardware-accelerated and runs at the speed of your SSD, even for large batches.
About BMP and PNG
BMP Bitmap. BMP Bitmap is a common image format. PNG Image. PNG Image is a widely supported image format.
BMP to PNG — FAQ
Is converting BMP to PNG free?
The 3-day trial converts BMP Bitmap to PNG Image with no watermark, no size limit and nothing uploaded. After that the app is $29.99 once — not a subscription.
Do my BMP files get uploaded?
No. The conversion happens entirely on your Mac. Your BMP files never leave your device — it even works offline.
Can I convert many BMP files at once?
Yes. Drop a whole folder of BMP files and convert them all to PNG in a single batch.
Features
Convert BMP to PNG on Mac
Free 3-day trial, then $29.99 once · macOS 11+ · Nothing leaves your device