ConverterStack
Current theme: System

BMP to PNG

Convert BMP images to PNG in your browser. Everything happens on your device — no upload, no waiting, no limits.

From
BMP (.bmp)
To
PNG (.png)
Advanced options

Drop BMP files here, or use the button below

Converted on your device — your files are never uploaded.

About these formats

BMP — Windows Bitmap
Uncompressed Windows bitmap — large files, universally readable.
PNG — Portable Network Graphics
Lossless raster format with transparency — best for logos and screenshots.

Other BMP conversions

Private by design — no upload, no sign-up

This BMP to PNG converter runs locally, using your own browser. Your files are never uploaded to a server, so they stay on your device from start to finish.

Are my BMP files uploaded to a server?
No. The BMP to PNG conversion runs locally in your browser using your own device's CPU. Your files are never uploaded, never transmitted over the network and never stored on a server.
Is there a file size limit for BMP to PNG?
There is no imposed limit, because nothing is uploaded. The practical ceiling is your device's available memory, so very large files may be slower on older hardware.
Does it work offline?
Yes. Once the page has loaded, converting BMP to PNG keeps working without a network connection, since the conversion happens entirely on your device.
Do I need to sign up or install anything?
No. There is no sign-up, no account and no software to install. Pick a BMP file and convert it to PNG straight away.
Is converting BMP to PNG free?
Yes, it is free to use, with no watermarks and no daily quota.