How do I convert BMP to PNG?

Drop your BMP files into the converter above, press Convert, and download the PNG results. Everything happens in your browser — nothing is uploaded.

Is the BMP to PNG converter free?

Yes. Converting BMP to PNG is completely free, with no signup, no watermark, and no file-size limit.

No. Your BMP files are converted locally on your own device and never leave your computer.

Converting to PNG is lossless, so no image quality is lost. Transparency is preserved.

Yes. Add as many BMP files as you like, convert them in one batch, and download them together as a ZIP.

BMP → PNG

Free, private, in your browser. Convert one BMP or a whole batch to PNG at once — your files never leave your device.

Reviewed by The convertimage Team · Updated June 2026

Drop images here

or — process as many as you like, all at once.

Processed on your device · nothing is uploaded

Steps

01
Add your BMP files
Drag your BMP images into the box above, or click to browse. Add as many files as you want.
02
Convert to PNG
Press Convert. Each BMP file becomes a PNG on your device — instantly and privately.
03
Download your PNG files
Save each PNG image individually, or download the whole batch as a ZIP.

Comparison

Attribute	BMP	PNG
Compression	Uncompressed	Lossless
Transparency	No	Yes
Animation	No	No
Best for	Exact pixel data with no compression	Logos, graphics, screenshots, transparency

Formats

BMP is an uncompressed bitmap format producing large files with exact pixel data and no quality loss.

PNG is a lossless raster format with full alpha transparency, ideal for graphics, logos, and screenshots.

Questions

How do I convert BMP to PNG?: Drop your BMP files into the converter above, press Convert, and download the PNG results. Everything happens in your browser — nothing is uploaded.
Is the BMP to PNG converter free?: Yes. Converting BMP to PNG is completely free, with no signup, no watermark, and no file-size limit.
Are my BMP files uploaded anywhere?: No. Your BMP files are converted locally on your own device and never leave your computer.
Does converting BMP to PNG reduce quality?: Converting to PNG is lossless, so no image quality is lost. Transparency is preserved.
Can I convert multiple BMP files at once?: Yes. Add as many BMP files as you like, convert them in one batch, and download them together as a ZIP.