Convert BMP to PNG

Compress legacy bitmap files without introducing lossy artifacts or sending them to a server.

Local processing
Drop BMP files here

Or choose up to 100 files. You can also paste an image.

Metadata and GPS are removed from converted files.

Files stay in your browser memory.

Use lossless compression instead of raw pixels

PNG is broadly supported and stores graphic detail efficiently. It is a natural replacement for BMP screenshots, diagrams, and interface assets that need crisp edges.

Good reasons to use this conversion

  • Archiving legacy graphics in a more portable format
  • Keeping text, charts, and hard edges clean
  • Opening old Windows bitmaps in modern web tools

Convert a single file or a batch

One group of settings keeps every image in the queue consistent.

Add BMP images

Drag files into the converter or use the file picker. Unsupported extensions are skipped with a clear message.

Adjust the PNG output

PNG uses lossless encoding, so it does not need a quality slider.

Save the converted files

Review each thumbnail and file size. Download one result or package multiple files in a ZIP.

BMP and PNG at a glance

A legacy raster format that usually stores pixels with little or no compression. A lossless format that keeps sharp edges and full alpha transparency.

PropertyBMPPNG
Full nameWindows BitmapPortable Network Graphics
CompressionUsually uncompressedLossless
TransparencyLimitedSupported
Best fitLegacy Windows software and older image archivesGraphics, screenshots, editing, and transparent assets

BMP to PNG questions

How do I convert BMP to PNG?

Add one or more BMP files, review the PNG output settings, select Convert to PNG, then download each result or the complete ZIP.

Is this BMP to PNG converter private?

Yes. Files are decoded and encoded in your browser. They are not uploaded to our servers or stored by ConvertPics.

Can I batch convert BMP to PNG?

Yes. The converter accepts up to 100 files in one batch and processes them sequentially. Finished files can be downloaded individually or together as a ZIP.

Will the PNG output keep metadata?

No. The browser renders decoded pixels onto a fresh canvas, so EXIF, GPS, camera, profile, and comment metadata is not copied to the converted file.

Can I resize the image during conversion?

Yes. Enter a width, a height, or both. Keep ratio is enabled by default so the image fits within your requested dimensions without stretching.