Convert BMP to PNG — Free Online, No Upload
Turn uncompressed BMP into PNG in your browser — no upload. PNG adds efficient lossless compression while keeping full pixel fidelity.
See supported formats including BMP input.
How to convert BMP to PNG
- Open PicBrewery.
- Drop
.bmpfiles on the drop zone. - Download from the PNG column (oxipng in the pipeline).
- Batch with Download all as ZIP.
BMP vs PNG
Both can be lossless, but PNG compresses flat graphics and screenshots far better than raw BMP. For photos, PNG may still be large — compare WebP/AVIF columns in the same row.
Choose PNG when you need a lossless raster with wide tool support and optional alpha from 32-bit BMP sources.
Frequently asked questions
Will BMP to PNG reduce file size?
Often yes versus uncompressed BMP, especially for UI captures and logos.
Is transparency preserved?
When the BMP carries an alpha channel, PNG output can preserve it.
Should I use PNG or JPG for BMP photos?
Photos for the web: JPG or WebP. Editing/archival: PNG.
Will EXIF survive?
No; metadata is stripped on encode.
Can I batch-convert?
Yes — 20 files per batch.
Convert BMP to PNG now
Drop BMP files into PicBrewery and download PNGs. 100% client-side.