BMP to PNG Converter
PNG compresses your BMP files without losing any quality. Unlike JPG conversion, BMP to PNG is completely lossless. Your images will look identical but take up much less space. PNG also adds transparency support.
Drag & drop your images
or browse files from your device
Up to 50 MB each · Max 30 files
Tip: paste from your clipboard with Ctrl+V
How it works
Upload
Select one or more images from your device
Convert
Choose your target format and we handle the rest
Download
Download converted files individually or as ZIP
Files never stored
Processed in memory, never written to disk
No sign-up
No account, no email required
Free forever
Every tool, no limits, no watermark
8+ formats
JPG, PNG, WEBP, AVIF…
Batch convert
Up to 30 files at once
Keyboard shortcuts
See the list below
Frequently Asked Questions
Is BMP to PNG conversion lossless?
Yes. PNG uses lossless compression, so the converted image is pixel-perfect.
How much will the file shrink?
PNG files are typically 50-80% smaller than BMP since BMP has no compression at all.
Does PNG support transparency?
Yes. If you need transparency, PNG is the right choice over JPG.
Is there a cost?
No. Free to use, no signup required.