BMP to PNG Converter Online — Compress Bitmaps Free

BMP files are massive and impractical for sharing or web use. The MyPDF BMP to PNG converter compresses your uncompressed bitmaps into compact PNG files — often reducing size by 80% or more with zero quality loss.

How to Convert BMP to PNG

1. Upload your BMP files (single or batch).
2. Preview the conversion — file size savings are shown instantly.
3. Download your compressed PNG files.

BMP vs. PNG Comparison

Feature	BMP	PNG
Compression	None	Lossless (deflate)
Typical file size	Very large	5-10x smaller
Transparency	Limited	Full alpha
Web support	Poor	Universal
Quality loss	N/A	None

Practical Tips

• Convert all BMP files to PNG for storage savings — there is no quality difference, just a massive size reduction.
• Batch convert entire folders of BMP screenshots or scans to reclaim disk space.
• PNG is universally supported on every platform and browser, unlike BMP which is mostly a Windows format.

Is the conversion lossless?

Yes. Both BMP and PNG can represent the same pixel data exactly. PNG simply uses compression to store it in a much smaller file.

When should I keep BMP format?

Only when required by legacy software that cannot read PNG. In all other cases, PNG is strictly better — same quality, much smaller size.

Related Tools

• PNG to BMP — convert PNG back to BMP
• BMP to JPG — convert BMP to compressed JPG
• Convert Image — convert between any formats
• Compress Image — further optimize PNG size