FreeNo uploadNo sign-upBatch
PNG to BMP Converter
Convert PNG to an uncompressed BMP bitmap for legacy software.
Drop PNG files here
batch and mixed formats welcome
- Private by design. Converted inside your browser.
- Instant. No upload queue, no waiting.
- Unlimited. Convert hundreds of files, download as ZIP.
How to convert PNG to BMP
Add your PNG files
Drop them on the converter, click Choose files or paste from the clipboard. You can add as many as you like.
Adjust the settings
No settings needed. The BMP is saved as a standard 24-bit bitmap.
Download your BMP files
Each file converts automatically. Save files one by one or all at once as a ZIP.
Why convert PNG to BMP?
PNG is a lossless format with full transparency support. It is ideal for screenshots, logos and images with text, but photos saved as PNG are large.
BMP is still required by some older Windows programs, embedded devices and simple tools that cannot read compressed formats.
PNG vs BMP
| PNGPortable Network Graphics | BMPBitmap image | |
|---|---|---|
| Type | Raster graphic | Raster image |
| Compression | Lossless | Usually none |
| Transparency | Full alpha channel | Rare |
| Animation | APNG only, limited support | Not supported |
| Support | Every browser and editor | Windows and most viewers |
| Best for | Screenshots, logos, UI, images with text or transparency | Legacy software and simple tools |
Frequently asked questions
Does PNG to BMP lose quality?
No. BMP stores every pixel without compression. Transparency is replaced by the background colour because 24-bit BMP has no alpha channel.
Can I convert many PNG files at once?
Yes. Add as many files as you like; each one converts automatically and you can download them all as a ZIP.
Are my files uploaded to a server?
No. formatmath converts files with code that runs inside your browser. Your files are never uploaded, stored or seen by us.
Is it free?
Yes. There is no watermark and no daily limit. An account is optional and only keeps a history of your conversions.