raster format

What is a .BMP file?

BMP is an uncompressed raster format that stores pixel data with no quality loss, producing large files. It is common on Windows.

Full name
Bitmap Image File
Developed by
Microsoft
Released
1990
Extension
.bmp
MIME type
image/bmp
Transparency
No

How to open a BMP file

BMP opens in most image viewers and editors on Windows and Mac.

What BMP files are used for

Photos & web images

Share, post and embed pictures across sites and apps.

Editing & design

Work with the format in editors like Photoshop and GIMP.

Storage & archiving

Keep memories and assets in a widely-readable form.

Strengths & limitations

✔ Strengths✖ Limitations
Purpose-built for its nicheNo transparency support
Large file sizes

Tools for this format

Convert, compress and edit — free, in your browser.

Need more than a conversion?

Remove the background from BMP images, upscale to 4K, or generate new visuals with SharkFoto AI.

Frequently asked questions

BMP is an uncompressed raster format that stores pixel data with no quality loss, producing large files. It is common on Windows.

BMP opens in most image viewers and editors on Windows and Mac.

BMP is optimised for its specific use rather than strictly lossless storage.

Use SharkFoto's free tools — upload your BMP file and convert it to a more convenient format in seconds. It's free, processed securely and never stored.

No — BMP doesn't store transparency; convert to PNG or WEBP if you need it.