raster format

What is a .WBMP file?

WBMP (Wireless Bitmap) is a monochrome format from the WAP era, made for tiny black-and-white images on early mobile phone browsers.

Full name
Wireless Bitmap
Developed by
WAP Forum
Released
1998
Extension
.wbmp
MIME type
image/wbmp
Transparency
Varies

How to open a WBMP file

WBMP opens in legacy mobile tools and ImageMagick; convert to PNG for modern devices.

What WBMP 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
Limited support — may need converting

Need more than a conversion?

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

Frequently asked questions

WBMP (Wireless Bitmap) is a monochrome format from the WAP era, made for tiny black-and-white images on early mobile phone browsers.

WBMP opens in legacy mobile tools and ImageMagick; convert to PNG for modern devices.

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

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

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