ConvertBMP to WebP

Turn huge BMP files into tiny WebP images. Get the smallest possible files with great quality. Free, private, in your browser.

BMP to WebP

Drop images here or click to select

Multiple files supported — converted automatically in your browser

BMP — converts to WebP

Why convert BMP to WebP?

BMP files are enormous because they are uncompressed. WebP is one of the most efficient formats available, so converting BMP to WebP gives you the smallest possible files while keeping good quality — perfect for the web.

What to know

WebP supports transparency and excellent compression, so the size reduction from BMP is dramatic. Quality stays high at the default setting.

Best for

  • Putting BMP content on fast websites
  • Minimising storage for image archives
  • App and web assets
  • Replacing bulky BMP files

BMP vs WebP

PropertyBMPWebP
TransparencyNoYes
CompressionNoneLossy / lossless
CompatibilityUniversal (old)Modern browsers
Typical sizeVery largeVery small

Frequently asked questions

How much smaller will WebP be than BMP?

Usually 90%+ smaller. BMP is uncompressed, while WebP is highly efficient, so the reduction is dramatic.

Does it keep quality?

Yes. At high quality, WebP keeps excellent visual quality while being a fraction of the BMP size.

Is it free and private?

Yes. Conversion runs entirely in your browser with no upload, and it is free with no limits.