BMP vs WebP: Which Should You Use?

Side-by-side comparison of BMP and WebP image formats — features, pros, cons, and conversion options.

Quick Answer

BMP is best for Simple uncompressed images in Windows applications. WebP is best for Web images balancing quality and file size.

Quick Verdict

BMP Best for Simple uncompressed images in Windows applications

✓ Simple uncompressed format
✓ No quality loss
✓ Universal Windows support
✗ Extremely large file size

Convert BMP to WebP →

WebP Best for Web images balancing quality and file size

✓ Smaller than JPEG and PNG
✓ Supports lossy and lossless
✓ Animation and transparency
✗ Limited support in older browsers

Convert WebP to BMP →

Specs Comparison

Side-by-side technical comparison of BMP and WebP

Feature	BMP	WebP
Category	Image	Image
Year Introduced	1986	2010
MIME Type	image/bmp	image/webp
Extensions	.bmp	.webp
Lossy	✗	✓
Lossless	✓	✓
Transparency	✗	✓
Animation	✗	✓
Max Color Depth	32-bit	8-bit
Hdr	✗	✗

Pros & Cons

BMP

Pros

✓ Simple uncompressed format
✓ No quality loss
✓ Universal Windows support

Cons

✗ Extremely large file size
✗ No transparency
✗ No compression

WebP

Pros

✓ Smaller than JPEG and PNG
✓ Supports lossy and lossless
✓ Animation and transparency

Cons

✗ Limited support in older browsers
✗ Lower max quality than PNG for lossless
✗ Editing tool support still growing

When to Use Each

Choose BMP when...

You need files optimized for Simple uncompressed images in Windows applications
Simple uncompressed format
No quality loss
You need lossless quality

Choose WebP when...

You need files optimized for Web images balancing quality and file size
Smaller than JPEG and PNG
Supports lossy and lossless
You need lossless quality

How to Convert

Convert between BMP and WebP for free on ChangeThisFile

Convert BMP to WebP Runs in your browser — files never leave your device Convert WebP to BMP Runs in your browser — files never leave your device

Frequently Asked Questions

What's the difference between BMP and WebP?

BMP is best for Simple uncompressed images in Windows applications, while WebP is best for Web images balancing quality and file size. Both are image formats but they differ in compression, compatibility, and intended use cases.

Is BMP or WebP better for image?

It depends on your use case. BMP is better for Simple uncompressed images in Windows applications. WebP is better for Web images balancing quality and file size. Consider your specific requirements when choosing between them.

How do I convert BMP to WebP?

Go to the BMP to WebP converter on ChangeThisFile. The conversion runs entirely in your browser — your file never leaves your device. It's free with no signup required.

Can I convert WebP to BMP?

Yes. ChangeThisFile supports WebP to BMP conversion. The conversion runs in your browser with no upload required.

Which is smaller, BMP or WebP?

File size depends on the content and compression settings. BMP preserves full quality. WebP uses lossy compression for smaller files. For the smallest files, choose the format with lossy compression that meets your quality needs.

Does BMP support lossy?

No, BMP does not support lossy, whereas WebP does. This may be an important factor depending on your use case.

Is BMP or WebP free to use?

Both BMP and WebP are supported file formats that are free to use. You can convert between them for free on ChangeThisFile — browser-based conversions have no limits and your files never leave your device.

Which format is newer, BMP or WebP?

WebP is newer — it was introduced in 2010, while BMP dates back to 1986. Newer formats often offer better compression and features, but older formats tend to have wider compatibility.