BMP and WEBP are both common image formats, but they serve different purposes. BMP is typically used for Windows-native applications, while WEBP is best known for modern websites optimizing for page speed. Converting from BMP to WEBP takes seconds with this tool — just drop your files below, and the conversion happens instantly on your own device.
For any BMP image headed to a website, WEBP is almost always the better final format — smaller files, faster page loads, and full support in every modern browser.
Converting to WEBP is one of the easiest ways to shave file size off your images without a visible quality hit — most BMP files shrink by 25-35% once converted, which speeds up page loads if you're uploading to a website.
How to convert BMP to WEBP
- 1 Drop one or more BMP files onto the box above, or click it to browse your device.
- 2 The converter detects each file as BMP and is already set to output WEBP — no settings to configure.
- 3 Conversion runs instantly inside your browser using a Web Worker, so your files are never uploaded and it works even on a slow connection.
- 4 Click a file's download button to save it, or use "Download all" to get every converted file at once in a single .zip.
BMP
none compression- Transparency
- Not supported
- Animation
- Not supported
Typically used for
Windows-native applications, raw uncompressed image storage, some legacy print workflows
Pros
- + Completely uncompressed — no generation loss whatsoever
- + Simple format, trivial for any software to read
Cons
- - Very large file sizes compared to every other format here
- - No transparency support
- - Rarely used for web or sharing
WEBP
lossy compression- Transparency
- Supported
- Animation
- Supported
Typically used for
modern websites optimizing for page speed, images needing both transparency and small size
Pros
- + 25-35% smaller than JPG/PNG at comparable visual quality
- + Supports both transparency and animation in one format
- + Supported by all modern browsers
Cons
- - Not fully supported in some older software (pre-2020) or legacy image editors
- - This tool converts only the first frame of animated WEBP
Frequently asked questions
Related guide
What Is WEBP and Why Do So Many Websites Use It?What the WEBP image format is, how it compares to JPG and PNG, and why it's become the default format for modern websites.