Convert BMP to WebP
Turn heavy uncompressed BMP files into compact WebP. 100% in your browser.
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BMP
Quality
Why convert BMP to WebP?
BMP files are enormous because nothing is compressed. WebP can shrink them by an order of magnitude while keeping them sharp on screen.
BMP vs WebP at a glance
| BMP | WebP | |
|---|---|---|
| Type | Raster image | Raster image |
| Compression | Uncompressed / text | Lossy or lossless |
| Transparency | No | Yes |
| Animation | No | Yes |
| Introduced | 1990 | 2010 |
| Created by | Microsoft | |
| Best for | Legacy Windows software; very large files | Fast-loading images on websites |
Is it safe?
Yes. This conversion runs entirely inside your browser, and your BMP file is never sent to a server. Metadata such as location is also removed automatically.
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How to convert BMP to WebP
- 1Drop your BMP files onto the box above, click it to choose files, or paste an image with Ctrl+V.
- 2Optionally pick a quality preset, or open fine-tune to set an exact quality or a maximum width and height.
- 3Conversion starts immediately and runs on your own device. Nothing is uploaded, so even large batches start without waiting for a transfer.
- 4Download each WebP file individually, or grab everything at once as a single ZIP.
Frequently asked questions
Is it really free?
Yes. Converting BMP to WebP is free with no sign-up and no watermark. The free plan handles several files per batch; an optional premium licence removes ads and raises the limits.
Are my files uploaded anywhere?
No. Your BMP files are read and converted by your browser on your own device. You can confirm it by opening your browser's developer tools and watching the Network tab while you convert: no file upload ever appears.
Will I lose quality?
That depends on the target. Lossless targets such as PNG keep every pixel. Lossy targets such as JPG and WebP let you choose the trade-off between file size and quality with the presets or the fine-tune slider.
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