Home › Tools › Image converter › BMP
BMP to WebP converter
A free BMP to WebP converter that also writes PNG and JPG, entirely in your browser. BMP writes raw uncompressed pixels straight to disk, so a photo that would be 2 MB as a JPG arrives as 25 MB. Converting is almost always worth it, and it happens here in your browser.
Convert
Pick the formats first, or keep the defaults. You can change the output at any time.
Add BMP filesAccepts BMP files.Select images
Converted files don’t keep EXIF or color profile data.
Runs in your browser. Your files never leave your device.
How to convert a BMP
- Add your BMP filesDrag them in or pick them from disk. BMP files are large, so a batch may take a moment to read.
- Keep WebP, or pick another formatWebP is preselected for a small file, saved at quality 85. Pick PNG for a lossless copy that is still dramatically smaller than the BMP, or JPG for a photo that opens anywhere.
- Convert and downloadConversion runs on your machine, so even very large BMP files never get uploaded anywhere. Batches download as a ZIP.
Questions about converting BMP
Because BMP applies no compression at all in its common form — it stores three or four bytes for every single pixel, exactly as they sit in memory. A 4000 x 3000 photo is around 36 MB before you have added anything. Every other format on this page compresses, which is why the saving is so dramatic.
No, not a pixel: PNG is lossless, so the image is reproduced exactly while typically landing at a fraction of the size. If you want a faithful archive copy of a BMP, PNG is the format to choose; pick JPG or WebP only when you are willing to trade some detail for a much smaller file.
Yes: the WebP is saved at quality 85, so fine detail is compressed in exchange for a much smaller file. Convert to PNG instead if you need every pixel of the BMP kept exactly.
Yes: BMP is one of the seven outputs. No browser can write BMP from a canvas, so this page writes the bytes itself, as a 32-bit BMP with the alpha channel kept.
One file is free. Four hundred, on brand, in every size, is what we do.
More free tools
All tools- Contrast checkerWCAG ratios
- Palette generatorPalettes from a prompt
- Palette visualizerPalettes on mockups
- Image compressorSmaller JPG, PNG, WebP
- Image resizerEvery size, every photo
- Remove backgroundTransparent PNG
- Image to SVG converterRaster to vector
- SVG editorRecolor, erase, export