BMP to WebP Converter
Convert BMP images to WebP in your browser. Batch convert, resize and download as a ZIP.
or drop files here
Up to 1 GB per file · Files never leave your device
- 100% free
- No sign-up
- No upload — private
- No watermark
How to convert BMP to WebP
Add your BMP files
Click “Choose Files” or drag and drop your BMP files onto this page.
WebP is selected
The output is already set to WebP. Open Advanced settings if you want to change the quality or size.
Convert and download
Click Convert. Your WebP file is ready in moments — nothing is uploaded.
About the formats
Bitmap Image
BMP is an uncompressed Windows bitmap image. Files are large but very simple, so old software can open them.
WebP Image
WebP is Google’s modern image format. It makes images 25–35% smaller than JPG or PNG and supports transparency.
Frequently asked questions
How do I convert BMP to WebP?
Click “Choose Files” and select your BMP file (or drag it onto the page). WebP is already selected as the output, so just click Convert and download your WebP file when it’s ready.
Will I lose image quality?
WebP uses compression, but at the default 90% quality the difference is practically invisible. You can raise or lower the quality in Advanced settings.
Is it safe to convert BMP files here?
Your files stay on your device. Conversion runs inside your own web browser, so your files are never uploaded to our servers or anyone else’s. Nobody can see them, and nothing is stored after you close the tab.
Is the BMP to WebP converter free?
Yes, it’s completely free. There’s no sign-up, no watermark and no limit on how many files you convert. Each file can be up to 1 GB.
Can I convert several BMP files at once?
Yes. Add as many BMP files as you like and convert them in one go, then download them one by one or together as a ZIP file.