Batch BMP to WebP
Convert BMP images to smaller WebP files in your browser
Drop BMP files or folder here
Click to browse — supports .bmp
Tips
BMP — Windows bitmap. Uncompressed, large files, no transparency.
WebP — Modern format. Smallest file size for web use.
Privacy — No server sees your images. The conversion runs entirely in your browser.
Batch — Batch conversion is supported. Failed files are skipped so the rest finish.
How to Convert BMP to WebP
Drop your BMP files
Drag images from your computer, or click to browse. We accept .bmp files.
Convert instantly
The tool decodes each BMP locally in your browser using the Canvas API. Your files are not uploaded.
Download WebP
Download WebP — smaller than JPG at the same quality. Perfect for websites and apps.
About BMP to WebP
WebP is a modern image format that compresses better than JPG and PNG. Converting a BMP to WebP replaces its uncompressed pixel grid with efficient lossy or lossless encoding, cutting file size by 50% or more while preserving visual quality.
This tool converts BMP files to WebP directly in your browser. WebP replaces the uncompressed BMP pixel grid with efficient lossy or lossless encoding. The conversion runs locally using the Canvas API; your images stay on your device.
Output matches the original in resolution and color, but at a much smaller file size. WebP is supported by all current browsers. We do not add watermarks or impose usage limits.
Frequently Asked Questions
Why convert BMP to WebP?
WebP produces smaller files than both JPG and PNG. Converting a BMP to WebP is the fastest way to shrink a large uncompressed image for websites and modern apps.
What is WebP format?
WebP is a modern image format developed by Google. It supports both lossy and lossless compression and typically delivers 25-35% smaller files than JPG at the same visual quality.
Will the image quality be preserved?
Resolution and color accuracy are fully preserved. WebP uses efficient lossy compression, so you get smaller files with no visible difference at the default 90% quality.
Is there a file size limit?
There is no hard limit. Since processing runs locally in your browser, the practical limit depends on your device's memory. Most BMP images convert instantly.
Do I need to sign up or pay?
No. There are no fees, no subscriptions, and no watermarks. Every feature is free and unlimited.
Is my image data safe?
Yes. Everything is processed in your browser with the Canvas API. We do not upload, store, or log your images.
