Convert BMP to WebP Live
Convert BMP images to modern WebP for smaller files and faster pages.
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or
BMP files · batch up to 50 · 100 MB each
Processed on your device — nothing uploaded
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BMP is uncompressed and dated; WebP is compact and modern. Converting BMP to WebP delivers the biggest possible size saving while keeping good visual quality — the best target for putting old bitmaps online.
BMP is an old, essentially uncompressed bitmap format. It preserves every pixel but produces very large files, so it is almost always worth converting to a modern compressed format.
WebP is a modern web format that supports both lossy and lossless compression, transparency and animation. It produces noticeably smaller files than JPG or PNG at the same visual quality, which is why it is now the go-to format for fast websites.
How to convert BMP to WebP
- 1
Open BMP to WebP Converter
Load this page — everything runs in your browser, so there's nothing to install.
- 2
Add your files
Drag and drop BMP images onto the workspace, or click to browse. Add several at once for batch processing.
- 3
Adjust the settings
Fine-tune the output with the options panel and watch the result update live.
- 4
Download your result
Save each file or grab everything as a single zip. Your originals are never uploaded.
When should you convert BMP to WebP?
- Drastically shrinking a BMP for a fast-loading website.
- Modernising legacy BMP assets into an efficient format.
- Cutting storage and bandwidth for large bitmap files.
- Converting a BMP export so it works in modern browsers.
How BMP and WebP compare
BMP is best for legacy desktop workflows — convert it to png, jpg or webp for any real use. WebP is best for web images and page-speed optimisation — the best default for most websites today.
Here's how the two formats line up on the things that matter:
| Property | BMP | WebP |
|---|---|---|
| Compression | Uncompressed (lossless) | Both (lossy & lossless) |
| Transparency | No | Yes |
| Animation | No | Yes |
| Typical file size | Very large — pixels are stored with little or no compression | Typically 25–35% smaller than JPG/PNG at equivalent quality |
| Support | Universal on desktop; uncommon on the web | All modern browsers (Chrome, Firefox, Safari, Edge) since ~2020 |
| Best for | Legacy desktop workflows — convert it to PNG, JPG or WebP for any real use. | Web images and page-speed optimisation — the best default for most websites today. |
Things to keep in mind
- For typical images this conversion is straightforward, with no meaningful downsides.
Quality, file size and privacy
WebP uses adjustable compression, so you can balance quality against file size with the quality slider. A setting around 80 is visually indistinguishable from the original for most images while keeping files small.
Every conversion runs on your own device, so you can convert as many BMP files as you like — with no limits, no watermarks and no sign-up, and nothing is ever uploaded.
Frequently asked questions
Are my files uploaded when I convert BMP to WebP?
No. The conversion runs entirely in your browser — your BMP files never leave your device, so it's completely private.
Is the BMP to WebP converter free?
Yes. Converting BMP to WebP is free and unlimited, with no sign-up and no watermark.
Can I convert many BMP files at once?
Yes — drop multiple BMP files and download them individually or as a single zip.
Is WebP supported by all browsers?
Yes — every modern browser (Chrome, Firefox, Edge and Safari 14+) and platforms like WordPress and Shopify display WebP. Only very old browsers need a BMP fallback.
Will the WebP file be smaller than my BMP?
Almost certainly — BMP is uncompressed, so the WebP file is usually a small fraction of the original size.
Do I need to install any software?
No. The BMP to WebP converter runs in your web browser, so there's nothing to download or install — on Windows, Mac, Linux, Android or iPhone.
Will converting reduce the image quality?
You control it. WebP uses adjustable compression; a quality around 80 looks identical to the original for most images while keeping the file small.