BMP to WebP Converter
Convert your uncompressed BMP (Bitmap) images to the efficient WebP format, perfect for modern web applications.
Click to select BMP files or drag & drop
(Max 10MB per file. 24/32-bit uncompressed supported)
Benefits of Converting BMP to WebP
BMP files are typically uncompressed and can be very large. Converting them to WebP offers significant advantages:
- Massive File Size Reduction: WebP generally provides much better compression than BMP, leading to dramatically smaller file sizes.
- Faster Websites: Smaller image files mean your web pages load faster, improving user experience and potentially boosting SEO.
- Transparency Support: If your BMP (32-bit) contains transparency, WebP can preserve it, unlike JPG.
- Lossless Option: WebP supports a true lossless compression mode, which can be beneficial for certain types of images where perfect fidelity is required, though it might result in larger files than lossy WebP.
- Modern Format: WebP is widely supported by all modern browsers and is increasingly becoming a standard for web images.
Key Features
Efficient WebP Conversion
- • **Batch Processing:** Convert multiple BMP files to WebP simultaneously.
- • **Compression Modes:** Choose between "Lossless" or "Lossy" WebP output.
- • **Quality Adjustment (Lossy):** Control the compression quality (0-100%) for lossy WebP.
Customization & Control
- • **Optional Resizing:** Resize images by width, height, or percentage before conversion.
- • **Filename Customization:** Add prefixes or suffixes to output WebP filenames.
- • **Metadata Control:** Option to strip metadata.
- • **Download Options:** Download files individually or as a ZIP archive.
How to Convert BMP to WebP
- Upload BMP Files: Drag and drop your BMP images, or click to select files. The tool supports common uncompressed 24-bit and 32-bit BMPs.
- Adjust Settings (Optional):
- **WebP Options:** Select "Lossless" or "Lossy" mode. For Lossy, adjust the quality slider.
- **Resize:** Optionally enable resizing and set new dimensions or a percentage.
- **Naming:** Add a prefix or suffix for the output filenames.
- Convert: Click the "Convert BMPs to WebP" button.
- Download: Download your converted WebP files.
Frequently Asked Questions
Which WebP mode should I choose: Lossless or Lossy?
**Lossy WebP** is generally recommended if your primary goal is the smallest possible file size, especially for photographs. It behaves similarly to JPG, where you trade some quality for size. **Lossless WebP** preserves all image data perfectly, like PNG. Choose this if you cannot tolerate any quality degradation, but be aware that file sizes might be larger than lossy WebP, though often still significantly smaller than the original BMP.
How does the "Quality" slider work for Lossy WebP?
The quality slider (0-100%) for lossy WebP controls the level of compression. A lower value (e.g., 60%) results in a smaller file but more noticeable quality loss (artifacts, blurriness). A higher value (e.g., 85-90%) retains more quality but produces a larger file. Experiment to find the best balance for your needs.
Will transparency from my BMP file be kept?
Yes. If your source BMP image is a 32-bit BMP and contains an alpha channel (transparency), it will be preserved in the output WebP file, as WebP fully supports transparency.
Are my images uploaded to a server?
No, all image conversions are performed directly in your web browser. Your files are not uploaded to any server.
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