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BMP to WebP

Turn BMP files into small, web-ready WebP images.

Drop BMP files here or click to browse

Processing happens on your device. Nothing is uploaded.

100% Private

Files are processed locally in your browser. They never touch our servers.

Smart Defaults

Sensible settings are applied automatically. Fine tune them only if you want to.

Batch Processing

Drop multiple images at once and download everything together as a ZIP.

How to use BMP to WebP

  1. Drop your images onto the page, or click to pick them from your device
  2. Use the default settings, or adjust the options for your file type and target result
  3. Download the finished images one by one, or save the full batch as a ZIP

What BMP to WebP is for

Use this tool when a BMP is headed for a website and size matters. It re-encodes the bitmap to WebP in your browser, giving a tiny, web-ready file that still keeps any transparency.

  • Turn a large BMP into a tiny, web-ready WebP image.
  • Shrink bitmaps hard for fast-loading web pages.
  • Keep any transparency while cutting file size sharply.
  • Convert a batch of BMP files to WebP together.
Privacy note: This tool runs locally in your browser. Your selected image files are not uploaded to CompressImage.ca. Read more on our promise page.

Best practices for better results

Image optimization works best when you choose the right balance between file size, visual quality, dimensions, format compatibility and privacy. These tips help you get a cleaner result.

  • WebP is ideal for the web: tiny files with optional transparency.
  • Quality 80 to 90 looks identical while shrinking the file sharply.
  • For maximum compatibility with old software, use PNG or JPG instead.
  • Keep the BMP original if you may need the raw bitmap again.

What happens to your images?

When you choose a file, your browser reads it locally and creates the processed version on your own device. CompressImage.ca does not receive the original image or the finished file.

That local-first approach is useful for personal photos, client work, screenshots, documents, product images and other files you do not want to upload to a third-party server.

When to use another tool

The best tool depends on what you are trying to fix. Compression reduces file size, resizing changes dimensions, conversion changes format, cropping changes framing, and metadata removal cleans hidden information from the file.

Goal Best tool
Make a file smaller Compress Image
Hit an exact file size Compress Image to Size
Change image dimensions Resize Image
Create WebP files for websites Convert to WebP
Convert iPhone photos HEIC to JPG
Remove hidden photo data Remove EXIF

Related image tools

These tools solve similar image optimization problems and work the same way: locally in your browser, with no required upload.

  • JXL to JPG: Convert JPEG XL files to widely supported JPG
  • JXL to PNG: Convert JPEG XL files to lossless PNG
  • JXL to WebP: Convert JPEG XL files to small WebP images
  • JPG to JXL: Convert JPG photos to next-gen JPEG XL

BMP to WebP FAQ

Why convert BMP to WebP?

WebP gives the smallest web-ready files and is supported by every modern browser, so it is ideal when a BMP is headed for a website.

Does WebP keep transparency?

Yes. WebP supports an alpha channel, so any transparency in the source is preserved in the WebP.

What quality should I use?

Quality 80 to 90 keeps the image looking identical while cutting the file size sharply. Lower it further if loading speed matters most.

Is my image uploaded?

No. The BMP is decoded and re-encoded to WebP entirely in your browser, so your image never leaves your device.