What Compress BMP does
Compress BMP shrinks an uncompressed BMP by converting it to JPG (or PNG, WebP or AVIF) in the browser.
- Smaller files
Compress BMP
Convert and compress BMP images to smaller formats
Related Tools
All Image Tools →How do I compress BMP images?
Compress a BMP by opening it; the tool converts it to a much smaller JPG (or PNG, WebP or AVIF), because a BMP stores every pixel uncompressed. It runs in your browser, so nothing is uploaded.
- Converts BMP to a much smaller JPG, PNG, WebP or AVIF
- Adjustable quality vs size
- Adjustable quality and target size
- 100% client-side
What is
Compress BMP
A tool that shrinks an uncompressed BMP by converting it to a compressed format (JPG, PNG, WebP or AVIF) in the browser.
Image Tools
Related terms
compress imagereduce size
Frequently Asked Questions
Often a lot.
Compression can cut file size dramatically with little visible change, depending on the image.
Barely, if at all.
Compression is tuned to keep the image visually sharp while removing redundant data.
No.
Compression runs locally with the Canvas API in your browser.
Detailed Explanation
How it works
The image is drawn to a canvas and saved in the chosen format at a quality that meets the target size.
- Canvas re-encoding
Use cases
Speed up websites, fit email limits and save storage.
- Upload limits and speed
Limitations
Very aggressive compression can introduce artefacts; the tool balances size against quality but cannot add detail back.
- Artefacts if over-compressed
Privacy
Everything is processed in your browser with canvas; your images are never uploaded to a server.
- 100% local
- No upload