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BMP to JPG

BMP files store every pixel uncompressed, which makes them huge. Turn them into light JPGs on your own computer.

Drop your .bmp files here

  • Files never leave your device
  • Unlimited use · No signup

Up to 50 MB per file · 50 files max

BMP to JPG in 3 steps

  1. Select the .bmp files from Paint, a scanner or an old device.
  2. Click "Convert to JPG". Each bitmap is compressed at about 92% quality.
  3. Download the much smaller JPGs. Several files come zipped.

What you gain

  • Often 10× smaller or more

    A 1920 × 1080 BMP is around 6 MB. The same picture as a JPG is usually a few hundred kilobytes.

  • Fits in an email

    Attachment limits of 20 to 25 MB fill up fast with BMPs. As JPGs, a whole folder can fit in one message.

  • Websites accept it

    Most upload forms, social networks and chat apps refuse .bmp or struggle with its size. JPG is accepted pretty much everywhere.

  • No Paint, no "Save as"

    You don’t have to open each file in Paint and save it again. Drop the whole batch here and your browser converts it.

BMP to JPG questions

Why are BMP files so big?

BMP usually stores every pixel uncompressed, at three bytes per pixel for colour. Width times height times three gives you the file size. JPG compresses the same picture by dropping detail your eye hardly notices.

Where do BMP files come from?

Older versions of Windows Paint saved BMP by default. Many scanners, lab instruments, CNC machines, kiosks and older business programs still export it, and you’ll often find it in old game and software files too.

Will the JPG look worse?

For photos and scans you won’t see a difference at about 92% quality. Screenshots with small text or sharp lines can get a slight fuzz around the letters. For those, converting to PNG keeps them sharp and still saves space.

What about transparent BMPs?

A few 32-bit BMPs have transparency. JPG can’t store it, so transparent pixels are filled with white.

Can I make the JPG even smaller?

Yes. After converting, use Compress Image to hit an exact size in KB, or Resize Image to make the pixel dimensions smaller.

Is anything uploaded?

No. Your browser reads the BMP and writes the JPG on your own device. That’s useful when the bitmaps come from medical, industrial or office systems you’d rather not share.

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