Compare
JPEG vs BMP
JPEG is a lossy format commonly used for photographs and compact distribution; BMP is a family of bitmap formats used in some Windows workflows.
Which format should you choose?
Use JPEG for photos when lossy compression is acceptable; keep BMP when a specific workflow requires its bitmap variant.
Good fit for JPEG
Photographs · Web images
- Photographs intended for compact sharing
- Images with many colors
Good fit for BMP
Existing Windows bitmap assets · Temporary image exchange
- Existing BMP assets in Windows workflows
- Simple raster images before or after editing
Basic information
| Field | JPEG | BMP |
|---|---|---|
| Extension | .jpg, .jpeg | .bmp |
| MIME type | image/jpeg | image/bmp |
| Common uses | Photographs · Web images | Existing Windows bitmap assets · Temporary image exchange |
| How to open | Most operating-system viewers, web browsers, and image editors can open JPEG files. | Open BMP in a Windows image viewer or BMP-capable editor. If it fails, check support for the file version and color depth. |
| Export or convert | Exporting JPEG to PNG or WebP cannot restore data already removed by JPEG compression. Keep an original editing file, and use a proper export command rather than changing only the filename extension. | For sharing or web delivery, export BMP to PNG or WebP. Check color depth, transparency, and file size first, and retain the original when needed. |
Choose by use case
Photographs intended for compact sharing
Photographs · Web images
JPEGImages with many colors
Photographs · Web images
JPEGExisting BMP assets in Windows workflows
Existing Windows bitmap assets · Temporary image exchange
BMPSimple raster images before or after editing
Existing Windows bitmap assets · Temporary image exchange
BMPKey point 1
JPEG typically uses lossy compression and does not support ordinary transparency.
More on the differencesKey point 2
BMP variants differ in header, bit depth, compression, and may be much larger.
More on the differencesMore on the differences
Check image content, target software, color depth, compression, and file size. Avoid repeatedly saving JPEG while editing because recompression can reduce quality.
- JPEG is generally efficient for photographic distribution.
- BMP behavior depends on the specific variant and application support.
Frequently asked questions
Does converting BMP to JPEG preserve every pixel exactly?
Not necessarily. JPEG usually applies lossy compression; use a lossless format if exact pixel preservation is required.