Your JPG source
The JPG photograph is decoded to its available RGB colors first. Keeping those decoded pixels does not reverse its earlier JPEG compression.
Explore the JPG converterCreate a 24-bit BMP copy of a JPG picture for a desktop imaging workflow.
Choose a file to get started.
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The JPG photograph is decoded to its available RGB colors first. Keeping those decoded pixels does not reverse its earlier JPEG compression.
Explore the JPG converterThe BMP writer saves uncompressed, 24-bit RGB data with ordinary BMP row padding. The result is usually much larger than the photo source.
Confirm available download storage before exporting a high-resolution photograph as uncompressed BMP.
A JPG file may not be accepted by the app or upload form you need. JPG to BMP creates a separate BMP copy while leaving your original file untouched.

| Property | JPG / JPEG | BMP |
|---|---|---|
| What it stores | A still raster image | A raster bitmap |
| Compression | Lossy photo compression | Our export uses uncompressed 24-bit pixels |
| Transparency | No alpha transparency | Our BMP output uses a white background |
| Typical use | Photographs and everyday sharing | Bitmap workflows that specifically request BMP |
The BMP writer saves uncompressed, 24-bit RGB data with ordinary BMP row padding. The result is usually much larger than the photo source. Confirm available download storage before exporting a high-resolution photograph as uncompressed BMP.
The JPG photograph is decoded to its available RGB colors first. Keeping those decoded pixels does not reverse its earlier JPEG compression. Check the BMP result before replacing the source.
Choose one JPG file up to 25 MB and 12 million pixels. The maximum side is 65,535 pixels. Resize larger sources first; this route does not silently reduce their dimensions.
No. The JPG to BMP work runs in a local background worker. Needed converter files download on first use; your selected image is not sent to a conversion server. You can cancel processing.