Step 1: Transfer your JPEG files using the button above or by slide and deposit.
Step 2: Click the 'Convert' button to start the conversion.
Step 3: Retrieve your converted BMP files.
JPEG to BMP Conversion FAQ
How do I convert JPEG to BMP without losing image quality?
+
Upload your JPEG file and the converter applies format-aware quality optimization for BMP. For lossless BMP (PNG, TIFF, BMP) every pixel is preserved; for lossy BMP (JPG, WebP) you can tune the quality factor before download. The bitstream is identical to a .jpg: DCT-based lossy compression, usually with 4:2:0 chroma subsampling, wrapped in a JFIF or Exif header. BMP usually stores completely uncompressed pixel rows with a small header, which is why it is so simple to parse.
Does converting JPEG to BMP restore the quality that was lost?
+
No. The compression artefacts already baked into the JPEG are ordinary pixel data now, and BMP preserves them perfectly rather than removing them. The file usually gets larger, sometimes several times larger. It is still worth doing before editing, because further edits will not stack a second generation of loss on top. BMP needs no decoder library at all, so it remains the safe interchange format for embedded systems and legacy Windows tooling. JPEG shares every JPG limitation — no alpha, generational loss on re-save — with the added nuisance of software that treats the two extensions differently.
Will my CMYK colour survive the conversion to BMP?
+
It is converted to sRGB, because BMP has no CMYK mode. For screen use that is exactly what you want. For commercial print it is not — the gamut shift changes how saturated colours reproduce on press, so send the printer the original JPEG rather than the BMP. BMP is gigantic — a 12-megapixel photo is around 36 MB — and no browser treats it as a sane web format.
Does the BMP keep the EXIF data from my JPEG?
+
By default yes, wherever the target has somewhere to put it — camera model, exposure settings, lens and GPS coordinates all carry across. GPS is the field worth thinking about: if the image is going to be published, use the strip-metadata option so you are not broadcasting where the photo was taken. JPEG is the same standard as JPG and JFIF — the four-letter extension is the original, and the three-letter one exists only because of the DOS 8.3 filename limit.
Does JPEG to BMP conversion preserve transparency?
+
Transparency survives when BMP is PNG, WebP, TIFF, GIF, or SVG. Converting to JPG flattens the alpha channel against a white background. If you need transparency in the result, target a transparency-aware BMP instead of BMP=JPG. BMP is the Windows Bitmap, the raw raster format built into Windows since 1985.
Will my color profile (sRGB / Adobe RGB / CMYK) survive JPEG to BMP?
+
Embedded ICC color profiles are read from JPEG and re-attached to the BMP output where the format supports it (JPG, PNG, TIFF, WebP). Formats without profile support fall back to sRGB, which keeps colors consistent across most modern displays.
What about EXIF metadata when converting JPEG to BMP?
+
Camera EXIF (ISO, shutter, lens, GPS coords) is preserved by default during JPEG → BMP when both formats support metadata. Use the privacy option to strip metadata before download if you need to share images without geolocation.
Can I batch-convert many JPEG files to BMP at once?
+
Yes — drag multiple JPEG files into the upload zone and we queue them in parallel. Free users get 100 MB per file; Premium has no per-file cap and runs more parallel workers, so a 200-image batch typically finishes in under two minutes.
How does JPEG to BMP compare to Photoshop / GIMP for the same task?
+
For straight format conversion we run the same libpng / libjpeg-turbo / libwebp / ImageMagick pipelines a desktop editor uses, with the same output quality. The difference is parallel batch handling — desktop apps open one file at a time; we accept a batch.
What resolution will my BMP file have?
+
Default is 1:1 — your BMP keeps the pixel dimensions of the source JPEG. If you need to resize as part of the conversion, use /resize-image/ after conversion, or chain it with the /image-resize/ utility.
How small can the BMP get without visible artifacts?
+
For JPG / WebP, quality 75-85 typically gets the BMP 60-80% smaller than JPEG with no visible difference at normal viewing distance. For lossless BMP (PNG, TIFF), expect smaller savings — usually 5-30% via better deflate / LZW compression.
Are my JPEG files private during conversion?
+
Yes — uploaded JPEG files are processed in isolated workers and deleted within minutes. We never read, store long-term, or share the pixel data. The full retention window is documented at /privacy/.
