Step 1: Supply your JPEG files using the button above or by haul and lay.
Step 2: Click the 'Convert' button to start the conversion.
Step 3: Get your converted BMP files.
JPEG to BMP Conversion FAQ
What does the JPEG to BMP converter do?
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JPEG is already lossy-compressed, so converting to BMP does not magically restore detail — it just stores the existing pixels without further loss. BMP is a good choice when you plan to edit the image further and want each save to preserve quality.
Will background and colour fidelity be preserved?
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Neither JPEG nor BMP carries an alpha channel, so the background renders as a solid colour and pixel colour data is preserved end-to-end.
Is the JPEG to BMP conversion reversible?
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You can convert the BMP back to JPEG on this site. If either format involved is lossy, the round-trip is not bit-perfect even though it is visually or audibly close.
Will the BMP be larger than the JPEG?
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Yes — lossless containers store every byte. Expect the BMP to be 3-8x the size of the JPEG. The benefit is no further quality loss on editing or re-encoding.
Does converting JPEG to BMP restore the quality that was lost?
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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?
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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?
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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.
Is there a file-size limit when converting JPEG to BMP?
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Anonymous uploads are capped at a generous default; signed-in free accounts get a higher cap, and Pro accounts have no per-file limit. Browser memory is usually the practical constraint long before our server-side limits kick in.
Can I batch-convert several JPEG files to BMP at once?
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Yes. Drop or pick multiple JPEG files in one upload — the converter processes them in parallel and returns a ZIP of the BMP results. There is no need to repeat the upload step per file.
What happens to my JPEG files after the conversion?
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Uploaded files and BMP outputs are auto-deleted after a short retention window. We do not inspect, share, or train on user files. Direct download links are time-limited and tied to your session.
Where can I open a BMP file?
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BMP opens in mainstream image viewers and editors. For web embedding, consider converting to PNG or WebP first since BMP is not always natively supported in browsers.
Do I need to install software to convert JPEG to BMP?
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No. The converter runs entirely in your browser plus our cloud — no plugin, no install, no admin rights. It works on Windows, macOS, Linux, ChromeOS, iOS, and Android.
