Convert BMP to JPG Online
Convert large BMP files to compressed JPG to save disk space.
Drop your BMP file here
or click to select
How BMP to JPG works
Upload BMP
Drag & drop or click to select your BMP file.
Choose Options
Adjust quality, size, or other output settings if needed.
Download JPG
Click Convert and your JPG file downloads instantly.
About BMP to JPG conversion
BMP files are uncompressed - They can be enormous even for relatively small images. A 1920×1080 BMP file is approximately 6 MB; the equivalent quality JPG is typically 200–500 KB. Converting BMP to JPG provides dramatic space savings (80–95% reduction) with minimal visible quality impact at settings of 85%+.
BMP files commonly appear in Windows development contexts, screensavers, paint program output, and legacy software that saves images in uncompressed format. They are also produced by some industrial and scientific instruments, screen capture tools, and older scanners. Converting to JPG makes these files practical for sharing, archiving, and web use.
BMP does not support transparency, so no background colour filling is needed during conversion. The pixel data maps directly to JPG without any additional processing beyond the JPEG compression step.
Where JPG comes from
BMP, short for Bitmap Image File, was introduced by Microsoft and IBM in 1987 as the native raster format for OS/2 and Windows 2.0. Its appeal was simplicity: a header followed by raw pixel rows, easy to parse in C with no decompression code. That same simplicity made it bloated, and as bandwidth costs fell in the late 1990s the web abandoned BMP in favor of JPEG, GIF, and PNG. Today BMP survives mainly inside legacy Windows software, MRI scanners, factory-floor HMIs, and old game asset pipelines, where its zero-decode-cost is still a feature rather than a flaw.
BMP vs JPG at a glance
| BMP | JPG | |
|---|---|---|
| Compression | None (raw uncompressed pixels) | Lossy DCT (typically Q75-Q90) |
| Typical file size (1080p image) | 5-7 MB uncompressed | 200-500 KB at Q85 |
| Transparency | Optional 1-bit mask (rarely used) | None |
| Best for | Legacy Windows apps, paint tools | Web, email, mobile, universal sharing |
| Browser support | Partial (Chrome yes, some mobile no) | Universal across every browser since 1995 |
Real-world workflow — IT admin migrates a 2003-era kiosk image library to a modern intranet
- Locate the legacy share containing 4,200 BMP files exported from an old Visual Basic 6 inventory app.
- Batch-upload the BMPs into the BMP to JPG converter at Q85 with sRGB color space embedded.
- Confirm the output drops total folder size from 18 GB down to roughly 1.1 GB.
- Re-link the SharePoint product catalog to point at the new .jpg paths via a CSV find-and-replace.
- Archive the original BMP folder to cold storage for compliance, then retire the SMB share.
Recommended conversion settings
| Use case | Settings |
|---|---|
| Legacy app screenshot for web | Q82, progressive on, strip metadata |
| Photo digitized via flatbed scanner | Q90, embed sRGB ICC profile |
| Kiosk thumbnail at 256 px | Q75, baseline (non-progressive) |
| Archival reference copy | Q95, 4:4:4 chroma, retain EXIF if present |
Where will your JPG file open?
| Platform | BMP | JPG |
|---|---|---|
| macOS Preview | ✓ | ✓ |
| Windows Photos | ✓ | ✓ |
| Outlook (desktop) | ~ | ✓ |
| Gmail | ~ | ✓ |
| iPhone Photos | ✗ | ✓ |
| Android gallery | ~ | ✓ |
| Photoshop | ✓ | ✓ |
| Chrome / Safari / Firefox | ~ | ✓ |
| Slack / Discord | ~ | ✓ |
When to convert BMP to JPG
BMP files are uncompressed, which means even a simple 1920×1080 image can be 6 MB or more. Converting BMP to JPG reduces that to a fraction of the size - Typically 200–500 KB - Making the image practical to share, attach to emails, upload to websites, or store in quantity.
Windows applications such as MS Paint save images as BMP by default in some versions. Users who capture screenshots or create simple graphics in Paint and then need to share them online or via email routinely need to convert the resulting BMP to a web-friendly JPG.
Legacy industrial and engineering software, including some CAD viewers, label printers, and hardware control interfaces, output images as BMP. Converting those outputs to JPG makes them compatible with modern reporting tools, documentation systems, and communication platforms without having to change the source software.
BMP to JPG tips
- Quality 85% is sufficient for most BMP-to-JPG conversions - BMP files typically contain photographic or screengrab content that JPEG handles well.
- If the BMP was created from a screenshot or UI content with crisp text edges, convert to PNG instead for better quality.
- Strip EXIF metadata after conversion to further reduce file size - BMP-originated files sometimes carry metadata from the application that created them.
Why use this BMP to JPG converter
Related tools
Formats involved
BMP – Windows Bitmap
JPG – Joint Photographic Experts Group
BMP to JPG tips
- BMP files are uncompressed — a 10 MB BMP will typically convert to a 300 KB JPG at quality 85.
- Quality 85–90 gives a visually lossless result compared to the uncompressed BMP source.
- If the BMP is used in a legacy CAD or Windows-only workflow, keep the original BMP and use the JPG only for sharing.
BMP to JPG — frequently asked questions
Related guides & articles
Maybe you wanted something else?
- If you need transparency preserved → JPG to PNG
- If you want a smaller modern web format → JPG to WEBP
- If the BMP is already a screenshot bundle → JPG to PDF
- If you only need to shrink the file size → Compress JPG