Image tool

JPG to BMP Converter

Convert JPG images to uncompressed BMP bitmap format.

JPG BMP
PrivConvert
Privacy-first conversion
No files stored
In-memory processing
Deleted instantly
No sign-up needed

Complete the security check to begin

Why convert JPG to BMP?

BMP is an uncompressed bitmap format that stores raw pixel data. While larger than JPG, it's essential for Windows applications, professional printing, and legacy software that requires uncompressed images.

  • Windows compatible - native bitmap format for Windows applications
  • Print ready - uncompressed data for high-quality print workflows
  • Legacy support - required by older software and embedded systems

About Converting JPG to BMP

JPG is the most widely used photographic image format. Its lossy compression discards detail the human eye barely notices, producing small files that are ideal for photos on the web and in email. When you need to move away from JPG, the usual reason is simple: lossy: quality degrades each re-save.

Converting your JPG image to BMP solves that. BMP is an uncompressed Windows raster format that stores each pixel verbatim. Files are very large, so BMP is normally converted to a compressed format for storage or sharing. In practice you gain no compression artifacts and simple, well-documented structure. PrivConvert runs the whole JPG-to-BMP conversion in server memory and deletes your file the instant the BMP is ready — nothing is stored, logged or reused.

When this conversion helps

  • You need no compression artifacts
  • You need simple, well-documented structure
  • Sharing a JPG image with someone whose software expects BMP

Tips for best results

  • BMP preserves quality exactly, so the conversion from JPG will not introduce any new compression artifacts.
  • For the smallest possible BMP without visible quality loss, start from the highest-quality JPG you have.
  • Files up to 250 MB are supported, and you can batch-convert several JPG files at once; each is processed privately and deleted immediately.

How to Convert JPG to BMP Online

You can convert JPG to BMP right in your browser in under a minute. The key change: BMP stores data losslessly, so the conversion introduces no new compression artifacts.

1
Upload your JPG file

Drag and drop your file into the upload area, click to browse your device, or paste a URL to a file hosted online. You can upload files up to 250 MB and batch convert up to 20 files at once.

2
Automatic conversion

Once uploaded, the conversion from JPG to BMP starts automatically. The process runs entirely in an isolated environment - your data never leaves the secure pipeline.

3
Download your BMP file

Your converted file is ready instantly. Click the download button to save it to your device. The file is deleted from memory immediately after download.

A more private way to convert JPG files

Plenty of sites convert JPG files. Very few promise never to keep them — PrivConvert does, and backs it up with how the service is built.

Zero data retention

Files are processed in volatile memory (RAM) and purged the instant your download is ready — nothing is ever written to disk, cached or backed up.

Encrypted transfers

Every upload and download is protected with TLS 1.3, so your image cannot be intercepted on the way to the server or back to you.

No account required

Convert instantly with no sign-up, no email and no profiling cookies. We never build a profile around you or the files you convert.

Works on any device

Runs in any modern browser on Windows, macOS, Linux, Android and iOS — no install, plugin or desktop software needed.

JPG vs BMP - Format Comparison

FeatureJPGBMP
File extension.jpg.bmp
Full nameJPEG (Joint Photographic Experts Group)Bitmap Image File
Introduced19921990
CompressionLossyUncompressed
EncodingBinaryBinary
TransparencyNoNo
Open standardYes
Supported by PrivConvertYes (as input)Yes (as output)
Privacy-safe conversionIn-memory, zero storage
Max file size250 MB per file
Batch supportUp to 20 files simultaneously

A converter you do not have to worry about

PrivConvert handles thousands of conversions every day for developers, designers and privacy-conscious people who need a image converted without handing over a permanent copy.

250 MB Max file size
450+ Conversion tools
0 sec File retention
100% Free to use

Frequently Asked Questions

Why would I convert JPG to BMP?
BMP is an uncompressed format used by many Windows applications, legacy software, and professional printing workflows where raw pixel data is required.
Will the BMP file be larger than the JPG?
Yes, significantly. BMP stores raw uncompressed pixels, so files are typically 5-20x larger than the compressed JPG original.
Does converting JPG to BMP improve image quality?
No. The conversion preserves the existing quality from the JPG, but it cannot recover detail lost during the original JPG compression.
Is this tool really free?
Yes, completely free with no hidden fees, no watermarks, and no sign-up required. You can convert as many files as you need.
Are my files private and secure?
Absolutely. Every conversion runs in an isolated, in-memory process. Your files never touch the disk, are never stored or shared, and are deleted from memory the moment your download is ready.

Further Reading