JPG to BMP Converter
Convert JPG images to uncompressed BMP bitmap format for legacy software compatibility and scientific imaging. Perfect for applications requiring raw pixel data without compression.
Drop your JPG image here
or click to browse files
Complete Guide: JPG to BMP Converter
Everything you need to know about using this tool effectively
The JPG to BMP Converter transforms compressed JPG images into uncompressed BMP bitmap files. JPG uses lossy compression, while BMP stores raw pixel data with no compression. The tool decodes the JPG, renders it to a canvas, and exports it as a BMP file. The tool processes everything in the browser, so your image never leaves your device.
This tool reads your JPG file, renders it to a canvas, and exports it as BMP format. BMP is uncompressed, so the output file will be much larger than the JPG source. Both formats are opaque, so no transparency handling is needed.
Image editing preparation
Convert JPG to BMP for editing in tools that handle uncompressed bitmaps more efficiently.
Legacy software compatibility
Transform JPG images into BMP for use in older applications that do not support JPG format.
Pixel-level analysis
Convert JPG to BMP for exact pixel data access without compression artifacts affecting analysis.
Embedded systems
Generate BMP files from JPG photos for hardware displays and embedded systems that require raw bitmap data.
Upload an image
Drag and drop or click to browse for your JPG file.
Convert
Click Convert. The tool processes the image and generates a BMP file.
Download
Save the converted BMP image to your device.
BMP files are uncompressed and will be much larger than the JPG source, often 10x or more.
JPG compression artifacts will be preserved in the BMP output since the decoded pixels include them.
Use BMP when you need raw pixel data without any further compression.
For a smaller uncompressed format, consider PNG which uses lossless compression.
Will the quality change?
BMP is uncompressed, so the decoded pixel data from the JPG is preserved exactly. However, JPG compression artifacts from the original are retained.
Is my image uploaded to a server?
No. All processing happens in your browser using the Canvas API. The image never leaves your device.
What is the maximum file size?
The tool supports images up to 50MB. Since BMP is uncompressed, the output file may be very large.
Does BMP support transparency?
No. Both JPG and BMP are opaque formats, so no transparency is involved in this conversion.
Can I convert multiple images at once?
Yes. Upload multiple files and the tool converts all of them.