BMP Converter
Convert BMP image files to PNG, JPG, WebP, TIFF, AVIF and GIF and 7 more formats — free, in batches, files up to 10 GB, with no sign-up and no watermark.
Drop your BMP file
Choose the format you need
Download the result
Choose file
or drag & drop — image files
Free · Unlimited · No sign-up · Max 10 GB
Your privacy is our mission. Most files are converted right in your browser and never leave your device. Only large files, or formats a browser cannot process, are sent to our server over an encrypted connection — they are never stored, never shared, and deleted as soon as your download is ready.
What Is a BMP File?
BMP writes every pixel to disk without compression, which makes it simple and exact but large. It survives in older Windows programs, embedded devices and tools that want raw pixels. BMP is lossless: it stores the image without discarding anything, at the price of larger files.
BMP Facts
| Full name | Windows Bitmap |
|---|---|
| File extension | .bmp |
| Type | Image |
| How it stores data | Uncompressed |
| Created by | Microsoft |
| Best for | old software and devices that accept nothing else |
| Watch out | files are many times larger than PNG for the same picture |
| Opens with | every Windows program, most image viewers and editors |
How to Open a BMP File
A .bmp file opens with every Windows program, most image viewers and editors. If none of those is at hand — or the file has to go into a program, device or website that refuses BMP — convert it: PNG, JPG and WebP are the usual choices.
Convert BMP to Another Format
Convert Other Formats to BMP
BMP Compared
Frequently Asked Questions
What is a BMP file?
BMP writes every pixel to disk without compression, which makes it simple and exact but large. It survives in older Windows programs, embedded devices and tools that want raw pixels.
How do I open a .bmp file?
With every Windows program, most image viewers and editors. If your device or program does not accept it, convert the file to a format it does.
How do I convert a BMP file?
Drop the file into the converter on this page, choose the target format — PNG, JPG, WebP, TIFF and AVIF and others — and press Convert. It is free, there is no account and several files can be converted at once.
Is BMP lossy or lossless?
BMP is lossless: it stores the image without discarding anything, at the price of larger files.
What is BMP good for, and what are its limits?
Best for: old software and devices that accept nothing else. Watch out: files are many times larger than PNG for the same picture.
Is the BMP converter free, and how big can the files be?
It is free, with no account, no watermark and no daily limit. Files can be up to 10 GB each.
Which formats can be converted to BMP?
JPG, PNG, WebP, GIF, TIFF, SVG, AVIF, HEIC and ICO.