ART to BMP Converter
Convert your ART files to BMP format free, right in your browser — no uploads, no signup, no watermarks. Files never leave your device.
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Quick Answer: How to Convert ART to BMP
ART is the AOL ART image format of dial-up-era compressed web graphics. BMP is Windows Bitmap — the raw, uncomplicated pixel grid. Converting between them re-encodes the media with BMP's compression model, so output quality depends on the settings you pick in the converter. Run it free at practicalwebtools.com/convert/image/art-to-bmp: drop in your ART, adjust settings if you like, and download the BMP — no signup, no upload, everything stays on your device.
How to Convert ART to BMP Online
- 1
Add your ART file
Drag and drop it into the converter, or click to browse. ART files up to the size limit are accepted, and nothing is uploaded — processing runs locally in your browser.
- 2
Set BMP options
Pick your quality: the converter exposes the settings that matter for BMP. Higher bitrates preserve more of the ART's detail at larger file sizes.
- 3
Download the BMP
Conversion runs on your device. When it completes, download the BMP file — repeat for as many files as you need, free and unlimited.
Key Facts About ART to BMP Conversion
- ART: AOL/Jacksonville, late 1990s, to squeeze images over dial-up, heavily lossy, proprietary wavelet-ish compression.
- BMP: Microsoft/IBM, Windows 1.0 era (1985), usually none — 24-bit BMP is width×height×3 bytes.
- ART strength: compressed images to a fraction of JPEG for dial-up speeds.
- BMP strength: trivial to read and write — no decoder needed.
- ART limitation to know: proprietary, visually destructive, and dead — support has vanished.
- BMP limitation to know: huge files.
ART vs BMP: Format Comparison
What is ART?
ART is a proprietary image format that was used by AOL in the 1990s and early 2000s for web graphics.
- File extension: .art
- Developed by: Johnson-Grace Company / AOL
- Best for: Legacy AOL graphics
What is BMP?
BMP is an uncompressed raster image format. It produces large file sizes but maintains exact pixel data without any compression artifacts.
- File extension: .bmp, .dib
- Developed by: Microsoft
- Best for: Windows icons, exact pixel data preservation
Why Convert ART to BMP?
- BMP is perfect for windows icons, exact pixel data preservation
- Web browsers load BMP images faster
- BMP supports features ART doesn't (transparency, animation)
- Converting to BMP reduces file size for web use
- BMP is required by specific applications or platforms
Frequently Asked Questions
Will converting ART to BMP lose quality?
It depends on the formats: ART is heavily lossy, proprietary wavelet-ish compression and BMP is usually none — 24-bit BMP is width×height×3 bytes. Any step from a lossless source into BMP keeps everything; any lossy step re-encodes and discards some data.
Are my files uploaded anywhere during ART → BMP conversion?
No. This converter runs on WebAssembly inside your browser — your ART file is read from disk, processed by your device's CPU, and the BMP is written back locally. There is no server upload at any point, which also means no size-based throttling or waiting in queue.
Is BMP still a current format in 2026?
Windows-native; every image tool reads it. a 1920×1080 24-bit BMP is exactly 6,220,800 bytes of pixel data — you can compute a BMP's size on paper, which is why it's still used in teaching and embedded systems
Do I need to install anything to convert ART to BMP?
No installation. The converter is a web page — open it in any modern browser on Windows, macOS, Linux, iOS, or Android. ART decoding and BMP encoding both run via WebAssembly at native-adjacent speed.