Open .arj Files Online — Free ARJ Viewer
Open ARJ File Online — Free & Instant
No signup required. Works in your browser.
📁 Drag & drop your file here
or click to browse • Max 100MB
✅ Free • ⚡ Instant • 🔒 Secure • 💻 No install
What Is a .arj File?
A .arj file is a archive format known as ARJ. ARJ Compressed Archive This format is created by Robert Jung and is widely used by IT professionals and end users.
ARJ files contain structured archive data that requires compatible software to open. With OpenAnyFile, you can extract and inspect .arj files directly in your browser without installing any software.
How to Open .arj Files Online
- Visit OpenAnyFile ARJ page
- Drag and drop your .arj file onto the upload area, or click "Browse" to select it
- OpenAnyFile automatically detects the ARJ format using magic byte analysis
- View, analyze, and extract and inspect your file contents in the browser
- Optionally convert to ZIP, TAR, 7Z or download
Software That Opens .arj Files
.arj files are primarily created by Robert Jung. In the archive space, you may encounter .arj files from third-party tools, online converters, or export functions. Regardless of the source, OpenAnyFile handles them all.
Open .arj on Different Platforms
- Windows: Use the original software or upload to OpenAnyFile for instant access
- macOS: Preview may not support .arj — use OpenAnyFile as a universal viewer
- Linux: Open-source alternatives exist, or use OpenAnyFile in any browser
- Mobile (iPhone/Android): OpenAnyFile works on all mobile browsers
Common .arj File Problems
DOS era legacy
Other common issues include: your OS not recognizing the file extension, the file appearing corrupted after download, or lacking the required software. OpenAnyFile bypasses all these issues with universal format detection.
Convert ARJ to Other Formats
ARJ files can be converted to 3 formats including ZIP, TAR, 7Z.
Related Archive Formats
If you work with .arj files, you may also encounter these archive formats:
- 7Z (.7z) — Open & convert .7z files online
- ACE (.ace) — Open & convert .ace files online
- AppImage (AppImage) — Open & convert AppImage files online
- Brotli (br) — Open & convert br files online
- BROTLI (.br) — Open & convert .br files online
- BZ2 (.bz2) — Open & convert .bz2 files online
- CAB (.cab) — Open & convert .cab files online
- CPIO (.cpio) — Open & convert .cpio files online
- DEB (.deb) — Open & convert .deb files online
- DMG (.dmg) — Open & convert .dmg files online
Popular ARJ Conversions
Frequently Asked Questions
What is a .arj file?
A .arj file is a archive format called ARJ. ARJ Compressed Archive
How do I open a .arj file without installing software?
Upload your .arj file to OpenAnyFile. Our browser-based tool instantly detects and displays it — no downloads needed.
What program creates .arj files?
.arj files are typically created by Robert Jung.
Can I convert .arj to another format?
Yes. OpenAnyFile converts .arj to ZIP, TAR, 7Z.
Is it safe to open .arj files online?
Yes. OpenAnyFile processes files in a secure, isolated environment. Files are automatically deleted and all transfers use HTTPS.
Can I open .arj on my phone?
Yes. OpenAnyFile works on all mobile browsers including iPhone and Android.