Open .brik Files Online — Free BRIK Viewer
Open BRIK 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 .brik File?
A .brik file is a medical format known as BRIK. AFNI Brain Data This format is created by AFNI and is widely used by radiologists and clinicians.
BRIK files contain structured medical data that requires compatible software to open. With OpenAnyFile, you can view and reconstruct .brik files directly in your browser without installing any software.
How to Open .brik Files Online
- Visit OpenAnyFile BRIK page
- Drag and drop your .brik file onto the upload area, or click "Browse" to select it
- OpenAnyFile automatically detects the BRIK format using magic byte analysis
- View, analyze, and view and reconstruct your file contents in the browser
- Optionally convert to NII, DICOM or download
Software That Opens .brik Files
.brik files are primarily created by AFNI. In the medical space, you may encounter .brik files from third-party tools, online converters, or export functions. Regardless of the source, OpenAnyFile handles them all.
Open .brik on Different Platforms
- Windows: Use the original software or upload to OpenAnyFile for instant access
- macOS: Preview may not support .brik — 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 .brik File Problems
Paired .HEAD required
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 BRIK to Other Formats
BRIK files can be converted to 2 formats including NII, DICOM.
Related Medical Formats
If you work with .brik files, you may also encounter these medical formats:
- ANALYZE (.hdr) — Open & convert .hdr files online
- Analyze 7.5 (.hdr) — Open & convert .hdr files online
- Analyze Image (.img) — Open & convert .img files online
- ANNOT (.annot) — Open & convert .annot files online
- ARTEMIS (.art) — Open & convert .art files online
- BDF (.bdf) — Open & convert .bdf files online
- BEDPOSTX (.bedpostX) — Open & convert .bedpostX files online
- BIDS (.json) — Open & convert .json files online
- BIF (.bif) — Open & convert .bif files online
- BRAINVISA (.arg) — Open & convert .arg files online
Popular BRIK Conversions
Frequently Asked Questions
What is a .brik file?
A .brik file is a medical format called BRIK. AFNI Brain Data
How do I open a .brik file without installing software?
Upload your .brik file to OpenAnyFile. Our browser-based tool instantly detects and displays it — no downloads needed.
What program creates .brik files?
.brik files are typically created by AFNI.
Can I convert .brik to another format?
Yes. OpenAnyFile converts .brik to NII, DICOM.
Is it safe to open .brik files online?
Yes. OpenAnyFile processes files in a secure, isolated environment. Files are automatically deleted and all transfers use HTTPS.
Can I open .brik on my phone?
Yes. OpenAnyFile works on all mobile browsers including iPhone and Android.