3FR Converter
Convert files to and from 3FR online for free. Fast, secure, and high-quality file conversion with no sign-up or software required.
Maximum file size is 1GB
Like RunConvert? Set us as a preferred source on Google.
Add to Preferred SourcesHow it works
Three steps to your converted file
Everything happens in your browser tab - upload, pick a format, download. The heavy lifting runs on our servers.
Upload your file
Drag and drop, click to browse, or paste a URL. Batches take up to 20 files at once - 230+ input formats across video, audio, image, document, and archive types.
Choose an output format
Pick from over a hundred output formats. Filter by category or search by name - every option is open to everyone, no account needed.
Convert & download
Hit Convert and grab your download link moments later. Originals are erased when the job completes; results are cleared within about an hour.
What is a 3FR file?
The 3FR file extension denotes a proprietary raw image format developed by Hasselblad for its H-system and V-system digital camera backs. Structurally based on the TIFF/EP standard (ISO 12234-2), it contains unprocessed sensor data captured via the Bayer filter mosaic, utilizing a custom lossless compression algorithm to preserve 16-bit color depth. Unlike standard raw files, 3FR files are designed to be converted into the Hasselblad 3F container (FFF) via the Phocus software ecosystem to fully embed color calibration and lens correction metadata.
How to open a 3FR file
Due to its proprietary nature, native OS support for 3FR is limited without specific codec packs. The primary method for accessing these files is Hasselblad's proprietary Phocus software or the Adobe Creative Cloud suite (Photoshop and Lightroom) using the Adobe Camera Raw plugin. For viewing without editing, users on macOS can utilize Apple Preview (if the specific camera model is supported by Core Image), while Windows users may require the Microsoft Camera Codec Pack or third-party viewers like IrfanView.
3FR Technical Info
- Full Name
- Hasselblad 3F RAW
- Developed By
- Hasselblad
- Initial Release
- 2002
- MIME Type
- image/x-hasselblad-3fr
More tools
Related conversions
Why RunConvert
The fastest way to convert any file
Purpose-built for speed, privacy, and breadth of format support.
3,000+ conversions supported
Every popular and niche format covered - video, audio, image, document, archive and more. New formats added regularly.
Fast, cloud-powered
No queue, no waiting. Files are processed on high-performance servers and returned in seconds, even for large files.
Secure & private
Encrypted in transit and never shared with anyone. Uploads are erased the moment your job completes, and results shortly after.
Free - no account needed
Convert without creating an account - no credit card, no trial clock. Sign in only if you want history and higher daily limits.