3FR to PS Converter

Convert 3FR to PS online for free. Fast, secure, and high-quality conversion with no sign-up or software required.

Free to useNo file stored beyond 1 hourEncrypted over TLS 1.2/1.3No watermarks

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Maximum file size is 1GB

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How 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

What is a PS file?

PostScript (PS) is a dynamically typed, concatenative page description language developed by Adobe Systems, serving as the predecessor to the PDF format. It describes text and graphics on a page using vector graphics instructions rather than rasterized pixels, making it resolution-independent. A PS file contains a program written in the PostScript language, which is interpreted by a Raster Image Processor (RIP) to generate the print output. It supports distinct imaging models, including Type 1 fonts and color separations, and became the standard for desktop publishing and high-end printing workflows in the 1980s and 90s.

How to open a PS file

Opening PS files requires software capable of interpreting the PostScript language, as modern OS image viewers do not support it natively. Ghostscript is the standard open-source interpreter used to view and convert PS files. For GUI-based editing and viewing, Adobe Illustrator and CorelDRAW can import PS files. Users can also convert PS files to PDF using tools like ps2pdf (part of the Ghostscript suite) for easier accessibility.

PS Technical Info

Full Name: PostScript
Developed By: Adobe Systems
Initial Release: 1982
MIME Type: application/postscript

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Why RunConvert

The fastest way to convert any file

Purpose-built for speed, privacy, and breadth of format support.

Convert 3FR to PS in seconds

Every 3FR to PS conversion runs on our servers, so your device stays fast and the output quality stays intact.

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

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Developer API

Convert 3FR to PS via API

Automate 3FR to PS conversions in three steps: create a job, upload your file, then poll for the result.

# 1. Create job
curl -X POST https://api.runconvert.com/v3/jobs \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "tag": "3fr-to-ps",
    "tasks": {
      "upload-file": {
        "operation": "import/upload"
      },
      "convert": {
        "operation": "convert",
        "input": "upload-file",
        "output_format": "ps"
      },
      "export-result": {
        "operation": "export/url",
        "input": "convert"
      }
    }
  }'

# 2. Upload your file (use upload_url from the response)
curl -X PUT "$UPLOAD_URL" --upload-file input.3fr

# 3. Poll for result
curl https://api.runconvert.com/v3/jobs/$JOB_ID?include=tasks \
  -H "Authorization: Bearer YOUR_API_KEY"

Replace YOUR_API_KEY with your RunConvert API key. Get your free API key at runconvert.com/api.