Convert mef to g4

  1. Download and install the latest version of Filestar.

  2. Right click on one or more Mef file(s) on your desktop and select Convert with Filestar.

  3. Type convert to g4 in the search box.

  4. Press Convert.

Or let an AI agent do it: filestarcli -i file.mef -c "convert to g4" (how).

Let your AI agent convert MEF to G4

Claude Code, Codex, Cursor and other agents can do this on your computer with Filestar. Your files stay on your machine.

Install Filestar and add it to your agents:

npm install -g filestar
filestarcli agent install

Then ask your agent:

“Convert the MEF files in my Downloads folder to G4”

Or run it yourself:

filestarcli -i file.mef -c "convert to g4"

Runs on your computer, so your files stay on it. Works on Windows, macOS and Linux. 50 free conversions with the npm install, no account needed.

Can my AI agent convert MEF to G4?

Yes. Install the Filestar CLI with npm install -g filestar and your agent can run filestarcli -i file.mef -c "convert to g4" on your computer, so your files stay on it.

Using Filestar With AI Agents · Download SKILL.md

What is the difference between .mef and .g4?

Extension
.mef
.g4
Format
Binary
Binary
Category
Camera
Fax
Developer
Mamiya
Computer Fax Systems (CFS)
Description
The MEF file format stands for Mamiya RAW Image and is used to store images captured by Mamiya digital cameras, a brand known for its medium format cameras and lenses. Similar to other RAW image formats, MEF files contain all the data captured by the camera's sensor, without any in-camera processing or compression. This allows photographers to have greater control over photo editing, enabling them to adjust exposure, white balance, and other parameters without loss of image quality.
Group 4 (G4) used for black and white lossless compression to maintain high-quality images, commonly used in TIFF format compression by fax machines. A picture is seen as black dots and lines on a blank page; the fewer the dots and lines are, the lesser the file size.
MIME Type
image/x-mef
image/g4fax

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