Convert mef to jxl

  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 jxl in the search box.

  4. Press Convert.

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

Let your AI agent convert MEF to JXL

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 JXL”

Or run it yourself:

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

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 JXL?

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

Using Filestar With AI Agents · Download SKILL.md

What is the difference between .mef and .jxl?

Extension
.mef
.jxl
Format
Binary
Binary
Category
Camera
Raster Image
Developer
Mamiya
Joint Photographic Experts Group
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.
A JPEG XL file is an image saved in a compressed graphic format currently under development by the Joint Photographic Experts Group (JPEG). It supports wide color gamut and HDR (High Dynamic Range), alpha channels and animation frames while providing visually lossless compression. Images can be converted back and forth between JPEG XL and JPEG without loss of quality. Converting a regular JPEG to JPEG XL reduces the file size by 22%. JPEG XL files can be used to store any type of image content.
MIME Type
image/x-mef
image/jpegxl

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