Download and install the latest version of Filestar.
Right click on one or more Dat file(s) on your desktop and select Convert with Filestar.
Type convert to heif in the search box.
Press Convert.
Or let an AI agent do it: filestarcli -i file.dat -c "convert to heif" (how).
Let your AI agent convert XOR Encrypted File to HEIF
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 XOR Encrypted File files in my Downloads folder to HEIF”
Or run it yourself:
filestarcli -i file.dat -c "convert to heif"
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 XOR Encrypted File to HEIF?
Yes. Install the Filestar CLI with npm install -g filestar and your agent can run filestarcli -i file.dat -c "convert to heif" on your computer, so your files stay on it.
A .dat file whose contents are encrypted with a simple XOR key. WeChat stores the images from its chats this way, and some other apps do the same with sound and documents. Filestar finds the key and restores the original file, such as a JPEG, PNG or GIF.
Based on HEVC (High-Efficiency Video Coding), the HEIF format is an image file container with one or multiple images and is the default image format for Apple Live Photos. It replaced the JPEG format as it's smaller in size and has lossless compression ensuring high-quality photos.
