Download and install the latest version of Filestar.
Right click on one or more Jbg file(s) on your desktop and select Convert with Filestar.
Type convert to bpg in the search box.
Press Convert.
Or let an AI agent do it: filestarcli -i photo.jbg -c "convert to bpg" (how).
Documents - File Explorer─☐✕
This PC › Documents
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Desktop
Downloads
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Pictures
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.jbgContract.jbg
.xlsxBudget.xlsx
.pdfReport.pdf
.pngLogo.png
Filestar*Help✕
Drop files here to get started
ConvertMergeCompressExtractMoveZip
Let your AI agent convert JBG to BPG
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 JBG files in my Downloads folder to BPG”
Or run it yourself:
filestarcli -i photo.jbg -c "convert to bpg"
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 JBG to BPG?
Yes. Install the Filestar CLI with npm install -g filestar and your agent can run filestarcli -i photo.jbg -c "convert to bpg" on your computer, so your files stay on it.
Created by JBIG (Joint Bi-level Image Experts Group), JBG is a lossless file format that contains both colored and monochrome images. Commonly used to compress fax images, and it has better compression than G3 and G4 compression codecs.
Better Portable Graphics (BPG) image format created to replace the JPEG format; provides the same quality as JPEG images but in a smaller file size; supports lossless compression; natively supports 8 to 14 bits per channel.