Download and install the latest version of Filestar.
Right click on one or more Gbr file(s) on your desktop and select Convert with Filestar.
Type convert to npm in the search box.
Press Convert.
Or let an AI agent do it: filestarcli -i photo.gbr -c "convert to npm" (how).
Documents - File Explorer─☐✕
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.gbrContract.gbr
.xlsxBudget.xlsx
.pdfReport.pdf
.pngLogo.png
Filestar*Help✕
Drop files here to get started
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Let your AI agent convert GBR to NPM
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 GBR files in my Downloads folder to NPM”
Or run it yourself:
filestarcli -i photo.gbr -c "convert to npm"
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 GBR to NPM?
Yes. Install the Filestar CLI with npm install -g filestar and your agent can run filestarcli -i photo.gbr -c "convert to npm" on your computer, so your files stay on it.
The GBR file format is associated with GIMP (GNU Image Manipulation Program), a freely distributed image editing software. It is specifically used to store custom brush designs that can be used within the GIMP software for various drawing and painting purposes. These brush files allow users to create and save their own brush patterns, shapes, and textures, enhancing their digital artwork and editing capabilities. The GBR format enables easy sharing and distribution of custom brushes within the GIMP user community.
The npm file type, associated with Neopaint Mask, is a specific format used by Neopaint, a painting and image editing software. These files typically contain mask data that can be applied to images within the Neopaint program, allowing users to selectively edit, enhance, or manipulate parts of an image. Npm files are used to preserve the mask settings and configurations, enabling users to reapply or adjust the mask in future editing sessions. This file type is particularly useful for graphic artists and photographers who require precise control over selective editing in their digital workflows.
