Convert tub to kra

Download and install the latest version of Filestar.
Right click on one or more Tub file(s) on your desktop and select Convert with Filestar.
Type convert to kra in the search box.
Press Convert.

Or let an AI agent do it: filestarcli -i photo.tub -c "convert to kra" (how).

Let your AI agent convert TUB to KRA

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

Or add it in one click:

Claude Code:

claude mcp add filestar -- npx -y [email protected] mcp

Then ask your agent:

“Convert the TUB files in my Downloads folder to KRA”

Or run it yourself:

filestarcli -i photo.tub -c "convert to kra"

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 TUB to KRA?

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

Using Filestar With AI Agents · Download SKILL.md

What is the difference between .tub and .kra?

Name: PaintShopPro Picture Tube; Krita Image File
Extension: .tub; .kra
Format: Binary; Binary
Category: Raster Image; Raster Image
Developer: Jasc Software; Native format of the Krita painting program, developed by the Krita Foundation.
Description: The TUB file type is specifically associated with PaintShop Pro, a popular image editing software developed by Corel. It represents a Picture Tube, which is essentially a collection of graphic elements that can be used to decorate or enhance images within the program. These elements can include objects, decorative motifs, or even themed sets of graphics that users can "stamp" onto their projects with ease. The Picture Tube format allows for creative flexibility, enabling users to apply multiple instances of these elements across their works in a seamless and efficient manner.; Image file saved by the Krita painting program. A Krita file is a zip archive holding the full layer stack: each layer's pixel data as compressed tiles, its name, position, opacity, blending mode and visibility, plus a merged preview of the whole image.
MIME Type: application/x-paintshoppro; application/x-krita
Wikipedia: .tub on Wikipedia; .kra on Wikipedia

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