Convert jss to smi

Download and install the latest version of Filestar.
Right click on one or more Jss file(s) on your desktop and select Convert with Filestar.
Type convert to smi in the search box.
Press Convert.
Or let an AI agent do it: filestarcli -i file.jss -c "convert to smi" (how).

Let your AI agent convert JSS to SMI

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 JSS files in my Downloads folder to SMI”

Or run it yourself:

filestarcli -i file.jss -c "convert to smi"

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 JSS to SMI?

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

Using Filestar With AI Agents →

What is the difference between .jss and .smi?

Name: JACOsub Subtitles; Synchronized Accessible Media Interchange
Extension: .jss; .smi
Format: Text; Text
Category: Subtitles; Subtitles
Developer: Microsoft
Description: JACOsub is a plain-text subtitle format from the JACOsub editor. Each line holds a start and end time, a directive and the text, and # lines set options such as the time resolution.; SMI (Synchronized Accessible Media Interchange) is a file type associated with multimedia presentation files. It is used to store captions and subtitles for multimedia files as well as other data such as timing information, font information, and language information. It is commonly used for videos, DVDs, and other multimedia content.
MIME Type: text/plain; application/smil+xml
Sample: sample.jss
Wikipedia: .smi on Wikipedia

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