Download and install the latest version of Filestar.
Right click on one or more Rt file(s) on your desktop and select Convert with Filestar.
Type convert to ssa in the search box.
Press Convert.
Or let an AI agent do it: filestarcli -i file.rt -c "convert to ssa" (how).
Documents - File Explorer─☐✕
This PC › Documents
Home
Desktop
Downloads
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Pictures
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.rtContract.rt
.xlsxBudget.xlsx
.pdfReport.pdf
.pngLogo.png
Filestar*Help✕
Drop files here to get started
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Let your AI agent convert RT to SSA
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 RT files in my Downloads folder to SSA”
Or run it yourself:
filestarcli -i file.rt -c "convert to ssa"
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 RT to SSA?
Yes. Install the Filestar CLI with npm install -g filestar and your agent can run filestarcli -i file.rt -c "convert to ssa" on your computer, so your files stay on it.
RealText is RealNetworks' markup format for timed text in RealPlayer. Captions sit in a <window> element, each starting at a <time begin> tag.
SubStation Alpha (SSA) is a text-based subtitle file format used for captioning video and audiovisual media. It is widely used in fan-made anime music videos, karaoke videos, and other fan-made video projects. SSA files contain the timing, positioning, and content of each subtitle, which can be edited and modified with text editing software.