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Synti ships a set of document tools so the agent can work with the file formats you deal with every day — PDFs, Office documents, spreadsheets, images, and calendars. It can pull text out of a report, build a Word document from a draft, convert a spreadsheet, resize an image, or read the events in a calendar file, all without leaving the session.

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The toolset

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What each format supports

Extract text from a document, merge several PDFs into one, split a file by page, and read metadata such as page count and file size.
Read specific sheets, export data to Excel, convert CSV to .xlsx, and work across multiple sheets in one workbook.
Create a document from plain text or Markdown, with support for titles, headings, and basic formatting.
Read and inspect the contents of a presentation.
Resize to specific dimensions, convert between supported formats, and query dimensions and metadata.
Parse events and pull out details like title, date, time, location, and attendees.

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How the agent uses them

You don’t call these tools by hand. Point the agent at a file and describe what you want — “pull the tables out of this PDF,” “turn this outline into a Word doc,” “resize these screenshots to 800px wide” — and it selects the right tool. A few behaviors are worth knowing:
  • Automatic fallback. If a binary file can’t be read by a dedicated tool, Synti converts it through markitdown so the agent can still work with the text.
  • Output location. Newly created files are written to the current working directory, or to a path you specify. See Working directory.
  • Chaining. Tools compose. The agent can, for example, split a PDF, convert each part to Markdown, and summarize the result in a single flow.
  • Built-in help. Every tool documents its own options behind a --help flag, which the agent consults when it needs the exact syntax.
Add a source pointing at a folder of documents and the agent can batch-process them — convert a directory of .docx files, or diff two versions of a contract — in one request.

Rich output

See PDFs, spreadsheets, and tables rendered inline.

Working directory

Where files are read from and written to.