Build document workflows without rebuilding Office.
Automate Word, Cell, and Show, build browser agents, render metafiles, and convert legacy Office documents.
const doc = sdk.getDocument();
const text = await doc.getText();
await doc.insertText("Built with Thinkfree SDK");
✓ Document updated through the Office SDK
One developer platform.Office SDKAgent SDKFile conversionInteractive playground
CHOOSE YOUR PATH
From first API call to production integration.
Each guide gets you to a working result first, then explains the system behind it.
01
Self-host on your computer
Run the complete Thinkfree Office environment locally and open documents directly from your machine.
Read container guide → 02Build with Office SDK
Control documents through a consistent developer-first API.
Read SDK docs → 03Try the playground
Explore guided SDK and AI SDK scenarios in an interactive workspace.
Open playground →
BUILT FOR DEVELOPERS
Document editing as an API surface.
Use familiar programming models for text, paragraphs, tables, formulas, slides, comments, and tracked changes.
560+public APIs across Word, Cell, and Show
292AI-ready tools in the current SDK
3document editors under one platform