What inputs does Document Structure Analyzer support?
This tool currently accepts PDF, Word, PowerPoint, Excel, HTML, image. After upload, Kitlot passes the file through Docling for parsing and conversion.
Document Structure Analyzer
Analyze headings, layout, table count, and text structure in one JSON result.
ProductivityAPIStatic billingFree
Local DoclingStructured output
Selected file
One file at a time. Keep uploads under 20MB.
Accepted formats: PDF, Word, PowerPoint, Excel, HTML, imagePrimary output: structured JSON
About this tool
Analyze headings, layout, table count, and text structure in one JSON result.
ProductivityAPIStatic billingPublic
Tool facts
Execution type: API
Credit cost: Free
Billing unit: 1 document
Supported locales: English, Chinese
Last updated: Apr 14, 2026
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Published articles and notes currently linked to this tool.
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Frequently asked questions
What does Document Structure Analyzer return?
The primary output is structured JSON. Returns headings, layout cues, table counts, and document stats.
How to use this tool
1
Choose a file
Open Document Structure Analyzer and choose one supported document.
2
Run
Kitlot sends the file through the local Docling conversion flow.
3
Review and export
After processing, review, copy, or download the structured JSON result.