46 lines
1.8 KiB
Markdown
46 lines
1.8 KiB
Markdown
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---
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title: PDF to JSON
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description: Convert PDF files to structured JSON format using CPDF. Exports PDF internal structure as machine-readable JSON data.
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---
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# PDF to JSON
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Converts one or more PDF files into JSON format. The tool uses CPDF (Coherent PDF) to serialize the internal structure of each PDF into a machine-readable JSON representation. The output is always delivered as a ZIP archive.
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## How It Works
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1. Select one or more PDF files using the file picker.
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2. Click **Convert** to start processing. The conversion runs in a background web worker.
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3. A ZIP archive downloads containing one JSON file for each input PDF.
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The status bar shows progress through the conversion and ZIP creation stages.
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## Options
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This tool has no configurable options. Each PDF is converted to its full JSON representation.
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## Output Format
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- A `pdfs-to-json.zip` file containing `filename.json` for each input PDF.
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The JSON output represents the PDF's internal object structure, including page trees, font references, metadata, and content streams.
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## Use Cases
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- Inspecting the internal structure of a PDF for debugging or validation.
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- Extracting structured metadata and page properties programmatically.
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- Feeding PDF structure data into custom processing pipelines.
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- Auditing PDF documents for compliance by analyzing their object trees.
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## Tips
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- This tool outputs the raw PDF object structure, not extracted text content. If you need page text in JSON format, use [Prepare PDF for AI](./prepare-pdf-for-ai) instead.
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- For plain text extraction, [PDF to Text](./pdf-to-text) is more straightforward.
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- Large PDFs with complex structures produce very large JSON files.
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## Related Tools
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- [PDF to Text](./pdf-to-text)
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- [Prepare PDF for AI](./prepare-pdf-for-ai)
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- [Extract Tables](./extract-tables)
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