# PDF & documents

> A network of 7 focused, deterministic tools. Every tool has a human page, a JSON API, an OpenAPI description and an MCP tool that all return the same result (inputs, result, units, assumptions, sources, timestamps).

## Machine interfaces
- Tool catalog (JSON): https://documents.usefulweb.site/api/v1/tools
- OpenAPI (all tools): https://documents.usefulweb.site/openapi.json
- MCP server (all tools + workflows): https://documents.usefulweb.site/mcp
- Pick a tool for a natural-language request: POST https://documents.usefulweb.site/api/v1/tools/prompt-to-tool-router/calculate {"request": "..."}

## Tools
- [Office to PDF Converter](https://officetopdfconverter.usefulweb.site/): Convert Word, Excel, PowerPoint, OpenDocument, RTF and CSV files to PDF with LibreOffice. API: POST https://documents.usefulweb.site/api/v1/tools/office-to-pdf-converter/calculate
- [PDF ↔ Image Converter](https://pdfimageconverter.usefulweb.site/): Turn PDF pages into PNG or JPG images, or combine images into a PDF without quality loss. API: POST https://documents.usefulweb.site/api/v1/tools/pdf-image-converter/calculate
- [PDF Compressor](https://pdfcompressor.usefulweb.site/): Make PDFs smaller with Ghostscript presets or custom image DPI and JPEG quality, with previews. API: POST https://documents.usefulweb.site/api/v1/tools/pdf-compressor/calculate
- [PDF Form & Signature Studio](https://pdfformsignaturestudio.usefulweb.site/): List and fill PDF form fields, and place a visible signature image or typed name on a page. API: POST https://documents.usefulweb.site/api/v1/tools/pdf-form-signature-studio/calculate
- [PDF Merge, Split & Reorder](https://pdfmergesplitreorder.usefulweb.site/): Merge PDFs, split by page count or ranges, and reorder, remove, rotate or duplicate pages. API: POST https://documents.usefulweb.site/api/v1/tools/pdf-merge-split-reorder/calculate
- [Searchable PDF OCR](https://searchablepdfocr.usefulweb.site/): Make scanned PDFs searchable and copyable with OCRmyPDF and Tesseract, optionally as PDF/A. API: POST https://documents.usefulweb.site/api/v1/tools/searchable-pdf-ocr/calculate
- [Secure PDF Redactor](https://securepdfredactor.usefulweb.site/): Black out names, numbers or areas in a PDF for real: the text is removed, not just covered. API: POST https://documents.usefulweb.site/api/v1/tools/secure-pdf-redactor/calculate

## Workflows