# PDFnology by Dealnology (https://pdf.dealnology.com) — Full Technical & Agentic Reference (llms-full.txt)

> PDFnology (`https://pdf.dealnology.com`) is a 100% free, zero-upload, browser-first PDF processing suite built with WebAssembly (`pdf-lib` v1.17.1, `PDF.js` v3.11.174, `Tesseract.js` v5, `SheetJS` v0.18.5, `Mammoth.js` v1.6.0, `JSZip` v3.10.1) and HTML5 Canvas APIs. Every document is processed strictly inside the user's local browser RAM with zero server uploads, no account registration, no email gating, and zero watermarks.

## Supported International Locales (8 Languages + Bidirectional Hreflang)
- **English (Global Default):** `https://pdf.dealnology.com/<tool-slug>` (`en`, `en-IN`, `en-US`, `en-GB`, `x-default`)
- **Hindi (हिन्दी - भारत):** `https://pdf.dealnology.com/hi/<tool-slug>` (`hi-IN`, `hi`)
- **Spanish (Español):** `https://pdf.dealnology.com/es/<tool-slug>` (`es`, `es-ES`, `es-MX`)
- **French (Français):** `https://pdf.dealnology.com/fr/<tool-slug>` (`fr`, `fr-FR`)
- **German (Deutsch):** `https://pdf.dealnology.com/de/<tool-slug>` (`de`, `de-DE`)
- **Portuguese (Português):** `https://pdf.dealnology.com/pt/<tool-slug>` (`pt`, `pt-BR`, `pt-PT`)
- **Indonesian (Bahasa Indonesia):** `https://pdf.dealnology.com/id/<tool-slug>` (`id-ID`, `id`)
- **Arabic (العربية - RTL):** `https://pdf.dealnology.com/ar/<tool-slug>` (`ar`)

## Agentic Markdown Content Negotiation & WebMCP
- Any tool URL on `https://pdf.dealnology.com` supports `Accept: text/markdown`, `.md` suffix (e.g. `https://pdf.dealnology.com/compress-pdf.md`), or `?format=md`.
- Pages register imperative WebMCP tools (`search_pdf_tools`, `open_pdf_tool`) on `document.modelContext` / `navigator.modelContext` with `readOnlyHint: true`.

## Complete Directory of 39 Browser-First PDF Tools

### 1. Optimize, Compress & Exact KB Target Tools
- **Compress PDF (`https://pdf.dealnology.com/compress-pdf`):** Multi-pass binary-search KB calibration (50KB, 100KB, 150KB, 200KB, 300KB, 500KB, 1MB) + Recommended 150 DPI Smart Mode.
- **Compress PDF to 50KB (`https://pdf.dealnology.com/compress-pdf-to-50kb`):** Strict <50KB calibration for 1-page ID proofs and exam portals.
- **Compress PDF to 100KB (`https://pdf.dealnology.com/compress-pdf-to-100kb`):** Strict <100KB calibration for SSC, UPSC, IBPS, Aadhaar, PAN, and scholarship portals.
- **Compress PDF to 150KB (`https://pdf.dealnology.com/compress-pdf-to-150kb`):** Strict <150KB calibration for marksheets and affidavits.
- **Compress PDF to 200KB (`https://pdf.dealnology.com/compress-pdf-to-200kb`):** Strict <200KB calibration without losing text clarity.
- **Compress PDF to 300KB (`https://pdf.dealnology.com/compress-pdf-to-300kb`):** Multi-page PDF compression strictly under 300KB.
- **Compress PDF to 500KB (`https://pdf.dealnology.com/compress-pdf-to-500kb`):** Multi-page report and scanned contract compression under 500KB.
- **Compress PDF to 1MB (`https://pdf.dealnology.com/compress-pdf-to-1mb`):** Compress large PDFs below 1MB (1024KB) for email attachments.
- **Repair PDF (`https://pdf.dealnology.com/repair-pdf`):** Rebuild corrupted XREF tables and sharpen blurry scanned PDFs with adaptive contrast filters.
- **OCR PDF (`https://pdf.dealnology.com/ocr-pdf`):** Client-side optical character recognition in 12+ languages to convert scanned PDFs into searchable text and Word (.docx).

### 2. Organize, Merge, Split & Scan PDF Tools
- **Merge PDF (`https://pdf.dealnology.com/merge-pdf`):** Combine unlimited PDF files with drag-and-drop reordering and optional post-merge KB compression.
- **Split PDF (`https://pdf.dealnology.com/split-pdf`):** Split PDF by custom page ranges, fixed N-page chunks, or extract every page into a ZIP without email signup.
- **Extract Pages from PDF (`https://pdf.dealnology.com/extract-pages-from-pdf`):** Visually click thumbnails to extract selected pages into a new clean PDF.
- **Remove Pages from PDF (`https://pdf.dealnology.com/remove-pages-from-pdf`):** Delete unwanted or blank pages from any PDF in 1 click.
- **Organize PDF (`https://pdf.dealnology.com/organize-pdf`):** Reorder, rotate, duplicate, insert blank pages, or delete pages visually.
- **Rotate PDF (`https://pdf.dealnology.com/rotate-pdf`):** Rotate individual pages or all pages 90°/180° and save permanently.
- **Scan to PDF (`https://pdf.dealnology.com/scan-to-pdf`):** Live mobile/webcam document scanner with Magic B&W / High-Contrast filters and exact KB output targeting.
- **Merge Front & Back ID / Aadhaar PDF (`https://pdf.dealnology.com/merge-aadhaar-pdf`):** Combine front and back of ID cards onto a single A4 page or 2-page PDF.

### 3. Pro Edit, Sign, Annotate & Redact Studio Tools
- **Sign PDF Studio (`https://pdf.dealnology.com/sign-pdf`):** Interactive 3-mode studio (`Edit & Annotate`, `Fill & Sign`, `Organize Pages`) with 3-tab Signature Creator (Draw smooth Bezier ink, Type in 4 cursive fonts, Upload image with automatic white-background removal), date/verified stamps, initials, and multi-page placement.
- **Edit PDF Studio (`https://pdf.dealnology.com/edit-pdf`):** Full WYSIWYG canvas editor to edit/replace existing text (whiteout + matched text), add text boxes, freehand pencil, highlighter, shapes, stamps, and images.
- **Crop PDF (`https://pdf.dealnology.com/crop-pdf`):** Trim white margins, crop e-commerce shipping labels (Amazon/Flipkart/Meesho), or resize to A4/Letter.
- **Redact PDF (`https://pdf.dealnology.com/redact-pdf`):** Permanently burn black-out redaction boxes over sensitive text/IDs and flatten into non-recoverable rasterized pages.
- **Add Page Numbers (`https://pdf.dealnology.com/add-page-numbers`):** Insert standard or Roman numerals (`i, ii, iii`) in any header/footer position with custom start page and cover skip.
- **Add Watermark (`https://pdf.dealnology.com/add-watermark`):** Stamp custom text or image watermarks with adjustable rotation, opacity, and font size.
- **PDF Metadata Editor (`https://pdf.dealnology.com/pdf-metadata-editor`):** View, edit, or strip hidden Title, Author, Subject, Creator, and Keywords metadata.

### 4. Convert to & from PDF Tools
- **PDF to Word (`https://pdf.dealnology.com/pdf-to-word`):** Convert digital or scanned PDFs into editable Word (.docx) with OCR fallback.
- **PDF to Excel (`https://pdf.dealnology.com/pdf-to-excel`):** Reconstruct PDF rows and columns into multi-sheet Excel (`.xlsx`) and `.csv` workbooks.
- **PDF to PowerPoint (`https://pdf.dealnology.com/pdf-to-ppt`):** Convert PDF pages into widescreen 16:9 PowerPoint (`.pptx`) presentation decks.
- **PDF to JPG 600 DPI (`https://pdf.dealnology.com/pdf-to-jpg`):** Export PDF pages as 150/300/600 DPI JPG, PNG, or WebP images with exact KB caps.
- **PDF to PDF/A (`https://pdf.dealnology.com/pdf-to-pdfa`):** Convert PDF to ISO-compliant archival PDF/A-1b, PDF/A-2b, or PDF/A-3b with embedded XMP metadata.
- **PDF Text Extractor (`https://pdf.dealnology.com/pdf-text-extractor`):** Extract plain text page-by-page to `.txt`.
- **Word to PDF (`https://pdf.dealnology.com/word-to-pdf`):** Convert `.docx` files into paginated A4/Letter PDFs.
- **Excel to PDF (`https://pdf.dealnology.com/excel-to-pdf`):** Convert `.xlsx`/`.csv` spreadsheets to PDF with One-Page Fit and Landscape layout.
- **PowerPoint to PDF (`https://pdf.dealnology.com/ppt-to-pdf`):** Convert `.pptx` presentations into high-clarity slide or handout PDFs.
- **JPG to PDF (`https://pdf.dealnology.com/jpg-to-pdf`):** Combine JPG/PNG/WebP photos into A4 PDF with margin and target KB controls.
- **JPG to PDF Under 100KB (`https://pdf.dealnology.com/jpg-to-pdf-under-100kb`):** Convert camera photos directly into a <100KB PDF.
- **HTML to PDF (`https://pdf.dealnology.com/html-to-pdf`):** Render `.html` files or pasted HTML/CSS code into clean multi-page PDFs with zero watermarks.

### 5. PDF Security Tools
- **Unlock PDF (`https://pdf.dealnology.com/unlock-pdf`):** Remove passwords and editing/printing restrictions from Aadhaar, bank statements, and protected PDFs.
- **Protect PDF (`https://pdf.dealnology.com/protect-pdf`):** Lock and flatten PDF pages into tamper-proof read-only documents or apply owner watermarks.