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Merge pull request #45 from sumitsahoo/dev
Enhance PWA support and add PDF tools with caching improvements
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‎README.md‎

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## ✨ Features
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CloakPDF offers **30 powerful PDF tools**, all running 100% client-side:
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CloakPDF offers **33 powerful PDF tools**, all running 100% client-side:
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### 🗂️ Organise & Edit
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_Rearrange, combine, and manage your PDF pages_
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| Tool | Description |
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| ---------------------- | -------------------------------------------------------------------------------- |
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| **Merge PDFs** | Combine multiple PDF files into a single document with drag-to-reorder support |
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| **Extract Pages** | Select pages visually or by range (e.g., `1-3, 5, 7-9`) and save as a new PDF |
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| **Reorder Pages** | Drag and drop to rearrange page order with smooth animations |
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| **Delete Pages** | Select and remove unwanted pages visually |
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| **Rotate Pages** | Rotate individual pages by 90°, -90°, or 180° — or rotate all at once |
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| **Add Blank Page** | Insert a blank page at any position — dimensions match the adjacent page |
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| **Duplicate Page** | Copy any page and insert it at a chosen position in the document |
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| **Reverse Pages** | Flip the entire page order of a PDF in one click |
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| **Add Bookmarks** | Add a clickable outline so readers can jump to any page instantly |
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| **Remove Blank Pages** | Auto-detect and remove empty pages — adjustable sensitivity with manual override |
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| **File Attachments** | View, add, extract, or remove files embedded in a PDF |
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| Tool | Description |
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| ---------------------- | ------------------------------------------------------------------------------------------------ |
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| **Merge PDFs** | Combine multiple PDF files into a single document with drag-to-reorder support |
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| **Split PDF** | Divide a PDF into multiple separate files — split every page, every N pages, or at custom points |
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| **Extract Pages** | Select pages visually or by range (e.g., `1-3, 5, 7-9`) and save as a new PDF |
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| **Reorder Pages** | Drag and drop to rearrange page order with smooth animations |
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| **Delete Pages** | Select and remove unwanted pages visually |
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| **Rotate Pages** | Rotate individual pages by 90°, -90°, or 180° — or rotate all at once |
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| **Reverse Pages** | Flip the entire page order of a PDF in one click |
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| **Add Blank Page** | Insert a blank page at any position — dimensions match the adjacent page |
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| **Duplicate Page** | Copy any page and insert it at a chosen position in the document |
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| **Remove Blank Pages** | Auto-detect and remove empty pages — adjustable sensitivity with manual override |
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| **Add Bookmarks** | Add a clickable outline so readers can jump to any page instantly |
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| **File Attachments** | View, add, extract, or remove files embedded in a PDF |
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### ⚡ Transform & Convert
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_Compress, convert, and extract content_
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| Tool | Description |
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| ----------------- | ---------------------------------------------------------------------------------------------------------------------------------- |
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| **Compress PDF** | Reduce file size with 3 quality levels — Light, Balanced, and Maximum |
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| **PDF to Image** | Export pages as PNG or JPEG at 72 / 150 / 300 DPI — single file or ZIP |
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| **Images to PDF** | Convert images (PNG, JPEG) to PDF with A4, Letter, or Fit-to-Image page sizes |
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| **OCR PDF** | Extract text from scanned or image-based PDFs using Tesseract.js OCR |
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| **Crop Pages** | Trim page margins by setting a crop box (mm input, uniform or per-side); also removes existing crop boxes to restore the full page |
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| **Flatten PDF** | Remove interactive form fields and annotations, making the PDF non-editable |
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| **N-up Pages** | Arrange multiple pages onto a single sheet (2-up, 4-up, 9-up) for compact printing |
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| **Contact Sheet** | Render all pages as a thumbnail grid for quick visual review — export as PNG or PDF |
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| **Repair PDF** | Fix structural issues in corrupted or malformed PDFs by re-parsing and rebuilding the file |
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| **Grayscale PDF** | Convert all pages to grayscale — useful for print cost savings and black-and-white output |
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| Tool | Description |
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| ------------------ | ---------------------------------------------------------------------------------------------------------------------------------- |
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| **Compress PDF** | Reduce file size with 3 quality levels — Light, Balanced, and Maximum |
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| **PDF to Image** | Export pages as PNG or JPEG at 72 / 150 / 300 DPI — single file or ZIP |
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| **Images to PDF** | Convert images (PNG, JPEG) to PDF with A4, Letter, or Fit-to-Image page sizes |
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| **OCR PDF** | Extract text from scanned or image-based PDFs using Tesseract.js OCR |
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| **Extract Images** | Pull all embedded raster images from a PDF — preview, select, and download individually or as a ZIP |
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| **Crop Pages** | Trim page margins by setting a crop box (mm input, uniform or per-side); also removes existing crop boxes to restore the full page |
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| **Flatten PDF** | Remove interactive form fields and annotations, making the PDF non-editable |
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| **Grayscale PDF** | Convert all pages to grayscale — useful for print cost savings and black-and-white output |
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| **N-up Pages** | Arrange multiple pages onto a single sheet (2-up, 4-up, 9-up) for compact printing |
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| **Contact Sheet** | Render all pages as a thumbnail grid for quick visual review — export as PNG or PDF |
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| **Repair PDF** | Fix structural issues in corrupted or malformed PDFs by re-parsing and rebuilding the file |
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### ✍️ Annotate & Sign
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| **Fill PDF Form** | Fill text fields, checkboxes, dropdowns, and radio groups in interactive PDF forms |
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| **Stamp & Watermark** | Apply pre-built stamps (DRAFT, APPROVED, CONFIDENTIAL, etc.) in text or seal style, or add a custom text watermark with configurable colour, rotation, and opacity |
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| **Add Page Numbers** | Insert page numbers with 6 position options, 4 formats, and custom styling |
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| **Bates Numbering** | Stamp sequential identifiers (prefix + zero-padded number + suffix) for legal and compliance workflows |
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| **Header & Footer** | Add repeating text (with `{{page}}` / `{{total}}` tokens) at the top and bottom of every page |
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| **Bates Numbering** | Stamp sequential identifiers (prefix + zero-padded number + suffix) for legal and compliance workflows |
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### 🔐 Security & Properties
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| **PDF Password** | Add or remove a password and control print, copy, and edit rights |
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| **Redact PDF** | Permanently black out sensitive text and images |
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| **Edit Metadata** | View and edit document properties like title, author, subject, keywords, and dates |
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| **Compare PDFs** | Visual side-by-side diff of two PDFs with pixel-level change detection and diff overlay |
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| **PDF Inspector** | View version, page count, dimensions, metadata, and encryption status without modifying |
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---

‎package.json‎

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"pdfjs-dist": "^5.6.205",
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"react": "^19.2.5",
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"react-dom": "^19.2.5",
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"tesseract.js": "^7.0.0"
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"tesseract.js": "^7.0.0",
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"workbox-window": "^7.4.0"
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},
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"devDependencies": {
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"@tailwindcss/vite": "^4.2.2",

‎pnpm-lock.yaml‎

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‎public/icons/og-image.png‎

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‎public/icons/og-image.svg‎

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‎public/screenshots/iPad.png‎

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‎public/screenshots/iPhone.png‎

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