TanStack
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TanStack Router is a type-safe, data-driven React router with built-in caching, prefetching, and nested layouts, while TanStack Start extends it into a full-stack SSR framework.
AI repository intelligence
FR-AI / ANALYSISWhy it is worth attention
It provides a comprehensive PDF toolkit that runs entirely in the browser without any server uploads, ensuring full privacy and security, and includes a retro arcade UI theme with support for dark mode.
Who it is for
- Privacy-conscious users who need to handle sensitive PDFs
- Developers looking for a self-hostable, open-source PDF tool
- Office workers who need quick PDF conversions and edits without cloud services
- Anyone wanting a free alternative to iLovePDF with no file size limits
Use cases
- Merging multiple PDFs into one document
- Converting JPG images or HTML content to PDF
- Adding watermarks or page numbers to PDFs
- Protecting PDFs with password encryption or removing passwords
Strengths
- 100% client-side processing ensures files never leave the device
- 16 tools cover merge, split, compress, encrypt, unlock, and various conversions
- Self-hostable static build easily deployable to Vercel or Cloudflare Pages
- Open source with MIT license and a retro arcade Y2K aesthetic
Considerations
- Office-to-PDF conversion (Word/Excel/PPT) is in beta and may fail on complex documents
- The Office WASM module (~55MB) requires separate download or build for self-hosting
- OCR, form filling, and batch processing are planned but not yet implemented
README quick start
🦘 KangPDF Free PDF Tools. Private & Secure. 100% Client-Side.
If KangPDF helps you, consider supporting the project.
KangPDF is a client-side PDF tool suite inspired by iLovePDF. All processing happens in your browser — your files never leave your device. No server, no uploads, no privacy concerns.
✨ Features
📄 Organize
| Tool | Description |
|---|---|
| Merge PDF | Combine multiple PDFs into one. Drag to reorder, preview thumbnails. |
| Split PDF | Split by custom ranges or fixed page count. Visual preview with range grouping. |
| Organize Pages | Multi-PDF page organizer. Drag thumbnails to reorder across files. Zoom in/out. |
| Extract Pages | Extract all or select specific pages. Range input + click-to-select thumbnails. |
✏️ Edit & Secure
| Tool | Description |
|---|---|
| Rotate PDF | Rotate individual pages 90°/180°/270° with thumbnail preview. |
| Compress PDF | Reduce file size by removing unused objects. |
| Add Watermark | Stamp text watermark with customizable opacity, size, and color. |
| Add Page Numbers | Insert page numbers with position, alignment, and font size options. |
| Protect PDF | Encrypt PDF with password protection. |
| Unlock PDF | Remove password from encrypted PDFs. |
🔄 Convert
| Tool | Description |
|---|---|
| JPG to PDF | Convert multiple images to PDF. Drag to reorder. |
| PDF to JPG | Render PDF pages as high-quality JPEG images. |
| HTML to PDF | Convert HTML content to PDF using browser rendering. |
🏢 Office beta
| Tool | Description | Status |
|---|---|---|
| Word to PDF | Convert DOCX to PDF via office2pdf WASM | ⚠️ Working — some complex documents may fail |
| Excel to PDF | Convert XLSX to PDF via office2pdf WASM | ⚠️ Experimental — known issues with some XLSX |
| PPT to PDF | Convert PPTX to PDF via office2pdf WASM | ⚠️ Working — complex layouts may vary |
Known Limitations: Office→PDF uses office2pdf (Rust → WASM, powered by Typst). It's under active development (v0.6.5). Some documents with special characters, complex Excel formatting, or embedded fonts may fail. Report issues to [
Description
Free PDF Tools. Private & Secure. 100% Client-Side. No server, no uploads. Your files never leave your device
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