A lightweight web application for previewing and testing PDF compatibility across 25+ tablet devices. Perfect for teams developing interactive PDFs who need to ensure their content looks great on every screen.
Tablet Tester eliminates the need for physical hardware testing by providing instant visual previews and compatibility analysis for PDFs across popular tablet devices. Simply drag and drop your PDF to see how it renders on iPads, Samsung Galaxy Tabs, Surface devices, and more.
- Drag & Drop Upload - Simple file upload with visual feedback
- Live PDF Preview - See your PDF rendered in a realistic tablet frame
- 25+ Device Analysis - Instant compatibility check across major tablet brands
- Smart Compatibility Detection - Viewport-based analysis of text readability and layout fit
- Detailed Tooltips - Hover over any device to see specific compatibility notes
- Beautiful UI - Modern, gradient-based design with smooth animations
- Zero Setup - No installation, frameworks, or dependencies required
- Download the
index.htmlfile - Open it in any modern web browser (Chrome, Firefox, Safari, Edge)
- Upload your PDF by dragging & dropping or clicking to browse
- Review the compatibility results across all devices
That's it! No server, no installation, no configuration needed.
- Clean, focused interface for PDF upload
- Supports drag & drop or click to browse
- File validation ensures only PDFs are accepted
- Fun, rotating messages during processing
- Smooth animations create a premium feel
- Processing time allows for proper PDF loading
- Main Preview: Your PDF displayed in an iPad Pro 12.9" frame
- Device Grid: 25 tablets with compatibility indicators
- Summary Stats: Quick overview of compatibility results
The app analyzes each device based on:
- Viewport dimensions vs PDF dimensions
- Scaling factor required to fit the PDF
- Estimated text readability at the computed scale
Results are categorized as:
- ✅ Excellent - Perfect fit, highly readable
⚠️ Good - Minor adjustments needed- ❌ Issues - Significant scaling or readability concerns
- iPad Pro 12.9"
- iPad Pro 11"
- iPad Air 10.9"
- iPad 10.2"
- iPad mini 8.3"
- Galaxy Tab S9 Ultra
- Galaxy Tab S9+
- Galaxy Tab S9
- Galaxy Tab A8
- Galaxy Tab S6 Lite
- Fire HD 10 Plus
- Fire HD 8 Plus
- Fire HD 10
- Fire HD 8
- Fire 7
- Surface Pro 9
- Surface Go 3
- Surface Pro 8
- Surface Pro X
- Surface Go 2
- Tab P12 Pro
- Tab P11 Plus
- Tab M10 Plus
- Tab P11
- Tab M8
- Technology: Pure HTML5, CSS3, and JavaScript
- Styling: Tailwind CSS (via CDN)
- PDF Rendering: Native browser PDF viewer (iframe)
- No Dependencies: Completely self-contained
- File Size: ~25KB (excluding external CDN)
- ✅ Chrome 90+
- ✅ Firefox 88+
- ✅ Safari 14+
- ✅ Edge 90+
Potential features for future versions:
- Dynamic device switching in the main preview
- Orientation toggle (landscape/portrait)
- Screenshot capture of PDF in tablet view
- Export functionality for compatibility reports
- Custom device profiles
- PDF.js integration for advanced PDF analysis
This is a lightweight, single-file application designed for simplicity. If you have suggestions or find issues, feel free to fork and modify for your needs.
This project is provided as-is for team use. Feel free to modify and distribute within your organization.
Created with ❤️ for teams who care about PDF quality across all devices.
Pro Tip: For production use, always validate on actual devices. This tool provides excellent preliminary testing but can't replace final hardware validation.