LightPDF
AI PDF Editor, Converter & Chat with PDF
About this tool
LightPDF is a full PDF toolkit with AI built in. On the web, desktop, and mobile, it lets you edit text, annotate, e-sign, fill forms, convert to and from Word, Excel, PPT, and images, and run accurate OCR on scans. Its GPT-powered “Chat with PDF” answers questions about a document, summarizes long reports, and supports 100+ languages. The desktop apps add robust tools for protecting, merging/splitting, compressing, and creating forms. LightPDF runs on Windows, macOS, iOS, and Android, and supports quick sharing and collaboration via links. A freemium plan covers core tasks; VIP plans unlock all PDF and AI tools and work across devices. The service emphasizes security with encryption and compliance (ISO 27001/27701, GDPR), making it suitable for business and education use.
Use Cases
- Office document workflows
- Contract e-signing
- Study & research summaries
- Form filling & scanning
- File conversion & compression
- Multi-device PDF editing
Key Features
- Edit & annotate PDFs
- PDF↔Word/Excel/PPT/Image
- OCR (scans to editable text)
- Merge/Split/Compress/Protect
- E-sign & form fill
- AI Chat with PDF & summaries
- Translate & rewrite text
- Generate PDF/PPT with AI
- Cloud share & collaboration
- iOS/Android & desktop apps
