LightPDF

LightPDF is an AI-powered, cloud-based PDF editor and converter for students, freelancers, small teams, and everyday users who need to view, edit, convert, and understand documents across web, desktop (Windows, macOS), and mobile (iOS, Android).

Key capabilities include:

• AI Chat with documents (ChatPDF) to ask questions, summarize, extract, explain, and analyze content from uploaded files or URLs
• PDF editing and management including editing text, images, and links, adding annotations and comments, merging and compressing files, and page-level cleanup (delete/whiteout content)
• Conversion and creation between PDF and formats such as DOC/DOCX, XLS/XLSX, PPT/PPTX, JPG/PNG, TIFF, HEIC, WebP, SVG, HTML, EPUB, OFD, and CAJ (plus more)
• OCR and scanning workflows to extract text from scanned PDFs and images with multi-language recognition, with optional batch processing on premium plans

Pricing: Freemium. Free online tools (10MB per task); paid plans include Weekly ($13.99), Monthly ($19.99, 1,000 AI credits/month), Annual ($49.99, 12,000 AI credits/year), 3-year ($99.99), Lifetime ($79.99), plus Business plans ($79.95/year per user or $129.90/3-year per user). A 3-day free trial is available for yearly plans.

Notable for combining 25 free online PDF tools, cross-device cloud file access, and developer options including PDF APIs/SDKs (conversion, OCR, editing, and ChatPDF) for integrating document workflows into apps.