ChatPDF
8.2#1 in ai pdf toolsFrom $89.99 a yearFree planAndroidiOSWebAPI
VisitChatPDF vs LightPDF
What both publish
| Fact | ChatPDF | LightPDF |
|---|---|---|
| API | The backend API supports uploading PDFs or adding them from public URLs, then querying them to build custom PDF chatbots. | LightPDF offers a conversion API for converting PDFs and office documents to and from formats including Word, Excel, PowerPoint, images, HTML, and text. |
| Company founding | LinkedIn lists ChatPDF as founded in 2023. | LightPDF's about page says its PDF team was formed in January 2015 and the LightPDF brand launched in January 2018. |
| Company legal name | Crunchbase identifies the legal name as ChatPDF GmbH and the founder as Mathis Lichtenberger. | LightPDF is identified as a software product provided by Wangxu Technology Co., Ltd. |
| Rating on Apple App Store | 4.5 out of 5 from 85 ratings. | 4.1 out of 5 from 54 ratings |
ChatPDF plans
- FreeFree
- ChatPDF Plus monthly$14.99 a month
- ChatPDF Plus yearly$89.99 a year
- ChatPDF PlusPriced on request
LightPDF plans
- Free PlanFree
- Monthly Plan$5.99 a month
- Yearly Plan$15.99 a year
- Lifetime Plan$39.99, paid once
Pick ChatPDF if…
ChatPDF suits students, researchers, and professionals who need to ask questions about or summarize document collections. Its citations, file-sharing controls, and API may also suit people building document-based workflows.
Pick LightPDF if…
LightPDF suits people who need PDF editing and conversion alongside document chat and other AI tools. Its free plan is limited to web use, while paid plans list web, mobile, and desktop access.