LightPDF
8.8#2 in pdf editorsFrom $15.99 a yearFree planAndroidiOSWebAPI
VisitLightPDF vs PDF4QT
What both publish
| Fact | LightPDF | PDF4QT |
|---|---|---|
| Downloads | Official downloads are provided for Windows, macOS, iOS and Android, with web and Chrome/Edge extension access also linked. | The project lists Windows installer and ZIP downloads, plus Linux AppImage and Flatpak packages. |
| Free plan | Yes | Yes |
| Product | LightPDF describes itself as an AI-powered PDF solution for editing, converting, annotating, signing, organizing, and chatting with documents. | PDF4QT is an open-source PDF toolkit with desktop applications, command-line tools, and a C++/Qt PDF engine. |
LightPDF plans
- Free PlanFree
- Monthly Plan$5.99 a month
- Yearly Plan$15.99 a year
- Lifetime Plan$39.99, paid once
PDF4QT plans
- PDF4QTFree
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.
Pick PDF4QT if…
You want what its maker publishes above — check its page for the details.