# LightPDF: AI Chat PDF, Scanner — Convert, Chat, Scan, OCR, Edit

> AI-powered PDF toolkit for scanning, editing, converting, and chatting with documents. (iPhone/iPad app by Wangxu Technology Co., Ltd.)

- Source: https://appshunter.io/ios/app/lightpdf-ai-chat-pdf-scanner/id1622949837 (this page in markdown: same URL + `.md`)
- Developer: [Wangxu Technology Co., Ltd](https://appshunter.io/developer/1254320291)
- Category: Productivity, Business
- Price: Free with in-app purchases
- Rating: 4.30/5 from 52 App Store ratings · 84 written reviews indexed
- Age rating: 17+
- Requires: iOS 14.0 · 113 MB
- Languages: American English, French (France), German (Germany), Japanese, European Portuguese, Chinese (Simplified, China), European Spanish, Chinese (Traditional, Hong Kong SAR China)
- Released: 2022-06-28
- Data updated: 2026-08-21
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/lightpdf-ai-chat-pdf-scanner/id1622949837/reviews.md

## What is LightPDF?

LightPDF, AI-powered, is a must-have PDF toolkit for your mobile device. You can use it to summarize and chat with PDFs and other documents, and quickly get the key information from the files! And it takes advantage of AI to help you easily scan paperwork to PDFs, extract texts and remove specific objects. It can be your PDF converter, editor, reader, on-the-go mobile scanner, cloud-based PDF storage, and ID photo maker.

Try LightPDF to convert, OCR, scan, edit, read, annotate, comment, compress, and merge PDFs easily and quickly to get a high-quality result. And its sharing and collaborating feature can help you communicate smoothly with your colleagues on the same PDF document, and improve your teamwork productivity.

What LightPDF can do:
Smart AI Chat Assistant for PDFs
- Ask questions to the chatbot about your file and it will answer you with cited sources
- Quickly output results in markdown and table formats
- Chat with PDFs, scans, Excel, Word, PPT, and ePub documents

Intelligent Phone Scanner
- Take photos of your papers, cards, books, and more to turn them into PDF format. Work as your pocket PDF scanner
- Extract and copy texts from paper works
- Remove handwriting from the test paper
- Advanced filter features for better scanning result 
 
Powerful PDF Converter with OCR
- Convert PDF to Word, JPG, PNG, Excel, PPT, and TXT, as well as turn Word, PPT, Excel, JPG, PNG, and CAD formats to PDF
- Equipped with OCR technology to recognize and turn PDF scans and photos into docx, xlsx, pptx, pdf, and txt formats
- Convert multiple documents at the same time and quickly get your work done
 
Cloud-based PDF Editor & Reader
- Edit, sign, and add images to a PDF file
- Highlight, draw markups, and insert notes into PDF
- Reduce PDF file size with a few touches 
- Combine multiple PDF documents into one
- Read PDFs, add bookmarks, search and annotate
- Print PDFs directly from your devices
- Auto-sync PDFs in order to work with PDFs on the go. No more worry about losing data 
 
Handy ID Photo Maker
- Create ID and passport photos with ease. It allows you to remove the background, change the background color, and produce a new photo with the selected size
- Unblur the photo to enhance its quality and make it clear

Image Watermark Removal
- AI automatically recognizes and removes watermarks from images, eliminating the need for manual smudging like in Photoshop. It is particularly effective for large logos and full-screen watermarks, enhancing learning efficiency.
  
New Way for Teamwork
- Share files via links with your team and invite multiple people to view, edit, highlight, sign, and add comments on the same PDF at the same time
- Set permissions to keep PDF security under control
- Upload the file to the cloud, and access it on any device 
- Star files as favorites to quickly find and open them
 
Subscriptions will be charged to your credit card through your iTunes account. Your subscription will automatically renew unless canceled at least 24 hours before the end of the current period.
After purchase, please manage your subscriptions in the App Store Account Settings.
-------------------------------------------------------------------------------
If you need any help or have suggestions on LightPDF, please feel free to contact us. We can't keep making progress without your voice.
 
Email: support@lightpdf.com
Customer Service Center: https://lightpdf.com/contact
FAQ: https://lightpdf.com/faqs/lightpdf-editor-faq
Privacy Policy:https://lightpdf.com/privacy
Terms of Service:https://lightpdf.com/terms

## Key features

- AI Chat with PDFs
- Phone Scanner to PDF
- PDF to Word/JPG/Excel Converter
- OCR Text Extraction
- PDF Editing and Annotation
- ID Photo Maker
- Watermark Removal

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| LightPDF Weekly Subscription | $13.99 | per 7 days |
| LightPDF Monthly Subscription | $19.99 | per month |
| LightPDF Annual Subscription | $49.99 | per year |
| LightPDF Yearly Subscription | $47.99 | per year |
| LightPDF Monthly Subscription | $19.99 | per month |
| LightPDF Yearly Subscription | $59.99 | per year |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| 1年購入で1年おまけ | $84.99 | one-time |
| 2 zum Preis von 1 | $99.99 | one-time |
| 買一年送一年 | $79.99 | one-time |
| Buy 3 yrs Get 3 yrs Free | $149.99 | one-time |
| iOS LightPDF - 1 Week | $9.99 | one-time |
| 3-Year Subscription | $99.99 | one-time |
| Mac LightPDF Lifetime Plan | $109.99 | one-time |


## Recent user reviews (10 of 84)

All indexed reviews: https://appshunter.io/ios/app/lightpdf-ai-chat-pdf-scanner/id1622949837/reviews.md

### 5/5 — Paguei e o app ainda pede mais dinheiro para continuar tirando marca d’água

*2026-05-01*

Assinei o app para tirar marca d’água de fotos, eis que me deparo com ele pedindo mais dinheiro dizendo que meus créditos acabaram. Absurdo!

### 4/5 — Helpful

*2026-02-01*

Nice

### 5/5 — Worthy and user friendly app

*2026-01-28*

I have used this application which provides best pdf tools that does its work very efficiently. I have not any other app that does all things at one place. I would recommend this app to everyone.

### 1/5 — Waste of time

*2026-01-16*

Doesn’t work it

### 1/5 — 不能去水印

*2025-12-24*

花了38元，去不了水印，好无奈，然后只能加笔画，其他都没啥功能感觉，反正搞不明白

### 5/5 — Adorei

*2025-12-10*

Ótimo aplicativo, usei para remover marca d’água e melhorar a qualidade da foto, fica perfeito! Super prático de enviar e salvar a imagem, recomendo!

### 1/5 — Stupid app and website

*2025-11-22*

Very stupid app, doesn’t work at all. I watched on many YouTube videos and Instagram reels that we can edit texts on the pdf or image on the exact same font it is there. But there is no option for doing that, neither in the app nor website.

### 1/5 — Money waste

*2025-10-09*

I buy the subscription but not open any option i wait 2-3 days but not work please not buy this application totally money waste

### 5/5 — 好用 爱用多用

*2025-09-10*

真的

### 5/5 — Genial

*2025-07-01*

Funciona genial tienes que probarlo y verás que las imágenes salen geniales

## Frequently asked questions about LightPDF

### What can I do with LightPDF?

LightPDF allows you to summarize and chat with PDFs and other documents using AI, scan paperwork into PDFs, extract text, and edit PDF files. It also functions as a PDF converter, reader, and ID photo maker.

### How does the AI chat feature work?

The AI chat assistant lets you ask questions about your PDF or other supported documents. It will provide answers with cited sources and can output results in markdown and table formats. You can chat with PDFs, scans, Excel, Word, PPT, and ePub documents.

### What file formats can LightPDF convert?

You can convert PDF to Word, JPG, PNG, Excel, PPT, and TXT. Conversely, it can convert Word, PPT, Excel, JPG, PNG, and CAD formats to PDF. The OCR technology also enables conversion of scans and photos into editable document formats.

### Is LightPDF free to use?

The app is free to download and use with in-app purchases available for advanced features and functionality. Subscriptions are charged through your iTunes account and will automatically renew unless canceled.

### Can I collaborate on PDF documents with others?

Yes, LightPDF offers sharing and collaborating features. You can share files via links, invite multiple people to view or edit the same PDF simultaneously, and set permissions for security. This helps improve teamwork productivity.

## Version history (last 5 releases)

### 2.11.29 — 2025-11-10

Fix some bugs

### 2.11.28 — 2025-10-13

Upgrade the user experience

### 2.11.27 — 2025-04-17

1.Fixed some known issues.

### 2.11.26 — 2025-03-07

1.Fixed some known issues to enhance the experience.

### 2.11.25 — 2025-02-07

1.Fixed some known issues for a better experience
2.Remove 3-day free trial plan

## Apps similar to LightPDF

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| --- | --- | --- | --- |
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## More apps by Wangxu Technology Co., Ltd

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All apps by Wangxu Technology Co., Ltd: https://appshunter.io/developer/1254320291

## Related topics

[light pdf](https://appshunter.io/ios/topics/light-pdf) · [chat pdf pro](https://appshunter.io/ios/topics/chat-pdf-pro)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-21.*