AI-Powered Free Online PDF Editor, Converter & Reader - LightPDF
AI-Powered Free Online PDF Editor, Converter & Reader - LightPDF 图标

AI-Powered Free Online PDF Editor, Converter & Reader - LightPDF

lightpdf.com

Powered by AI, LightPDF provides free cloud-based services to view, edit, convert, sign, annotate, merge, manage and share PDF easily and helps you solve all PDF problems.

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AI-Powered Free Online PDF Editor, Converter & Reader - LightPDF 网站预览

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Make PDF Easy

AI-Powered PDF

Edit, convert, OCR, sign, annotate, chat with PDFs, and more. Accessible across desktop, mobile, and web platforms

ChatPDF with AI

Download LightPDF APP for higher productivity

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iPhone/iPad Android

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Start Free Trial

Download LightPDF APP for higher productivity

Windows\
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Click Here
Mac\
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Click Here
iPhone/iPad Android

Download

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GET IT ON Google Play

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Most Popular PDF Tools

LightPDF provides 25 free online tools to convert, OCR, edit PDFs, and even AI chat with documents. 100% Free. Get started now!

PDF to Word\
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PDF to Word\
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Convert PDF to editable Word accurately
ChatPDF\
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ChatPDF\
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AI-Powered\
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Ask anything about the document
Edit PDF\
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Edit PDF\
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Add texts and markups to your PDF
OCR \
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OCR \
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Turn PDF scans and images to text easily
Compress PDF \
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Compress PDF \
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Reduce PDF file size without losing quality
Merge PDF\
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Merge PDF\
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Combine multiple PDFs into one document

Explore All PDF Tools

Unleash Productivity

Handle Docs Smartly with AI

Input documents and URLs, ask AI to summarize, extract, explain, and analyze the content.

Get Started

Chat with docs

Chat with docs

Sync to Cloud

Sync to Cloud

Easy Access

Sync PDFs Across Devices

Upload your documents to Cloud, manage your files in one place, and access them anywhere anytime.

Get Started

Powerful PDF Features to Streamline Your Workflow

Edit

Convert

OCR

Annotate

Sign

Edit PDF

Edit PDF

Edit PDF like Word

  • Modify PDF texts, images and links
  • Add or remove PDF watermarks
  • Customize PDF background color
  • Delete or whiteout PDF content

Download

Convert PDF

Convert PDF

Convert PDFs quickly

  • PDF to Office docs , images and more
  • Create PDF from other formats
  • Output the result in high quality
  • Support conversion in bulk

Download

OCR

OCR

Copy and edit scanned PDF

  • Extract text from scanned PDFs & images
  • Output in Word, TXT, and editable PDF, etc.
  • Supports multi-language recognition
  • Batch text recognition and extraction

Download

Annotate PDF

Annotate PDF

Mark up & collaborate

  • Highlight and underline texts
  • Add and edit markups
  • Insert texts annotation, and comments
  • Add stamps and shapes to PDF

Download

Sign PDF

Sign PDF

Enhance PDF security

  • Support digital and e-signature
  • Draw and manage signatures
  • Insert signature fields to PDF
  • Supports signature validation

Download

Work with PDF on Your Mobile

AI Chat

Summarize, Explain & Explore

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task

task

Convert, Merge & Compress

Easy to Use and Time-Saving

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convert

convert

convert

LightPDF Mobile

LightPDF Mobile

Edit & Annotate

Improve Your Work Efficiency

edit

edit

edit

Scan & OCR

Digitalize Your Paperwork

scan

scan

scan

apple\
Download on theApp Store
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GET IT ONGoogle Play

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4.7 on G2

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4.0 on Trustpilot

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5.0 on Capterra

Why choose LightPDF?

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Excellent file converter to PDF with an extension for Google Chrome.

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The efficiency of the program is something amazing. And the ai integrated is very useful. i use it everyday for my university. i can do summary and much more, very recommended.

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Great Affordable Alternative to Acrobat. I've not discovered any issues or challenges with the software so far. I'd argue this is a great pdf creator/ editor with a huge suite of functionality that should cater to most users.

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LightPDF is a standout in the busy space of online document management. It's a breeze to navigate with loads of features that not only students but professionals find quite handy. It goes above and beyond just being a tool- it's a complete solution for all your PDF challenges.

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LightPDF is not just another document handling tool; it's a multifaceted platform that provides a wide array of services for working with PDFs and other document types.

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LightPDF is a comprehensive online PDF Editor tool for all your PDF needs

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AI-Powered \
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Harness AI and save your time proecessing extensive document information\
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Cross-platform Available \
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With one account, you can access LightPDF services on all platforms\
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Secure & Reliable \
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We respect your privacy. We do not collect any of your private data\
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24/7 Customer Service \
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Always online, focusing on user experience with continuous improvements\
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Loved By Developers

LightPDF provides a series of professional PDF API and SDK solutions, you can integrate our solutions to your web, mobile and desktop apps.

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Conversion API\
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Conversion between PDF and other formats
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OCR API\
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Text recognition and extraction
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Editing API\
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PDF protection, annotation, compression, etc.
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Editing SDK\
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PDF text and page editing, form creation, etc.
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Webviewer SDK\
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PDF rendering, editing and other processes
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ChatPDF API\
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Create custom AI chatbots for PDF reading

Work with PDF in an Easy Way

Get Started

Get the Deal

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