Giới thiệu

What is LightPDF?

LightPDF is an AI-powered online PDF editor, converter, and reader that provides access to a vast array of AI technologies for various needs, including PDF editing, conversion, OCR, and chat.

How can I use LightPDF for free?

Every user can utilize LightPDF's features for free, with limitations. Subscribing to the platform grants additional benefits and extended access beyond the free usage limits.

Features of LightPDF

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

Convert PDF

Convert PDF to editable Word accurately
Convert PDF to other formats (PPT, Excel, TXT, PNG, JPG, etc.)
Create PDF from other formats

OCR PDF

Turn PDF scans and images to text easily
Extract text from scanned PDFs and images
Output in Word, TXT, and editable PDF, etc.

Annotate PDF

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

Sign PDF

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

ChatPDF

Ask anything about the document
Summarize, explain, and analyze the content
Input documents and URLs, and ask AI to summarize, extract, explain, and analyze the content.