Use UPDF's wide array of annotating functions to mark up your PDFs. Visualize ideas by drawing straight into the document. Work together, share feedback, review documents - all in one place.
Support: Windows · macOS · iOS · Android
Enhance your PDFs with UPDF's range of annotation tools. Use sticky notes, highlighters, and text notes to help you engage with the document.
How to Annotate a PDF
Add shapes, stickers, and personalized annotations to illustrate your ideas on PDFs. Use the intuitive Eraser feature to refine your drawings and ensure your documents look polished and professional.
How to Draw on a PDF
Use signatures and stamps when reviewing documents for clear, secure document processing. Create custom stamps that fit with your unique workflow.
How to Add a Stamp to a PDF Free Download
Export annotations as speaker notes to facilitate smooth, confident delivery. Use detailed attachments for extra clarification. Effortless sharing for collaboration and professional presentations.
How to Share a PDF Buy Now
Tips and Tricks for How to Annotate PDFs Explore More
UPDF is an all-in-one PDF solution - here are some other great features:
Free
Free trial of UPDF:
Free trial, no credit card required
Convert up to twice per day.
View PDFs
Slideshow PDFs
2 GB UPDF Cloud Storage
Free try all features with trial watermarks
Free trial of UPDF AI:
AI summarize, analyse or translate 3 PDFs
Upload up to 100 pages per file to AI
Ask up to 30 questions
Powered by GPT-4
From From
Buy NowUnlock all features in UPDF(excluding AI) across Windows, macOS, iOS and Android, including:
Edit PDF
Convert PDF
Annotate PDF
Protect PDF
Fill and Sign PDF
Batch Process PDF
OCR
10 GB UPDF Cloud Storage
Free trial of UPDF AI:
AI summarize, analyse or translate 3 PDFs
Upload up to 100 pages per file to AI
Ask up to 30 questions
Powered by GPT-4
From From
Buy NowUnlock all features in UPDF(including AI) across Windows, macOS, iOS and Android, including:
Edit PDF
Convert PDF
Annotate PDF
Protect PDF
Fill and Sign PDF
Batch Process PDF
OCR
10 GB UPDF Cloud Storage
Full access to UPDF AI：
AI summarize, analyse or translate unlimited PDFs
Upload up to 1000 pages per file to AI
Ask questions or chat with AI
Get up to 100 GB extra cloud storage
Powered by GPT-4
AI benefits in one account can be shared across Windows, Mac, iOS, Android, and UPDF AI Web.
/ user
Buy Now
Enterprise license management dashboard
24*6 phone or online meeting technical support
Unlock all features in UPDF(excluding AI) across Windows, macOS, iOS and Android, including:
Edit PDF
Convert PDF
Annotate PDF
Protect PDF
Fill and Sign PDF
Batch Process PDF
OCR
20 GB UPDF Cloud Storage
From From
Buy NowUnlock all features in UPDF(excluding AI) across Windows, macOS, iOS and Android, including:
Edit PDF
Convert PDF
Annotate PDF
Protect PDF
Fill and Sign PDF
Batch Process PDF
OCR
10 GB UPDF Cloud Storage
Free trial of UPDF AI:
AI summarize, analyse or translate 3 PDFs
Upload up to 100 pages per file to AI
Ask up to 30 questions
Powered by GPT-4
From From
Buy NowUnlock all features in UPDF(including AI) across Windows, macOS, iOS and Android, including:
Edit PDF
Convert PDF
Annotate PDF
Protect PDF
Fill and Sign PDF
Batch Process PDF
OCR
10 GB UPDF Cloud Storage
Full access to UPDF AI：
AI summarize, analyse or translate unlimited PDFs
Upload up to 1000 pages per file to AI
Ask questions or chat with AI
Get up to 100 GB extra cloud storage
Powered by GPT-4
AI benefits in one account can be shared across Windows, Mac, iOS, Android, and UPDF AI Web.
*The pricing and available features are based on the specific plans you decide on.
UPDF
UPDF for Windows
UPDF for Mac
UPDF for iPhone/iPad
UPDF for Android
UPDF AI
Convert PDF
OCR PDF
Batch PDF
Edit PDF
Organize PDF
Compress PDF
View PDF
Annotate PDF
Fill and Sign
UPDF Cloud
Protect PDF
Enterprise Solution
Enterprise Pricing
Enterprise User Guide
User Guide
Tech Spec
FAQs
Contact Us
Newsroom
UPDF Reviews
About Us
Education Discount
What's New
Affiliate Program
Reseller Program
Template Library
