PDF Annotator
Add annotations to PDF
Annotate Your Documents
Add text, comments, highlights, and drawings to your PDF. Mark up documents with precision and download your annotated file.
Select files
or drag and drop them here
Supported Formats
Google AdSense Ad Space
728x90
Ads will display here in production
How to Annotate Documents
Upload & Convert
Upload your files - auto-converts to PDF
Add Annotations
Draw, highlight, add text and shapes
Download Annotated
Get your annotated PDF instantly
Features
Google AdSense Ad Space
728x90
Ads will display here in production
Simple Online Tool to Annotate PDFs
With our PDF Annotator tool, adding comments, highlights, and drawings is quick and effortless. Upload your files, annotate exactly how you want, and download your marked-up PDF. It's free to use, with no hidden steps, and no registration needed.
Secure Online PDF Annotation
Your files are secure with us. Your uploaded files are encrypted using TLS, and they're automatically deleted from our servers after one hour. Annotate your documents with complete peace of mind. For more details, check out our privacy policy.
Works on Any Device
Annotate your PDFs easily right from your web browser—no downloads or installations required. Add annotations seamlessly on Mac, Windows, Linux, or mobile. Prefer offline? Use our Windows app on your computer for fast and efficient annotating anytime.
Preview and Annotate with Thumbnails
Upload your files, and we'll show you a preview. Navigate through pages with thumbnails, add annotations, highlights, and drawings. It's quick, simple, and fully customizable to suit your needs.
Reliable PDF Annotation
Say goodbye to expensive software—our PDF annotator is free, simple, and secure. Your file is protected with industry-standard TLS encryption, so you can annotate PDFs confidently, knowing your data stays safe and private.
Cloud-Based Processing
Our online PDF annotator is cloud-based, saving your device's resources and giving you the freedom to annotate PDFs from anywhere, anytime.