Online PDF Annotator

Draw, write, and highlight directly on your PDF documents. Save your annotations effortlessly without uploading your files to any server.

Why Use Our PDF Annotator?

Our online PDF annotator provides a fluid drawing experience right on top of your documents without requiring heavy software installations.

Draw and Highlight: Easily use your mouse or touch screen to draw shapes, sign, highlight, or strikeout text using multiple colors and adjustable brush sizes.
100% Privacy Protection: We respect your privacy. The PDF file is rendered and modified using local browser scripts and is never uploaded or saved to any external server.
Permanent Embedding: When you click save, your annotations are permanently flattened and embedded into the PDF, ensuring they cannot be easily removed or altered by others.
Cross-Platform Compatibility: Works flawlessly on Windows, Mac, Android, and iOS browsers with full touch and stylus support.