We use cookies to give you the best experience on our website. If you continue to browse, then you agree to our privacy policy and cookie policy. Image for the cookie policy date
Unfortunately, activation email could not send to your email. Please try again.
Syncfusion Feedback

Trusted by the world’s leading companies


The Syncfusion Flutter PDF library supports a wide range of PDF annotations. The library can create, read, delete, and edit annotations.

Shape Annotation

Include line, rectangle, polygon, ellipse, text web link, document link and URI in the PDF pages to create schematic drawings or to mark important material with the shapes. You can move, resize, remove, or edit the color of the shapes.

Shape annotation

Flatten annotation

The Syncfusion Flutter PDF library supports making a PDF annotation non-editable. Flatten PDF annotation will directly write the appearance on a page, but remove the respective annotation. Flattening the popup comment of the annotation is also possible.


The Syncfusion Flutter PDF library provides various annotation customizations such as font, color, border style, highlight type, predefined icons, shapes, and more, depending on the annotation type.

Read and modify annotation

Access to read and modify PDF annotation values and properties. You can move annotations around. It is also possible to delete annotations.


Greatness—it’s one thing to say you have it, but it means more when others recognize it. Syncfusion is proud to hold the following industry awards.

Scroll up icon

Warning Icon You are using an outdated version of Internet Explorer that may not display all features of this and other websites. Upgrade to Internet Explorer 8 or newer for a better experience.Close Icon

Live Chat Icon For mobile
Live Chat Icon