Add note annotation to documents and enchance the editing process. Icon shape and color are adjustable via the annotation inspector.
PDF Notes


With robust and customizable pen, write freehand on documents by easily selecting color, opacity, line thickness and border style.

Import & Export Annotations

Export and import annotations from PDF documents as FDF files to track changes and have all team notes in one document. The annotation supports three types of files to import/export data: XFDF, FDF and JSON.
PDF Import & Export

Annotation Inspector

Using the annotation inspector, quickly adjust annotations style to fit your users' needs. And it also supports predefined default settings such as color presets.
PDF Annotation Inspector

More Features

We are trying our best to offer the most comprehensive library to shorten your projects' development cycle
Free Text

Free Text

Add text anywhere on a document. Move and resize, and change appearance - including font, size, alignment, and color.


Customize and personalize toolbar to provide easy access to frequently-used features, tailor-made for your users.
See All Features

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