ComPDF is our PDF SDK, API, and AI solution designed for developers and organizations to seamlessly integrate PDF functionalities like editing, annotating, converting, filling forms, signing digitally, comparing, measuring, and redacting into any device. **Supported Features:** Explore the full list of features at: https://www.compdf.com/pdf-sdk/features-list **PDF Content Editing:** - Modify text - Modify images **Viewer:** - Standard display modes, including Scrolling, Double page, Crop mode, and Cover mode - Navigation using thumbnails, outlines, and bookmarks - Text search and selection functionalities - Zoom in/out and fit-page options - Theme switching for Dark mode, Sepia mode, Reseda mode, and custom color mode - Text reflow feature **Annotations:** - Create, edit, and remove various annotations, such as Notes, Links, Freetext, Lines, Squares, Circles, Highlights, Underlines, Squiggly lines, Strikeouts, Stamps, Inks, and Sounds - Support for different annotation appearances - Import and export annotations via XFDF - Annotation flattening support **Forms:** - Create, edit, and remove form fields, including Push Buttons, Check Boxes, Radio Buttons, Text Fields, Combo Boxes, List Boxes, and Signatures - Fill out PDF forms - Support for flattening PDF forms **Document Editor:** - Manipulate PDFs with options to split, extract, and merge pages - Page editing functions such as delete, insert, crop, move, rotate, replace, and exchange pages - Set document information - Extract images **Security:** - Encrypt and decrypt PDFs, featuring permission settings and password protection - Create, edit, and remove headers and footers, including dates, page numbers, document names, author names, and chapter names - Create, edit, and remove Bates numbering.