SwifDoo PDF is a comprehensive AI PDF editor that not only provides basic PDF features, easy edit, convert, annotate, compress, merge, sign, and add watermarks to PDFs, but also supports advanced features such as OCR PDFs, document translation, and integration with ChatGPT 4.0. The features a user-friendly interface, and the functionality layout can be quickly accessed on the program's main screen.

Key Features:
View and read PDFs: It allows you to switch between various viewing modes, search for words or phrases, perform word count, and read PDFs aloud.
Translate PDFs: It can quickly and accurately translate words, phrases, sentences, paragraphs, and also facilitates large document translation. Supports over 100 languages.
Annotate PDFs: It enables you to highlight, underline, strikethrough, markup, type text, and fill forms quickly on PDFs.
Edit PDFs: Edit and add text, images, hyperlinks, and any content in PDF files. Change PDF background and page size, as well as crop, compress, and OCR scan PDFs.
Convert PDFs: Convert PDFs to Word, Excel, PowerPoint, TXT, EPUB, images, and various other formats, and vice versa, making image PDFs searchable.
Organize PDF pages: Merge, split, extract, delete, rearrange, and rotate PDF pages.
Protect PDFs: Ensure PDF security by adding passwords, watermarks, and signatures.
AI PDF: Supports quick document summarization, translation, proofreading, rewriting, interpretation, and document analysis.