Truly integrated iOS app combining handwriting, PDF annotation, and text for seamless note-taking. Auto Sync backs up notes. Customize themes, library, and toolbars for a personalized experience with robust features.




UPDF is described as 'PDF editor offering a variety of features such as editing, annotating, converting, protecting, and organizing PDFs. It allows users to modify text and images, apply annotations like highlighter, underline, sticky notes, and links' and is a PDF Reader in the office & productivity category. There are more than 50 alternatives to UPDF for a variety of platforms, including Windows, Web-based, Mac, Android and iPhone apps. The best UPDF alternative is PDF-XChange Editor, which is free. Other great apps like UPDF are BentoPDF, Adobe Acrobat DC, Master PDF Editor and Paperless AI.
Truly integrated iOS app combining handwriting, PDF annotation, and text for seamless note-taking. Auto Sync backs up notes. Customize themes, library, and toolbars for a personalized experience with robust features.




Free (and open source) editor for manipulating PDF documents. GUI version + commandline interface. Scripting is used to a great extent in editor and almost anything can be scripted, it is possible to create own scripts or plugins.


Freemium Chrome extension offering free GPT-4 access, on-page AI chatbot, document and YouTube summaries, AI writing for social media and Gmail, live web access, translations, and PDF, DOC, or PPT uploads for summarizing and chat, supporting varied professionals.




AI tool enabling chat-based queries with PDFs, delivering instant questions, summaries, and multilingual answers for research, reports, and literature. Secure cloud handling, automatic data deletion, and broad academic or professional document support.




Provides editing of text, images, and objects in PDFs, annotation options, OCR for scanned files, conversion to multiple formats, form filling and signing, page management, merging and splitting, cloud integration, camera to PDF functionality, and sharing tools.








ClarifyDocuments is a free AI tool that converts PDFs, images, and slides into clean, editable text. It automatically cleans, organizes, and processes content in any language, helping students and educators focus on learning.


With PDFill you can create, fill, delete and submit PDF form fields; insert new formatted text, check, image, hyperlink, whiteout, highlight, drawing, comment and annotation anywhere in the document; save, print or email the filled and password-protected PDF; save and resume...



Bluebeam Revu delivers award-winning PDF creation, editing, markup and collaboration technology to Windows desktop and tablet users. Create and navigate smart, information-rich document sets from converted Microsoft Office and CAD files.


Interact with PDF documents using AI to extract instant summaries, trace answer sources, compare multiple files, collaborate in teams, highlight citations, enable secure sharing, and manage privacy with encryption and role-based controls for enterprise environments.




The tool is called PDFGPT.IO, and it allows you to chat with PDF documents using artificial intelligence.




Free online PDF tools - convert images to PDF, merge, split & rotate PDFs with complete privacy. No upload required, works in browser.

