Websites to PDF annotation

Discover Websites to PDF annotation.

Annotate PDF documents directly within the Evernote application, adding shapes, highlights, text, and comments to your files.

Best Online Apps to PDF annotation

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BibSonomy

BibSonomy

Free

BibSonomy is a powerful social bookmarking and publication-sharing platform, designed for researchers and knowledge workers. It allows users to collect, organize, and share literature, documents, and web resources using collaborative tagging and bibliography management features.

Excellent BibTeX import and export capabilities.
Collaborative
Office & Productivity
Kami

Kami

Commercial

Kami is a robust online PDF and document viewer and editor, offering a comprehensive suite of tools for annotation, form filling, and collaboration. Accessible through a web browser or as a Chrome Extension, it streamlines digital document workflows for users of all levels.

Comprehensive annotation and editing tools.
Google Chrome extension
Office & Productivity Web Browsers
colwiz

colwiz

Freemium

colwiz is a comprehensive research management software designed for academics and researchers. It provides tools for organizing research papers, generating bibliographies, collaborating with peers, and managing research projects.

Free to use across all platforms.
Bibliography generator
Education & Reference
CloudScan

CloudScan

Freemium

CloudScan is a user-friendly scanning software designed for efficiently digitizing documents, photos, and images into multipage PDF files. It offers core functionalities like scanning, PDF management (split, merge, edit), and built-in OCR capabilities, making it a comprehensive solution for basic document handling on a single computer.

Intuitive and simple user interface, easy to learn and use.
Scan to PDF
PDFescape

PDFescape

Freemium

PDFescape is a versatile online PDF editor and form filler.

Web-based, no installation required.
Edit PDF
Office & Productivity
ThinkFree Office

ThinkFree Office

Freemium

ThinkFree Office is a comprehensive office suite written in Java, providing a robust and cross-platform solution for document creation, editing, and collaboration on Windows, Linux, macOS, and Android.

Excellent cross-platform compatibility (Windows, macOS, Linux, Android).
Convert PDF to Word document
Office & Productivity
Signority

Signority

Commercial

Signority is a secure cloud-based platform for electronic signatures, offering comprehensive tools for managing document workflows, sending documents in bulk, and seamless integrations with popular services.

Comprehensive feature set for document preparation and workflow.
E-signatures
Office & Productivity
ReadCube

ReadCube

Freemium

ReadCube is a powerful desktop and web-based reference management and PDF annotation tool designed for researchers and students.

Robust PDF reader with enhanced features.
Built-in File Manager
Education & Reference Office & Productivity
Paperpile

Paperpile

Commercial

Paperpile is a web-based reference manager designed for researchers and students. It streamlines the process of collecting, organizing, and citing research papers, with robust integration with Google Workspace and other popular academic tools.

Excellent integration with Google Docs and Google Drive
Sync with Google Drive
Education & Reference Office & Productivity
Diigo

Diigo

Freemium

Diigo is a comprehensive online tool designed for researchers, students, and lifelong learners to collect, organize, annotate, and share information found on the web. It acts as a powerful bookmarking service combined with robust annotation capabilities for web pages, PDFs, and documents.

Comprehensive annotation tools for web pages and PDFs.
Browser sync
Social & Communications Web Browsers
Mendeley

Mendeley

Freemium

Mendeley is a freemium reference manager and academic social network designed for researchers. It helps organize, manage, and share research papers, generate citations, and collaborate on projects.

Excellent integration with Microsoft Word and LibreOffice for citations.
Collaborative
Education & Reference Office & Productivity Social & Communications
Qiqqa

Qiqqa

Freemium

Qiqqa is a robust, award-winning research management software designed for academic and commercial researchers. It offers comprehensive tools for managing, annotating, and analyzing PDF documents, facilitating collaboration, bibliography generation, and knowledge discovery within research projects.

Comprehensive PDF management and annotation features.
Collaborative
Backup & Sync Education & Reference File Management Office & Productivity Social & Communications
Papers

Papers

Commercial

Papers is a comprehensive document and reference management software designed for researchers, academics, and students. It helps you organize, curate, and cite your research materials efficiently, integrating tools for importing, annotating, and generating bibliographies.

Comprehensive features for research workflow management.
Library
Education & Reference Office & Productivity
Evernote

Evernote

Freemium

Evernote is a popular cross-platform note-taking application designed to capture, organize, and manage your notes. It offers robust syncing capabilities across devices and includes features like web clipping, OCR for images, and integration with other services to streamline your productivity and information management.

Seamless syncing across multiple platforms.
Google Drive integration
Office & Productivity