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Annotate pdf

Need to annotate pdf? Easily add text or images, highlight, comment, and sign pdf! Online pdf editor right in your browser.

Annotate: Web Annotations with Screen Sharing

Annotate web pages, PDFs, Google Slides, and Google Docs to improve engagement. Annotate in Google Meet when screen sharing.

PDF Reader and Editor

emano.waldeck

A general-purpose Portable Document Format (PDF) viewer based on Mozilla's PDF.js library

ExCITATION journal ranking in Google Scholar™

Find quality sources in a shorter time (journal ranking), identify leading studies (sort by citation), and preview abstracts

TransOver

artemave

Hover, click or select to translate (with text-to-speech). Translator.

Google Translate Plus

Translate the definitions by google translate.

OneScholar

【OneScholar】超级好用的学术科研插件，全方位提高科研工作者的科研效率，支持显示详细文章信息、期刊等级信息、大学分类排名信息、网页翻译、文章引用等功能（原 SciHub Addon）