Professional Reader

Smart dictionary for specialized literature and text in a language that isn't your first. Click to understand any text in context.

Available in: English · 日本語 · 中文 · 한국어 · Español Stop switching between your document and a dictionary. Just click, Shift+click, or drag to select words or phrases on a web page or in a PDF. Built for researchers, students, and professionals who read specialized literature or text in a language that isn't their first. Right there and then, it fills the gaps in your knowledge and supports smooth reading. ━━ KEY FEATURES ━━ - Context-aware: translations and explanations reflect what the selected text means in its sentence - Detail Q&A: ask questions about the selected text in a chat, for a deeper understanding. When a chat gets long, you can start a new one with a summary of it - Web search with sources: with web search, explanations and Detail Q&A answers draw on up-to-date information and link to the web pages used as sources (for signed-in users, and it uses up your weekly usage faster) - Multilingual: for text in any language, shows translations and explanations in the language you set (any of the five above) - Built-in PDF viewer: opens both online and local PDFs, and lets you zoom and download them - Stays out of your way: the UI overlaps the original content as little as possible, and one click turns the extension on or off (while off, your browser behaves exactly as it normally would) - Customizable: change settings such as web search, the context length, the default tab and the tooltip size to suit your style ━━ PLANS ━━ You can change your plan at https://professional-reader.app/#plans ■ Guest ($0) - No account required - From single words to passages - Get Translation & Explanation - 5 uses per 24 hours ■ Free ($0 / month) - From single words to long passages - Get Translation & Explanation - Q&A chat for deeper understanding - Enough for quick research ■ Standard ($5 / month) - From single words to long passages - Get Translation & Explanation - Q&A chat for deeper understanding - 10x more usage than Free ━━ PRIVACY ━━ Professional Reader sends the text you select, its surrounding passage, and your chat questions to our server over HTTPS. If web search is turned on, it may search the web based on the selected text, its context or your chat questions. It never uploads your files or whole pages. Details: https://professional-reader.app/legal/privacy-policy Website: https://professional-reader.app Contact: contact@professional-reader.app