
A free, AI-powered academic search engine for 240M+ papers across every scientific field
A free, AI-powered academic search engine for 240M+ papers across every scientific field
ExplainPaper records 26,016 monthly visits with -39.3% month-over-month growth and Freemium pricing. ExplainTXT records 0 monthly visits with 0% growth and Freemium pricing.
Highlight text. Ask AI. Instant summaries and explanations on any page.
| Dimension / Metric | ||
|---|---|---|
| Official Domain | explainpaper.com | explaintxt.com |
| Pricing Model | Freemium | Freemium |
| Monthly Visits | 26.02K (26,016) | 0 (0) |
| MoM Traffic Delta | -16.81K (-39.3%) | 0 (0%) |
| Primary Market & Share | 🇺🇸 United States (28.1%) | 🌐 Global (—) |
| Direct Visits / mo | 9.69K | 0 |
| User Rating | 4 | 4.1 |
| Supported Platforms | Website | Website |
Highlight dense research text and get plain-language explanations instantly
Select any confusing sentence or term and receive an immediate plain-language explanation that accounts for the rest of the paper.
Shift the reading level from beginner-friendly to expert-detail so the explanation matches your background.
Ask questions and get answers grounded in the document's actual content, with references back to the relevant sections.
Produce a smart outline, key-point extraction, and concept relationship views without reading the entire paper first.
Highlight text. Ask AI. Instant summaries and explanations on any page.
Press ⌘⇧E (Ctrl+Shift+E on Windows) with nothing selected to get a concise summary of the whole page, led by a one-line gist and then the key points.
Select any term, clause or paragraph and ExplainTXT explains just that part in plain language, right where you are reading.
Answers open in a sidebar so you can ask additional questions about the page without leaving it or opening a separate chatbot tab.
Run it from the keyboard shortcut, a highlight context menu, the toolbar icon, or an alternate ⌘⇧S shortcut, and rebind the keys in Chrome.

A free, AI-powered academic search engine for 240M+ papers across every scientific field
A free, AI-powered academic search engine for 240M+ papers across every scientific field

All-in-one AI assistant across web, browser, desktop and mobile
All-in-one AI assistant across web, browser, desktop and mobile

AI research platform for reading, understanding and writing scientific papers
AI research platform for reading, understanding and writing scientific papers
AI sidebar and browser agent for reading, writing and research
AI sidebar and browser agent for reading, writing and research
Chat with any PDF, video, or website and get cited answers in seconds
Highlight the web, learn in public, and build your AI clone
Highlight the web, learn in public, and build your AI clone

Map the literature around the papers you love—free
Map the literature around the papers you love—free
Explore the academic literature as a visual graph of related papers
Explore the academic literature as a visual graph of related papers

Translate, summarize, and understand documents in 154 languages without losing the layout
Translate, summarize, and understand documents in 154 languages without losing the layout

Free / Open-sourceSummarize YouTube, Google, and any page with AI — free in your browser
Free / Open-sourceSummarize YouTube, Google, and any page with AI — free in your browser
Summarize, bookmark and write with AI right in your browser
Summarize, bookmark and write with AI right in your browser

Screen thousands of papers down to the studies that matter
Screen thousands of papers down to the studies that matter