According to AlphaMoat, as of 2026-09, the Chrome extension Moonlight has 100,000 users (+0% MoM), rated 4.7 (71 reviews) — ranked #77 of 9,324 AI browser extensions, and #8 of 676 in Education & Research.
What is Moonlight
Everything you need to read a paper: explanation, summary, translation, chat, and reference search. Drowning in Papers but Short on Time—and Patience? If you're a researcher or grad student, you've probably felt the pain: endless papers to read, not enough time, and content that's just too hard to digest.
Meet Moonlight — your AI companion that lights up the complex path of academic reading, just like the moon on a dark night. Stop reading passively. Start exploring and discussing papers actively with AI—and discover real insights.
🚀 How Moonlight Boosts Your Research Productivity—10x
1. Understand a 1-hour paper in just 1 minute 📝 3-Line & Key Method Summaries Get a quick grasp with a 3-line overview, and dig deeper with half-page method summaries. Perfect for sharing with colleagues too.
🤖 Auto Highlighting Open a paper and instantly see key highlights—novelty, methods, results—picked out by AI. What used to take an hour now takes 5 minutes.
2. Master Complex Tables and Equations with a Click 🧠 Explain Anything Hover over tough sentences, dense tables, or intimidating equations—Moonlight explains them like a personal tutor.
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✨ Copy LaTeX Equations in One Click Click on any equation to copy it in perfect LaTeX format. No more manual typing.
🌐 Smart Contextual Translation More than just a translator—Moonlight compares original and translated text side-by-side, and chooses the most accurate terminology based on academic context.
3. Discover True Knowledge by Debating with AI 💬 Ask Anything “What are this paper’s limitations?” “How does this relate to my own work?” Ask Moonlight and unlock deeper insights.
📚 Smart Citations No more endless scrolling. Instantly view summaries of cited papers right where you are, and stay focused on the big picture.
🎨 Highlight & Annotate Mark key sentences in color, jot down thoughts as you go. Your highlights and notes are automatically organized in the sidebar—your personal research treasure trove.
💻 Get Started Now
Click [Add to Chrome] and pin Moonlight to your toolbar.
Open a PDF paper in your browser, or upload one on the Moonlight website.
Step into a smarter world of research with your AI reading companion.
💡 Pro Tip: Open Local PDF Files Too Just type chrome://extensions in your browser, find Moonlight, and enable “Allow access to file URLs.”
❓ Frequently Asked Questions
Q. Is it free to use? A. Yes! Most core features are available for free. For unlimited access and more powerful AI models, consider upgrading to the Pro or Premium plan.
Moonlight is here to walk with you from the very first step of your next great research. Install it today—and turn painful paper reading into a joyful knowledge adventure.
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+ CompareData month: 2026-09 · User counts and ratings come from public Chrome Web Store data, aggregated monthly. See methodology.