Meet Aryan — a Class 12 student from Nagpur preparing for JEE. Every evening, he watches 2-hour physics lectures on YouTube. By the end, he has 4 pages of notes, a tired hand, and half the concepts still unclear.
His friend Sneha does the same syllabus. Same videos. Same 2 hours. But Sneha uses one Chrome extension that summarizes the entire lecture in 3 minutes, pulls out key formulas, and lets her ask follow-up questions — all without leaving YouTube. Same effort. Very different result.
Why Indian Students Need This
The best part? You don't need to pay ₹50,000 for coaching or ₹2,000/month for premium apps. The tools in this list are free, work without VPN, and are simple enough for a Class 8 student to use on day one.
Coaching is expensive. Not everyone can afford Vedantu Pro or BYJU's premium. English is not everyone's first language. Time is always short. And internet isn't always fast — millions of students rely on Jio mobile data or shared Wi-Fi. Every extension here was selected with these realities in mind.
The 5 Extensions
5 Best AI Chrome Extensions
If you write anything in English — essays, emails to professors, project reports, college application letters — Grammarly is the one extension you simply must have. It reads your entire sentence, understands what you're trying to say, and suggests not just corrections, but improvements in how you express yourself.
Priya, a second-year BA student from Kolkata, wrote: "Sir I am not able to complete assignment because was sick."
Grammarly fixed it in one click: "Sir, I was unable to complete the assignment as I was unwell." — Professional, clear, and confident.
How Indian students use it most:
- Fixing grammar and spelling in English assignments before submission
- Writing professional emails to professors and placement cells
- Improving clarity in competitive exam essays — UPSC aspirants love this
- Checking tone: whether an email sounds too casual or too aggressive
If you could only install one AI extension, make it Merlin. Powered by GPT-4 and Claude — the same AI models that companies charge ₹1,600/month for — but 102 free queries per day, no payment required. You highlight any text on any website, press a keyboard shortcut, and Merlin explains it right there. You never leave the page.
Rahul, Class 11 from Jaipur, hit a wall with an Organic Chemistry reaction mechanism. He highlighted the paragraph, pressed Ctrl+M, and asked: "Explain this like I'm in Class 10." Merlin gave a step-by-step breakdown with an analogy in 10 seconds. No coaching teacher needed at 11 PM.
How Indian students use it most:
- Explaining tough NCERT concepts in simple language
- Asking follow-up questions while watching YouTube lectures
- Summarizing long articles for project research
- Writing and asking questions in Hindi — Merlin supports it fully
- Getting quick answers during self-study when no teacher is available
Every Indian student who has watched a 2.5-hour Physics lecture on YouTube knows the pain. Glasp fixes this by generating a full transcript and AI summary of any YouTube video — right inside YouTube. No copy-pasting, no opening new tabs.
Divya, a NEET aspirant from Chennai, clicks one button and gets a timestamped summary: "0:00 – Introduction to Cell Division | 14:32 – Mitosis vs Meiosis | 45:00 – Previous year NEET questions." What used to take 30 minutes of re-watching now takes 2.
- Summarizing free coaching lectures on YouTube (Physics Wallah, Khan Academy, Unacademy)
- Creating revision notes from video content without re-watching
- Jumping to specific topics in long videos using timestamps
- Highlighting and saving key points while watching
Not every Indian student is comfortable reading and thinking in English. Monica AI lets you talk to it in Hindi, Tamil, Telugu, Bengali, or Marathi — and it responds in the same language. Ask for an explanation in Hindi, then ask for an English summary for your assignment. All in one window.
Suresh, a BCom student from Bhopal, copies any English paragraph and asks Monica: "इसे हिंदी में सरल भाषा में समझाओ" — Monica explains clearly in Hindi. He then asks it to write an English answer. Suresh went from avoiding English assignments to submitting them confidently.
- Translating English study material into Hindi for better understanding
- Asking doubt questions in Hindi when English feels confusing
- Switching between languages mid-conversation without starting over
- Understanding science or economics concepts in mother tongue first, then English
Academic papers and research articles are not written for students — they're written for people who already know the subject. SciSpace fixes that. Open any PDF in Chrome, highlight any confusing sentence, and SciSpace explains it in simple English instantly.
Ananya, a BSc student from Delhi University, found a CRISPR research paper she couldn't understand. She highlighted "nuclease-mediated double-strand breaks" and asked SciSpace to explain it simply. Her project got an A.
- Understanding research papers for college projects and seminars
- Fact-checking information from articles before using in assignments
- Explaining complex equations and diagrams from PDFs
- Reading NCERT PDFs with instant explanation of tough paragraphs
- College students writing dissertations or literature reviews
Quick Comparison
All 5 Extensions at a Glance
All tested on Indian networks (Jio, Airtel, BSNL) in May–June 2026. No VPN used.
| Extension | Best For | Free Plan | VPN Needed | Hindi | YouTube | Paid Price | Rating |
|---|---|---|---|---|---|---|---|
| Grammarly | Writing & Grammar | ✅ Yes | ❌ No | ❌ | ✅ | ₹1,200/mo | ★★★★★ |
| Merlin AI | All-in-one AI | ✅ 102/day | ❌ No | ✅ | ✅ | ₹830/mo | ★★★★½ |
| Glasp | YouTube Summaries | ✅ Unlimited | ❌ No | ⚠️ Partial | ✅ | Free | ★★★★ |
| Monica AI | Regional Languages | ✅ 30/day | ❌ No | ✅ | ✅ | ₹1,500/mo | ★★★★ |
| SciSpace | Research & Projects | ✅ Unlimited | ❌ No | ❌ | ❌ | ₹1,000/mo | ★★★★ |
For Competitive Exams
Which Extension Is Best for JEE, NEET & UPSC?
Physics Wallah + Smart Notes
Turn 3 hours of passive watching into 45 minutes of focused study. Glasp handles YouTube summaries; Merlin handles concept doubts at 11 PM.
Dense PDFs Made Readable
NEET Biology means reading dense NCERT, textbooks, and supplementary PDFs. SciSpace makes every PDF readable; Merlin creates quick revision notes.
Answer Writing Mastery
This combination replaces much of what paid writing mentorship programmes charge ₹10,000+ for. Grammarly polishes writing; Merlin and SciSpace handle understanding.
One important note: these tools are study assistants, not shortcuts. The hard work of consistent practice and building concepts — that still has to come from you.
Safety & Privacy
Are These Extensions Safe?
When you install a Chrome extension, it asks for certain "permissions." Here's what each of our 5 extensions actually accesses:
Reads text you type in text boxes to give suggestions. Does not read passwords or bank details.
Reads the text you highlight and the page when you activate it. Doesn't run in the background silently.
Reads YouTube page content to generate transcripts. Doesn't access your Google account data.
Works similarly to Merlin — reads what you share with it, nothing more.
Reads the PDF or research article you open. Doesn't scan your downloads folder.
All 5 are on the official Chrome Web Store, reviewed by Google. India's DPDP Act (2023) gives you legal protections on how companies handle your data. Practical tip: Never type your Aadhaar number, school roll number, or any password into an AI extension's chat window.
Academic Integrity
Using AI Without Breaking College Rules
✓ Absolutely Fine
- Using Merlin to explain a concept you didn't understand in class
- Using Grammarly to fix grammar before submitting
- Using Glasp to summarize a 3-hour lecture for revision
- Using Monica to understand English content in Hindi first
- Using SciSpace to understand a research paper
✗ Not Okay
- Copying AI-generated text word for word and submitting as your own
- Asking AI to write your entire assignment without reading it
- Using AI during a closed-book exam or test
Think of it this way: using Grammarly is no different from asking a friend who is good at English to proofread your assignment. AI for learning = fine. AI-generated content submitted as your own work = academic dishonesty.
Getting Started
How to Install a Chrome Extension
Never installed a Chrome extension before? It takes less than 2 minutes:
-
Open Google Chrome
Chrome extensions do not work on mobile phones — if you're on a phone, look for the app versions of these tools instead.
-
Go to the Chrome Web Store
Type
chrome.google.com/webstorein your address bar, or search "Chrome Web Store" on Google. -
Search for the Extension
Type the extension name (e.g. "Merlin AI"). Click the correct result — look for the official one with the most reviews.
-
Click "Add to Chrome"
A blue button will appear. Click it, then confirm by clicking "Add extension" in the popup.
-
Done! Find It in Your Toolbar
The extension icon appears in the top-right corner of Chrome. Click it to start using it immediately.
FAQs
Frequently Asked Questions
Are these AI Chrome extensions free for Indian students?
Do these Chrome extensions work without VPN in India?
Which AI Chrome extension is best for JEE and NEET students?
Can Class 8 or Class 9 students use these extensions?
Do these extensions support Hindi?
Can I use these extensions on my Android phone?
Final Verdict: Where to Start
If you're feeling overwhelmed by the choices, here's a simple starting point:
- 1Install Merlin AI first. It's the most versatile, works in Hindi, gives 102 free queries a day, and covers most of what you'll need for daily studying.
- 2Add Grammarly. Whether you're in Class 9 writing an English essay or in your final year writing a project report, it makes your writing cleaner and more professional immediately.
- 3After a week, add one more based on what you need most:
Dr. Suryakant Prasad is a researcher at UPES, Dehradun, specialising in Cryptography and Cloud Security (56+ citations, h-index 4). He started StudifyLabs to give Indian students honest, practical guidance on AI tools — tested on real Indian internet, with a ₹0 budget, no VPN needed. He tests every tool himself before writing a word about it.