Understand complex tech in minutes
— not months.

Visual, handwritten-style notes that make Infrastructure, Cloud, Security & OSINT finally click.

One page. One system. Zero confusion.

🌐 Infrastructure ☁️ Cloud 🔒 Security 🔍 OSINT
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4
Topics Covered
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8
Study Guides
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85
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Visual Study Guides

Handwritten notes that transform complex systems into clear mental pictures

📝 Latest Articles

In-depth guides on infrastructure, cloud, security, and OSINT

Google Dorking Guide
Security & OSINT

Google Dorking: The Complete Guide

Master advanced search operators, ethical hacking techniques, and learn how to protect your website from dorking attacks.

DNS Guide
Infrastructure

How DNS Actually Works

Stop memorizing DNS records. Learn how DNS actually works with visual diagrams and real-world examples.

OSINT Tools
Security & OSINT

Top 7 OSINT Tools in 2026

The best open-source intelligence tools for 2026. What security researchers actually use.

Cloud Comparison
Cloud Computing

AWS vs Azure vs GCP

Forget market share charts. Here's which cloud you should learn first based on your career goals.

View All Articles →

Trusted by Engineers

Helping thousands of developers and architects visualize complex systems.

RM
Rohit Mehta
Senior Network Engineer

"I've been working with BGP and OSPF for 10 years, and I still reference these visual guides. The handwritten diagrams make complex routing logic immediately click in a way that dry vendor documentation never does."

★★★★★
SR
Shilpa Rao
Cloud Solutions Architect

"The Cloud & Infrastructure notes are gold. Usually, I have to draw these diagrams myself to explain concepts to clients. Now I just share VisualNotes. The 'DNS Administration' guide is a masterpiece of clarity."

★★★★★
AS
Anushka Sharma
DevOps Engineer

"Finally, study material that doesn't put me to sleep. The visual approach to Inter-VLAN routing saved me during my certification prep. It's concise, accurate, and actually fun to read."

★★★★★

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❓ Frequently Asked Questions

Everything you need to know about VisualNotes

What is VisualNotes?

VisualNotes is a visual engineering study platform that provides hand-drawn, easy-to-understand notes on Infrastructure, Cloud, Security, and OSINT topics. Our visual approach helps engineers and students grasp complex technical concepts quickly without spending months on traditional learning methods.

Are the study guides really free?

Yes! All our visual study guides and blog articles are completely free. We believe in making quality technical education accessible to everyone. You can download PDFs, view them online, and share them with your peers at no cost.

How do I access the PDF study guides?

Simply click on any study guide card and the PDF will open directly in your browser. You can view it online, zoom in/out, and download it for offline access. Our guides work on all devices including desktop, tablet, and mobile.

What topics do you cover?

We cover four main areas: Infrastructure (DNS, Inter-VLAN Routing, Netflow, SNMP, STP), Cloud Computing (AWS, Azure, GCP comparisons), Security (Google Dorking, ethical hacking), and OSINT (intelligence gathering tools and techniques). We regularly add new content based on community requests.

How often do you publish new content?

We publish new study guides and blog articles regularly. Subscribe to our newsletter to get instant notifications when we release new content. You'll also receive exclusive tips and early access to upcoming guides.

Can I use these notes for my certification exam?

Absolutely! Our visual notes are perfect for certification preparation. They complement official study materials by providing clear, visual explanations of complex topics. Many students use our guides for CCNA, AWS certifications, and security certifications.

Do you offer personalized learning or tutoring?

Currently, we focus on providing high-quality free resources. However, you can join our WhatsApp channel and Instagram community to ask questions, share insights, and connect with other learners. We're always happy to help!

How can I request a specific topic?

We love hearing from our community! Contact us via email at visualnotes.tech@gmail.com or message us on Instagram or WhatsApp. We prioritize topics based on community demand and create guides that help the most people.

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