In today’s fast-paced world of remote work, online classes, and constant multitasking, having more screen space can be a game-changer. Whether you’re a student, a professional, or just someone who loves staying organized, turning your tablet into a second screen is a smart and affordable way to boost your productivity. And the best part? You don’t need to buy an expensive monitor or be a tech wizard to do it.
This guide breaks it all down in a simple, step-by-step way. No confusing tech talk—just clear instructions that work whether you’re on Windows, Mac, Android, or iPad.
Also Read: How You Can Stop if Your Smart TV Is Spying on You in 2025
6 Easy Ways Dual Screens Can Help You Get More Done
Stop Jumping Between Windows
Open two apps on separate screens and save yourself the hassle of switching back and forth. It keeps everything neat and efficient.
Make Proofreading Easier
Reading tiny text on a split screen is tough. Use one screen for your document and the other for making edits. It’s easier on your eyes and helps you catch more mistakes.
Speed Up Your Editing
Use your main screen for editing tools and your tablet to preview images, videos, or notes. It keeps everything in front of you.
Better Reading with Vertical Mode
Need to scroll through long pages or documents? Flip your tablet to portrait mode for a more natural reading experience.
Research While You Write
Writing an essay or article? Keep your research open on your tablet and write on your main screen. Copy and paste between the two with ease.
Zoom in for Design Work
Designers can use the second screen to zoom in on details or move specific panels to keep the main screen clear. It’s perfect for apps like Photoshop or video editors.
What You’ll Need to Get Started
Here’s what you need:
- A Windows PC or Mac
- An Android tablet or iPad
- A Wi-Fi network or USB cable
- A free or low-cost app that supports second screen use
GlideX: A Simple Way to Use Your Tablet as a Second Screen
GlideX is a super easy tool that lets you mirror or extend your PC’s display to your tablet or phone. It works with Windows, Android, iOS, and iPadOS.
What Makes GlideX Great:
- Works with both USB and Wi-Fi
- Lets you use your tablet as an extra screen
- Supports touch gestures like tap, scroll, and zoom
- Handy extras like file sharing and webcam use (especially on ASUS devices)
How to Set It Up:
- Download GlideX on both your PC and tablet
- Connect to the same Wi-Fi or plug in a USB cable
- On Android, turn on USB debugging if using a cable
- Launch the app on both devices
- Tap “Start Now” and pick your device
- Accept the screen share request on your tablet
Now your tablet acts like a real second screen. Move apps, drag windows, and switch tasks easily using Alt + Tab.
Tweak Your Display Settings:
- Choose between auto or manual display modes
- Adjust layout, resolution, and refresh rate (up to 60 FPS)
- ASUS users can connect two devices and get up to 2K resolution
Other Free Apps to Try for a Second Screen Setup
1. AirDroid Cast
- Works on most major devices
- Connect with a QR code or pairing code
- Basic version is free; advanced features need a subscription
How to Use It:
- Install on both devices
- Launch the app and choose “Cast To”
- Scan the code or enter it manually
- Accept permissions to start mirroring
2. Duet Display
- Works with almost all devices
- Supports both wireless and USB
- Offers smooth performance but requires a subscription
Getting Started:
- Install Duet on both devices
- Sign in and connect your tablet
- Customize your display settings to extend the screen
3. Splashtop Wired XDisplay
- USB only, but very stable
- Great for Windows and macOS users
- Free with limited features
Steps:
- Install the app on both devices
- Connect with a USB cable
- Open the app and hit “Extend Desktop”
4. Spacedesk
- Free and supports a wide range of devices
- Works via Wi-Fi, USB, or LAN
- Touch-friendly for supported tablets
Setup:
- Install Spacedesk on your PC and tablet
- Connect to the same Wi-Fi network
- Use the IP address shown on PC to connect via tablet
5. iDisplay
- Works on Android, iOS, Windows, and macOS
- Now available for free
To Set It Up:
- Install on both devices
- Connect over Wi-Fi or USB
- Extend your display and adjust settings
Using a Samsung Tablet with Built-in Second Screen
If you have a Samsung Galaxy Tab S7, S8, or newer with One UI 3.1+, you can use the built-in “Second Screen” feature—no apps needed!
Here’s What You Need:
- A Samsung tablet with One UI 3.1 or higher
- A Windows 10 or 11 PC that supports wireless display
Quick Steps:
- Pull down Quick Settings on your tablet
- Tap “Second Screen”
- On your PC, press Win + K
- Choose your tablet and accept the connection
- Boom! You’re set.
Bonus: How to Use an iPad as a Second Monitor
For Mac Users:Use the same Apple ID on both devices
Go to System Settings > Displays
Choose your iPad and click “Extend Display”
For Windows Users:
- Use a USB-compatible HDMI capture card
- Connect PC to the card and iPad
- Use an app that supports video input
- This method works best with iPad OS 17 and above.
Quick Tips to Get the Best Experience
- Use 5GHz Wi-Fi or a high-quality USB cable
- Keep devices close to your router
- Close background apps to free up memory
- Match screen resolution to your tablet
- Keep apps and systems updated
Real-Life Uses for a Dual-Screen Setup
- Work: Keep notes on your tablet while writing on your PC
- Video Editing: Edit on one screen and preview on the other
- Design: Use one screen for tools, the other for your project
- Gaming: Display maps, chats, or controls on the tablet
Frequently Asked Questions (FAQs)
1. Can I use my tablet as a second monitor?
Yes! Many apps and features let you do this easily.
2. What’s the best app for this?
GlideX, Duet Display, and Spacedesk are great options.
3. Do I need the internet for this?
Nope. Just a local network or USB cable will do.
4. Can I extend my screen, or only mirror it?
Most apps let you do both.
5. Is there lag?
Wired setups have little to no lag. Wi-Fi might vary.
6. Is it safe to use these apps?
Yes, as long as you use official versions.
7. Will older tablets work?
Yes, but performance may depend on the hardware.
8. Can I touch the tablet screen to interact?
Many apps support touch input.
9. Can I use this for gaming?
Yes, especially for side tasks like chat or maps.
10. Do I need to pay for these apps?
Some apps are free; others may require a one-time purchase or subscription.
Final Thoughts
In 2025, making your tablet a second screen is one of the easiest ways to level up your workflow. Whether you’re using an iPad, Android tablet, or Samsung device, there’s a method that works for you.
With simple setups, free tools, and some helpful tips, you can turn your tablet into a powerful productivity companion—no tech degree required. Give it a try and enjoy a cleaner, more efficient workspace today.
