Tech-Hack

AAA in AA Clever Trick Turns a Small Battery Into a Large Battery

The clock stops, and you don't have the right AA battery on hand? A bit of aluminum foil and a smaller AAA battery can solve the problem.

Tech Hack Clever Trick Keeps Your Keyboard Clean

Crumbs and dust between the keys can be quite gross—TECHBOOK reveals how you can easily clean your keyboard with a sticky note.

Tech Hack Check if the remote control batteries are dead using your smartphone

The TV isn't responding—are the remote control batteries dead? You can check with this trick using your smartphone.

Tech Hack Remove Scratches on Your Phone Screen with a Baking Soda Trick

The smartphone's display has a few small scratches? Baking soda and a little water can help. TECHBOOK shows you how.

Tech-Hack How to Build a Smartphone Holder for the Outlet

Everyone knows the problem: The outlet is mounted too high on the wall, leaving no place to set your smartphone while it charges. With this tech hack, you can build a holder yourself in just two minutes.

With a cardboard box and a magnifying glass, you can turn your smartphone into a projector.

Tech-Hack Build Your Own Projector Using a Magnifying Glass and Smartphone

A movie night in the bedroom works even without expensive equipment. With a cardboard box and a magnifying glass, you can easily turn your smartphone into a projector.

With a template, you can quickly digitize your handwriting.

Tech-Hack How to Easily Transfer Your Handwriting to the Computer

Don't want to write long texts by hand? Just use your handwriting in Word.

Build a Phone Holder Out of Lego Bricks.

Tech-Hack Build a Phone Holder with Lego Bricks

Your smartphone is always everywhere and nowhere? Simply build a holder out of Lego bricks for your desk or shelf. That way, your device will always have a designated spot.

With minimal effort, you can create beautiful decorative images on canvas or wood.

Tech Hack for Cool Decor How to Easily Turn Instagram Photos Into Home Decor

With a few simple steps, you can transfer your photo prints onto canvases and other surfaces such as wood.

You can easily control your Windows PC remotely using a smartphone app.

Tech-Hack Use Your Smartphone as a Mouse and Keyboard for Your PC

Want to control your PC or Mac using an iPhone, Windows Phone, or Android device? We'll show you how to turn your smartphone into a remote control with the help of apps and software.

In seconds, the smartphone attaches to the car's air vent.

Tech Hack How to Build a Phone Holder for Your Car

DIY Phone Holder: This video provides instructions on how to attach your smartphone to your car's air vent.

Your smartphone isn't waterproof? Underwater photos are still possible with a trick.

Tech Hack How to Take Cool Underwater Photos

We reveal a trick for taking cool underwater photos with your smartphone.

Tech-Hack Cold Fingers? How to Make Your Own Stylus in 2 Minutes

To make your own stylus, all you need is some aluminum foil, a ballpoint pen, and a cotton swab. We provide a step-by-step guide on how this tech hack works.

With just two minutes of effort, you can turn your smartphone into a blacklight lamp.

Party Hit How to Turn Your Smartphone Into a Blacklight Lamp

Blacklight can be used for many purposes. TECHBOOK shows how to turn your smartphone's flashlight into a blacklight LED.

With a drop of water, you can turn your smartphone or tablet camera into a macro lens for close-up shots.

Tech Hack How to Build a Macro Lens for Your Smartphone

You want to take a close-up photo, but your smartphone just won't focus. This tech hack will make it work.

Create a Retro Adapter for Your Smartphone Camera Using Cardboard

DIY Retro Filter This Trick Makes Your Smartphone Photos Look Vintage

Retro is in! With this great trick, you can turn your smartphone into a pinhole camera for amazing retro photos in just two minutes.

Turn an old cassette case into a retro smartphone stand.

Tech Hack How to Turn an Old Cassette Case into a Phone Holder

An old cassette case is the perfect base for a cool phone holder. TECHBOOK explains how it works.

Tech Hack Frequent Cable Breaks? Try the Pen Trick

After bending comes breaking–this is true for cables as well. However, you can prevent cable breakage with an old ballpoint pen.

Tech Hack End the Cable Clutter on Your Desk

Minimal Effort for Maximum Organization: In this tech hack video, TECHBOOK demonstrates how to truly organize your desk. Unnecessary cables are given a designated spot, ensuring they never fall to the floor again.

All you need for this tech hack is a pair of scissors and an empty toilet paper roll.

Tech Hack How to Make a Phone Speaker from a Toilet Paper Roll

It doesn't always have to be expensive–TECHBOOK shows you how to make a smartphone speaker from a roll of toilet paper.

Crafting a Phone Case Using a Balloon–Quick and Practical

At festivals, on the beach... How to Make a Phone Case From a Balloon

Tech hacks simplify our lives. We show you how to quickly and easily make an almost free phone case.