How To : Save an image as a .png file in Paint
Learn how to use the Paint program: showing how to save an image as a .png file.
Learn how to use the Paint program: showing how to save an image as a .png file.
Photoshop has the capability to handle many different file formats, though many of these files are now obsolete. The five most common formats currently in use are .psd, .tif, .jpg, .png and .exr. This tutorial explains the pros and cons for using each format in Adobe Photoshop ...more
Changing the carrier name from an unlocked iPhone's status bar has been possible to do ever since Cydia released Zeppelin earlier this year. The application comes with preset logos you can use such as Pac-Man, Space Invaders, the Assassin insignia of the Assassin Order from As ...more
The first question people ask me when they come to my apartment is usually "What's your Wi-Fi password?" While I'm happy to give my friends free access to the internet, it's hard to walk each person through my secure password. Luckily, there's a way to create a QR code that wi ...more
After my hard drive crashed recently, I lost everything. Old college essays, half-written stories, short films, and most importantly, all of the photos that I had saved from the past five years... all gone. Since I didn't back up my hard drive (stupid mistake #1), or upload p ...more
When you take a screenshot on your iPhone, it's automatically saved to your Photos app. You can ignore the screenshot thumbnail or swipe it away, but you shouldn't. If you open the screenshot editor instead, you'll gain access to your iPhone's most useful screen capture tool: ...more
When we hack a web server, we usually want to be able to control it in order to download files or further exploit it. There are many websites that let you upload files such as avatar pictures that don't take the proper security measures. In this series, I will be showing you h ...more
One of the most useful new features Apple included on iOS 16 lets you instantly lift the subject out of a photo, separating it from the background. Once extracted, you can paste, save, or drop the cutout wherever you want as a new image, and you can even make it a sticker in m ...more
The idea of a dock on any smartphone, be it iPhone or Android, is a fantastic invention. It allows you to stay grounded with a core group of apps that you frequently use. However, sometimes that dock can feel like an obstruction in the face of style — but there's a trick to hi ...more
There are definitely some very cool things about the new iOS 7, but it's also got plenty of downsides, one being the updated look of stock app icons. Apple drastically changed their glossy skeuomorphic icons for a flat, modern squircle look using their golden ratio grid. If y ...more
Chromecast is so small and portable that it would seem to be a perfect device for making PowerPoint presentations. But even now that you can mirror your Android device's display, there are still a few issues. For instance, auto-rotation kicks in when you're not paying close e ...more
When you think of Terminal, you probably imagine some hacker sitting in front of their computer in a dimly lit room trying to break into an FBI database. In reality, it's just a simple tool that can make using your Mac much easier. Now, I'm not saying that learning Terminal c ...more
One of the most promising avenues of attack in a web application is the file upload. With results ranging from XSS to full-blown code execution, file uploads are an attractive target for hackers. There are usually restrictions in place that can make it challenging to execute a ...more
Well hello dear readers of Null byte, let me start off stating english is not my first language and they will be some grammar mistakes. This also is my first tutorial so don't hesitate to give me feedback :) You may have made a malicious apk (android package) before on kali, ...more
As a regular Mac OS X user, I have a love/hate relationship with the "Open With" contextual menu. Sometimes, it has just what I need. Other times, it's often packed with unnecessary or duplicate items, or missing the app I want to open the file up with the most. Unfortunately ...more
I'm an Android user. Over the course of the past seven years, I've owned ten different smartphones—all of them powered by Android. This isn't due to some blind trust in Google or some unfounded hate for Apple, either, because I've always made sure to get my hands on each iPhon ...more
With the release of the Mirai source code, botnets are back in a big way. In the early days of botnets, zombies (infected hosts) would report to IRC (Internet Relay Chat) channels for CNC (command and control) instructions. Modern botnets have evolved, but they continue to use ...more
Some websites block image downloads on their webpages so you can't save them for reuse. That means long-pressing or force-pressing on protected images in Safari on your iPhone will not do anything or will omit the "Save Image" option. Taking a screenshot is the obvious solutio ...more
Welcome back, my nascent hackers! In the conclusion of the Mr. Robot television series, Elliot and fsociety successfully completed their mission of encrypting all of Evil Corp's data with AES-128 encryption and destroying the key. Now that all of the data on Evil Corp's serv ...more
Nearly every native app on the iPhone received an upgrade or new features in iOS 14 — and Safari is no exception. The web browser now has better password protection, faster performance, privacy reports, and built-in translations, just to name a few. Some of the Safari updates ...more
If you want to take your iPhone or Android photos to the next level, Snapseed is one of the best options. When it comes time to share pictures with friends and family, you want them to look as good as possible, so a little post-processing is in order. The problem is that Snaps ...more
Here I'm going to show you the most easiest and quickest way to make a cartoon from your photos. the photo can be anything, but must be well focused. so let's start with it. Requirements: 1. Computer with Photoshop installed. 2. Well-focused photo to manipulate. Step by St ...more
Once a hacker has created a PowerShell payload to evade antivirus software and set up msfconsole on their attack system, they can then move onto disguising their executable to make it appear as a regular text file. This is how they will get a Windows 10 users to actually open ...more
The reveal of Apple's new ARKit extensions for iPhones and iPads, while not much of a shock, did bring with it one big surprise. By finding a solution to surface detection without the use of additional external sensors, Apple just took a big step over many — though not all — s ...more
There's no denying that there are some seriously useful new features in iOS 11 for iPhone. But there's also no denying that Apple got a few things wrong with the latest iOS update, as well as left a few important features out. Some of the items listed below are things Apple b ...more
Metadata contained in images and other files can give away a lot more information than the average user might think. By tricking a target into sending a photo containing GPS coordinates and additional information, a hacker can learn where a mark lives or works simply by extrac ...more
With an ordinary birthday card, we can introduce a physical device which contains malicious files into someone's home and deceive them into inserting the device into a computer. In my last series, we used a Post-it note to trick a neighbor into visiting a website that we cont ...more
Hey guys, I am back this time with a small trick. Many of us do not like the old background in GRUB BOOT LOADER, you might be using kali linux or any other linux and using GRUB BOOT LOADER then this is for you. Step 1: Navigating to the Folder First of all,open root directo ...more
Welcome to part three in a series about steganography, the art of hiding things in plain sight. We are practicing steganography because it can be a useful skill if you don't have access to encryption software, or need a quick solution to make sure the sender and recipient are ...more
Your iPhone's clipboard can only save one item at a time, so it may seem impossible to retrieve your entire history of copied text, images, and other content. Luckily, there is a workaround you can use to find and copy your past clipboard contents, but you have to implement it ...more
Introduction I will not go into some time-waster of a story about how I came to build this app. It was a prerequisite in a bigger project I am still tinkering with from time to time. What are QR Codes? No doubt you have seen these all over the place in recent years. Origina ...more
Nmap is more powerful than you know. With a few scripts, we can extend its functionality beyond a simple port scanner and start to identify details about target servers sysadmins don't want us to know. Possibly the most popular and well-known reconnaissance tool currently ava ...more
Minecraft mods (modifications) are additions to the game that change the way you play. They include texture packs, shaders, changes in gameplay, additions and subtractions and everything in between. Some of this information is very basic, other bits might help you along if you ...more
If you're not using your iPhone's Files app yet to manage images, documents, and other files on iCloud, third-party cloud services, or your local storage, it's time to start. Apple's built-in file manager is finally a powerhouse with many tricks up its sleeve in the latest sof ...more
Need help getting started on this week's WTFoto Challenge? Look no further! In this tutorial, I will teach you how to create simple chalk symbols and writing in Photoshop. So read through this post and try it out yourself—or I'll tell your cousin what you said when you were dr ...more
A lot of people still trust their web browsers to remember every online account password for them. If you're one of those users, you need to adopt a more secure way of managing passwords, because browser-stored passwords are hacker gold mines. With a USB Rubber Ducky and physi ...more
You might think your photo is amazing, but in the midst of editing it and getting ready to post it on social media, you notice something in the background. Maybe it's an unwelcome stranger or a wide-open dumpster, or it's the entire backdrop, but suddenly you realize that it's ...more
While the increasing superiority of smartphone cameras is great, they can be a double-edged sword. Sure, we get great images that are crystal clear, but at what price? Storage space on your devices ends up paying the price for this luxury, filling up quickly due to the high-qu ...more
What if you could easily visualize which access point every Wi-Fi device nearby is connected to in a matter of seconds? While programs like Airodump-ng can intercept this wireless information, making it easy for hackers to use and understand is another challenge. Fortunately, ...more
Every photo you take is brimming with metadata such as iPhone model, date and time, shooting modes, focal length, shutter speed, flash use, and geolocation information. Share these pictures with friends, family, or acquaintances via texts, emails, or another direct share metho ...more
The screenshot tool on your iPhone can come in handy in various ways, but it may be even more helpful than you realize. So if you thought you knew everything there was to know about your iPhone's screenshot tool, it's time to put your knowledge to the test. Many of these hidd ...more
What appears to be an ordinary MP4 may have been designed by an attacker to compromise your Linux Mint operating system. Opening the file will indeed play the intended video, but it will also silently create a connection to the attacker's system. Understanding the Attack Whi ...more
When you export an image from the Photos app in macOS, you may not be getting the whole deal. In the export menu, you need to select either JPEG, TIFF, or PNG, and if you don't make any adjustments to the quality settings, it'll likely be compressed. If you need the original f ...more
In a previous tutorial, we were able to measure vertical surfaces such as walls, books, and monitors using ARKit 1.5. With the advent of vertical plane anchors, we can now also attach objects onto these vertical walls. In this tutorial, you'll learn how to make your augmented ...more
This how-to article is about changing you Mac icons. It goes into detail on how to make your dock icons a different image, like your favorite sports team or just a cool looking image. Video: . Step 1: Choose an Image Choose an image you would like to use. When searching the i ...more
The OnePlus 7 Pro is definitely a beast on paper. With a specs page that ticks virtually every box and a price point that undercuts the competition by hundreds of dollars, it's hard to overlook this phone. But before you get too excited, know that OnePlus has repeatedly shown ...more
Analysis of photographs and social connections can be a huge component of social engineering. Understanding who a person is, as well as who they know, can establish links within a company. This information could be used by hackers to execute elaborate social engineering attack ...more
When it comes time to buy a new smartphone, the sheer amount of options on the market can make you feel overwhelmed. There are Android devices of all shapes and sizes with different functionalities and price points, and now, even Apple has three unique iPhone models to fit var ...more
In our last ARKit tutorial, we learned how to measure the sizes of horizontal planes. It was a helpful entryway into the arena of determining spatial relationships with real world spaces versus virtual objects and experiences. This time around, we'll dive into a slightly diff ...more
Macs, like pretty much all Apple products, are notorious for not having a highly customizable UI. They do this to keep a consistent look and feel across all of their devices, but I've grown bored of it over the years. To help liven things up, Bhavin121 found a way to change t ...more
With the macOS stager created and the attacker's system hosting the Empire listener, the malicious AppleScript can be designed and disguised to appear as a legitimate PDF using a few Unicode and icon manipulation tricks. A real PDF is required for the attack to work. Files ov ...more
Today, I want to share a tutorial on one of the most useful but old methods which you could use to hack websites, that is using the Dot net nuke (DNN) vulnerability . I know some of you already know about this method. Note: This method only works if the website has the vulner ...more
It's super easy to add filters, adjust levels, and crop images using the default photo editor on your smartphone, but there's rarely any built-in tool for removing the background in a photo. A third-party app can help isolate people and objects in your pictures, and we've foun ...more
Android is all about customization: "Be together. Not the same," as Google's latest ads for the platform put it. Changing your device's boot animation, for instance, is one of the many great ways you can add a touch of personal flair. Up until now, though, boot animation mods ...more
The iPhone XR has touched down alongside the XS and XS Max, and it utilizes tried and tested materials found on the iPhone 8, while being molded in the same vein as the iPhone X. The budget-friendlier flagship comes with its own set of design elements to set it apart from its ...more
There are some important new features in the Photos app on iOS 17 and iPadOS 17 that will streamline editing, give your pets more recognition, help you learn about the world you've captured, and even add a bit of fun to your day. There are even a few hidden tricks that may sur ...more
Greetings my fellow hackers, In the previous article, I discussed briefly about ransomwares and their devastating capabilities. Devastating in a way that ransomwares are not only known to encrypt files but to also lockout some specific functions of the system and hold it up f ...more
New to Ubuntu Linux? This computer operating system could be a bit tricky for beginners, but fret not, help is here. Check out this video tutorial on how to install GRUB 2 and apply themes on Ubuntu Linux. GNU GRUB is a multiboot boot loader. It was derived from GRUB, GRand U ...more
Welcome back, my greenhorn hackers! In many cases when a computer, phone, or mobile device is seized for evidence, the system will have graphic images that might be used as evidence. Obviously, in some cases these graphic images may be the evidence such as in child pornograph ...more
The Galaxy S10 has finally been revealed to the masses, and it certainly doesn't disappoint. As the flagship to herald the tenth anniversary of the venerable Galaxy S line, the S10 has kept popular and familiar design elements like the immersive Infinity Display while employin ...more