Learning
How to Add a Watermark to an Image in JavaScript
Create watermarks in Vanilla JavaScript and with watermarkjs!
How to Add a Filter to a Video Stream in iOS
Applying stunning filters to videos requires different methods than applying them to files in iOS. Find out how!
How To Add Text to Video in Swift
Use Swift and AVMutableVideoComposition to add a text overlay to a video clip!
How To Pixelate an Image in JavaScript
Pixelate an image in Vanilla JavaScript without any libraries – with the <canvas> element!
How To Record Screen Video Using ReplayKit for iOS
Use Swift and ReplayKit to add screen recording to your application. Also use the new rolling clips feature introduced in iOS 15!
How to Apply Custom Image Filters Using HTML5 Canvas in JavaScript
Apply custom filters in JavaScript without external libraries – with the <canvas> element!
How to Trim and Crop Video in Swift
Learn how to use Swift and AVKit to crop a video clip and trim a video timeline.
How to Create Image Filters for iOS
Write a custom `CIFilter` in Metal and Swift, usable in any CoreImage pipeline.
How to Draw on an Image With JavaScript
Easily implement a brush to draw on an image in JavaScript, without using any external library!
How To Resize an Image in React
Quickly resize an image with the `react-image-file-resizer` React library.
How To Resize an Image With JavaScript
Today, you will learn how to resize an image in JavaScript, without using any external library. Thanks to the HTML <canvas> element, this is reasonably easy. Let's go!
How To Crop an Image in React
In this article, you will learn to crop an image in JavaScript. Specifically, you will see how to achieve this goal with the react-image-crop React library.
7 min read