You can create custom folder icons by using only the software that comes with your Mac. By taking the existing folder icon graphic and bringing it into Preview, you can tint the color and then add text, emoji or shapes to create a useful custom folder icon. Changing folder icons can be a little tricky and buggy, however. You can also use graphics apps to create more highly-customized icons and download icons online to use.
If you need to draw text along a circular path on your Mac, you'll find you need a third-party app to do it. One general image editing app that will do it is Acorn, available in the Mac App Store at a much lower cost than anything from Adobe. You can easily add text outside or inside of a circle, and make adjustments to the text afterward. You can then export the result to use in any app.
If you want to convert a group of JPG image files to a single PDF, you can use a variety of methods. Most people will tell you to use Preview. But there are other ways that are either simpler or more versatile. You can use a Quick Action to do it without even opening up an app. You can also use Pages and Keynote to create richer PDFs with border, text and other features. The best way may be to use Photos which offers a variety of printing options that can be used to create PDFs.
If you need to capture an entire web page as an image, it can be difficult to do so because macOS screenshots don't allow you to capture all of the contents of a scolling window. However, you can use many different techniques to get the entire contents of a web page. Safari has a hidden feature to do this, but sometimes it won't work on certain pages. You can buy third-party pro capture software that will let you take perfect screen grabs of entire pages. You can also use a feature of the free Firefox browser, though it sometimes doesn't work perfectly.
It isn't always possible to take a photo at the location and angle that you want. But you can straighten the photo afterwards on your Mac using most major image editing tools. Learn how to change the perspective and straighten a photo in Pixelmator, Acorn and Photoshop.
SVG images have been around for a while and are widely used on websites and in clipart collections. But you cannot import an SVG file into Pages or Keynote directly, without first converting it using professional software. But since Safari handles SVG images without a problem, and you can export as a PDF from Safari, you can use Safari to convert the image to a format that can then be used inside Pages and Keynote documents.
If you want to watermark your photos before sharing them using a logo or other graphic, you can build a semi-transparent image in Pixelmator and then use an Automator Quick Action to easily apply that watermark to any image file. A special Pixelmator watermarking action helps to make it a one-step Automator workflow.
In Preview you can open multiple images at the same time and export them all at once in a new format. You can also resize all of the open images at once, forcing them images to scale to a specific percentage or fit into a specific size. You can also do some other things in batches, such as rotations.
The new shapes included with updates to Pages, Numbers and Keynote can be customized by altering the points, lines and curves in the shape. You can also combine multiple shapes into one. You can save your new shape so it appears in all three apps for future use. If you break apart some shapes, you can apply different colors to different parts.
You can use Automator to apply Apple system (Quartz) filters to image files. This simple Automator app will convert an image to ASCII art. There are color and size options you can adjust to get the look you want. You can also try out some of the other Quartz filters for various effects.
Learn how to preview a large number of images in macOS Finder. You can use the Preview pane, large icons, cover flow, the Quick Look window, the Preview app and the Finder slideshow feature. See how these techniques can help you quickly locate the right image.
If you need a transparent image, like a circle, arrow or piece of text, you would usually create it in a graphics app. However, there is a way to create transparent images quickly using only Keynote. You can then use these as overlays on other images in Preview or in iMovie.
A good alternative to Photoshop on your Mac is Acorn, an inexpensive but powerful image editor in the Mac App Store. In this tutorial, learn how to cut out a person in one photo and place them in another.
If you want to add some text to a photo, you can do it with the Preview app that comes with your Mac. You can add some large text to create a funny or inspirational image to post to social media. Or, you can add a watermark to protect your images before uploading them to the web.
You can use Preview's editing tools to cut out a piece of an image. You can then paste that image in another picture. You can also copy a portion of an image, adjust the color in the rest of the image, and then paste the original segment back to make a part of your image stand out.
You can use Preview to edit images without needing to take them into iPhoto or an app like Photoshop. You can adjust the colors in an image, crop it, rotate it and even copy and paste portions of the image from one image to another. You can also resize and then export an image, which is something you may want to do before sharing a photo online.
Creating an animated GIF from a video is easy if you have an app to do it. Learn how to use GIFBrewery to create a quick GIF from a video. You can view these GIFs in the Finder, or in a web browser. You can also share them and upload them to many web sites.
You can perform some basic and fun image editing using only the Preview app that comes with your Mac. You can cut out a part of one image and paste it into another. You can also crop and resize an image before exporting it to share it.
Learn how to use layers in Pixelmator. You can place one image on top of the other and then use masks to blend them. You can use a simple clipping mask to quickly reveal only part of an image. You can use a layer mask to create cool effects like blending two images together gradually.
Learn how to crop photos using Pixelmator and then resize and export them. You can also cut out a part of an image and trim it. Pixelmator has a variety of ways to modify a selection to create better cut outs.