Love them or hate them, it looks like photo filters are here to stay. The good news is that they can be subtle: Photos don't have to look like they were taken 45 years ago and left to yellow in some dusty album. Nevercenter's CameraBag ($20, currently on sale for $15) is a snappy and capable image editor that specializes in applying full-image effects and filters.
If you find Photoshop intimidating, you'll enjoy CameraBag's straightforward interface. Your image takes up the bulk of the screen, and a vertical toolbar across the right-hand side of the window lets you apply various filters.
Filters are stacked on top of your image, meaning you don't have to choose just one. When you apply a filter, its name shows up in a horizontal strip along the bottom of the image. If you're not sure whether or not you like the filter, you can toggle it off and back on easily, without having to hunt for it again in the list of filters.
That list is long, with filters spread out across several groups. It starts off with a My Styles group, which has very Instagram-looking filters named for years (1952, 1959) and styles (Cinema, Pinhole). But CameraBag 2 wasn't meant to be a mobile app, so it uses your computer's power: Hover your mouse over a filter, and you'll see an instant preview of what it would look like. It's very fast and quite informative.
The next group of filters, Cameras, features options like Instant Camera, Magazine Camera, and Matte camera. Each filter can be adjusted — you can "remix" the filter to vary its look, and use a slider to simply tone down the effect or make it more pronounced.
If you're not into heavy-handed filters (perfectly understandable), you should check out the Adjustments group. Here you'll find the basics: Crop and straighten your photo, adjust exposure and contrast, and tweak your image in other traditional ways. You can control its RGB, luminance, and coloring curves, and generally fine-tune its colors and exposure.
The final group of filters is perhaps the most gimmicky one: Borders. You can make your photo look like it's a frame out of an old film, a slide, and more. Then there's the Quicklooks tab, letting you get a feel for every filter and adjustments CameraBag can make using side-by-side thumbnails. It's very fast, but will only give you an initial idea of what each filter does, since the filters can be adjusted for very different looks.
Because CameraBag doesn't let you select regions of the image (no lasso or other tools), it lends itself well to keyboard shortcuts. There are shortcuts for flipping back and forth between filters, remixing and tweaking the current filter, applying a random filter, and comparing your processed image with the original. You can do just about anything without having to reach for the mouse — a rare quality for an image editor.
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