![]() There is a slight lack of sharpness over 400% enlargements For convenience and occasional 2x-4x enlarging, Adobe Photoshop is a viable choice, but it’s not as powerful as dedicated enlargement software or the best photo resizer apps. It’s really helpful that Photoshop shows the new image size once it’s been enlarged, as this allows you to determine how much storage space it’ll require. I’ve also found that running additional sharpening after a 4x enlargement can help. Things get a bit smoother and muddier at 4x and above, but the results are still usable. In my experience, a 2x enlargement works pretty well. I’d recommend the Preserve Details 2.0 resample algorithm – it always gives me the best results and the sharpest photos. You can then choose from various resampling options to retain detail when enlarging your photos. All you have to do is change the pixel dimensions while making sure to tick the Resample box. ![]() You’ve probably seen the tool and used it often! It’s called Image Size, and I’ve used this thousands of times. If you have Photoshop, you already have photo enlargement capabilities. You can use the Image Size tool in Photoshop to enlarge an image In this case, Adobe Photoshop presents a simple and convenient option for photo enlarging – even if it can’t quite compete with dedicated programs like Gigapixel and ON1 Resize. ![]() Maybe you don’t even want to use separate photo enlargement software and just want to use the tools you have. On the left side, you have a range of presets from different manufacturers like Epson and Canon, and when you select one of the sizes, a grid overlay appears on your photo so you can see how it will be cropped. I don’t personally print photos often, but I can see the usefulness of the preset print enlarging options. I did notice some haloing effects and a little softening, but you can tweak these using the built-in sharpening tools. The results were consistent and the image quality was maintained, so you don’t have to worry about producing a pixelated mess. I tested various 1024×683 px images and enlarged them to 2500x and 5000px wide. I favored the Long Edge option, where you enter the new dimensions for the longest edge of the photo and the program automatically calculates the other edge to keep the same aspect ratio. You can enter new pixel dimensions that you want the image enlarged to or select from a range of preset formats and ratios like 16:9. In terms of the actual enlarging process, I like how you are given full control. I like how on the right side you have the resizing options, and you can collapse any panels that you don’t want to use to give you more workspace. You are prompted to open a photo upon opening the software, and then a preview is loaded. You can’t really get it wrong, and I like the simplistic interface. Regardless, as I detail in my ON1 Resize AI review, the program is easy enough to understand and use. I think the price is okay for what the program does, but it isn’t the most cost-effective option. It’s available as a standalone product or as a plugin for Lightroom and Photoshop, and you can get it for a one-off purchase price. ![]() ON1 Resize AI is a spinoff from the popular ON1 Photo RAW photo editor and is a dedicated resizing program. It’s sometimes not clear when the image has been resized The only minor gripe I have is that whenever you try to view a different area in the photo preview, the AI model has to be reloaded, so it’s not the easiest program for actually looking at the detail in your images. There was certainly an improvement, although the standard model worked well, too. For example, with some of my architecture shots from Scotland, I used the Lines model, which is recommended for architecture with straight lines. I tested the different AI models, and the results do seem to be better than just using the standard (non-AI) model. Four different AI models in Topaz Gigapixel AI This adds another 1.9 GB of storage requirements, so if you don’t have a powerful desktop PC for editing or plenty of hard drive space, it could be an issue. The AI models are really useful, although I don’t like how you have to download them separately the first time you open the software. Before and after view of a 6x image enlargement in Topaz Labs Gigapixel AI I like how you can select an enlargement multiplier (I prefer this to specifying exact pixels). You can see in the screenshot below the original photo on the left and the 600% enlargement on the right. I tested various images starting at 1024×683 px, and the file quality remained nearly perfect even up to a 600% enlargement.Īt 600%, I couldn’t see any pixelation or reduction in detail, which is pretty incredible. The other options are great, but if I were a professional and needed the best results when making large prints, I would go with Gigapixel AI. Topaz Labs Gigapixel AI is my top enlargement choice, and it’s a clear winner in terms of image quality. ![]()
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