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Image upscalers for Mac, compared

Compare paid image upscalers for Mac by method, price and workflow: MacnifyIt next to Pixelmator Pro, Photoshop and Lightroom, Topaz Gigapixel and ON1 Resize AI. MacnifyIt's Exact and Clarity methods use non-generative Lanczos-3 resampling, recalculating pixel values while keeping the composition, then a bounded sharpening of the edges already in the picture — no regenerative AI. Enhance (AI), MacnifyIt's optional third method, estimates added detail with a disclosed model. AI upscalers estimate detail, and their results vary by model and settings.

Contains AI-estimated detail.

Prices are in USD. Features, compatibility and terms change; check the vendor’s site before buying.

MacnifyIt

Contains AI-estimated detail.

Best for
A larger version of an approved image: product photos, artwork, AI images for print, recurring batch work
Method
Exact and Clarity: non-generative Lanczos-3 resampling in linear light, then a bounded sharpening of the edges already in the picture (every pixel stays within the range of its source neighbours) — no regenerative AI. Enhance (AI), an optional third method, is a disclosed AI model: every export is marked with the model's own disclosure. Contains AI-estimated detail. Check it at 100 % before you export. Exports to PNG, JPEG, TIFF or WebP
Where it runs
On your Mac: no upload, no download
Scale options
2×, 4×, 8×, a target long edge, exact width or height, fit within a box, or a percent (about 400 MP cap; 200 MP for 16-bit PNG or TIFF)
Batch
Yes: files, folders, the Finder menu, an Export Queue with per-file status, and saved recipes to repeat a set of outputs
Mac
macOS 12 or later (planned; tested on 26.6)
Price
$29 one-time (USD), one Mac, 12 months of updates. Free trial: 12 full-resolution exports

Pixelmator Pro

Best for
An image editor that also upscales
Method
ML Super Resolution (machine learning)
Where it runs
On your Mac
Scale options
Custom dimensions
Batch
Not verified here
Mac
macOS 26 for the current version; iPad
Price
$49.99 one-time, or Apple Creator Studio at $12.99 a month

Adobe Photoshop and Lightroom

Best for
People already paying for Creative Cloud
Method
Super Resolution in Camera Raw and Lightroom (machine learning: 2× width and height, once per image, DNG output); Photoshop also offers conventional resampling
Where it runs
On your Mac
Scale options
2× with Super Resolution; custom dimensions with conventional resampling
Batch
Several photos at once in Lightroom
Mac
Yes
Price
Photoshop US$22.99 a month; Photography plan US$19.99 a month (annual plans, billed monthly)

Topaz Gigapixel

Best for
AI enhancement of low-resolution images: faces, old photos
Method
Machine-learning and generative models
Where it runs
Local and cloud; the generative models need cloud rendering on Intel Macs
Scale options
Up to 16× (advertised); model and output limits apply
Batch
Yes
Mac
macOS and Windows (see Topaz’s system requirements)
Price
US$149 a year or US$29 a month (Personal: commercial use limited to organisations under $1M revenue); Pro US$499 a year

ON1 Resize AI 2026

Best for
Photographers printing large
Method
AI models plus Genuine Fractals resampling
Where it runs
On your Mac
Scale options
Up to 10× (advertised)
Batch
Yes
Mac
macOS, Windows
Price
One-time licence; ON1 shows the current price at checkout
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Which method for which job

Use case and dimensions
Method and honest expectation
Use case and dimensions
Marketplace listing: 600 × 600 → 2,400 × 2,400 at 4×
Method and honest expectation
Pick Clarity for bounded sharpening of existing edges; no missing detail recovered. Check labels and seams.
Use case and dimensions
Supplier/catalogue thumbnail: 275 × 183 → 2,200 × 1,464 at 8×
Method and honest expectation
Pick Exact when product fidelity matters; source softness remains. If inadequate, request the supplier’s larger original.
Use case and dimensions
Approved AI draft: 512 × 512 → 2,048 × 2,048 at 4×
Method and honest expectation
Pick Exact to avoid invented detail. For a fuller appearance, try Enhance (AI). Contains AI-estimated detail. Check it at 100 % before you export. Reapprove the result.
Hero dimensions do not guarantee usable detail or marketplace acceptance. For print, 2,400 px at 300 PPI gives 8 inches, not a quality guarantee.

Which one fits the job

A larger version of an image you have already approved

MacnifyIt’s Exact and Clarity methods. Nothing is invented: the larger file is the same picture, resampled in linear light, with every edge kept within its source. Check it at 100 % in the compare view before you export.

Detail the source never had

Contains AI-estimated detail.

Every AI upscaler estimates it, MacnifyIt’s Enhance (AI) included, and every estimate can change faces, text, textures and product details. MacnifyIt says so on the export and lets the AI detail slider decide how much of the estimate you keep.

Photos you already edit in Photoshop, Lightroom or Pixelmator Pro

Their Super Resolution features double the size once per image, inside the editor. MacnifyIt takes the finished file to an exact size or to 2×, 4× and 8×, a folder at a time, straight from Finder, with a receipt beside every export.

A quick one-off resize

Preview is built into macOS and will do it. MacnifyIt is free to try with a dozen full-resolution exports, no account and no time limit, so the comparison costs nothing.

What the $29 buys

Contains AI-estimated detail.

A resize is easy; a result you can send to print is not. MacnifyIt is for work where the outcome matters: Exact and Clarity’s non-generative resampling, Enhance (AI) when you want more, exact output sizes, the Finder menu, folder batches with an Export Queue, saved recipes, the 100 % check, exports that keep colour profiles and metadata, a flatten colour picker for transparent sources, and a job receipt beside every export. Try it on your own files before paying.

MacnifyIt against each one

MacnifyIt vs Topaz Gigapixel

Gigapixel’s models add detail the source did not have; that is the point of the product, and the reason its results can change faces, textures and text. MacnifyIt’s Exact and Clarity methods never invent detail: the upscaled image is the same picture, resampled. When you do want estimated detail, MacnifyIt’s Enhance (AI) is a disclosed, adjustable option marked on every export. Gigapixel is a subscription, US$149 a year on the Personal plan and US$499 on Pro; MacnifyIt is US$29 one-time with 12 months of updates.

Contains AI-estimated detail.

MacnifyIt vs Pixelmator Pro

Pixelmator Pro is a full image editor with an ML Super Resolution feature. MacnifyIt does one job and does it from Finder: resampling to an exact size or to 2×, 4× and 8×, for one file or a whole folder, with a receipt that records how each export was made.

MacnifyIt vs Photoshop and Lightroom

Adobe’s Super Resolution doubles width and height once per image with machine learning and writes a DNG; Photoshop’s Image Size dialog offers classic resampling. Both need a Creative Cloud subscription. MacnifyIt is $29 one-time, needs no other software, resamples in linear light to exact sizes, and batches folders straight from Finder.

MacnifyIt vs ON1 Resize AI

ON1 Resize AI pairs AI models with Genuine Fractals resampling inside a photographer’s toolkit. MacnifyIt keeps the choice explicit — Exact and Clarity never invent detail, Enhance (AI) is disclosed on every export — and runs the whole job on your Mac with no upload and no download.

Contains AI-estimated detail.

Test on your own files at 100 %. Apparent sharpness and fine-detail changes depend on the source, the model and the settings. If something here is out of date, tell us and we will correct it.

Try MacnifyIt on your own photos.

A dozen full-resolution exports free. Unlimited previews. No account, no time limit.
Download for Mac
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