Alternatives to ON1 Resize AI

Photo enlargement software that upscales images up to 10x using AI and fractal-based algorithms. The listings below can replace it for an important use case. Each note says what changes if you switch.

Replacements

Listings that take over the same core job as ON1 Resize AI.

  • Topaz Gigapixel

    A desktop AI image upscaler that enlarges photos up to 16x while recovering detail and faces.

    PaidProprietaryWindowsmacOS

    Topaz Gigapixel enlarges up to 16x instead of 10x, adds face recovery and a choice of local or cloud rendering, and remains paid commercial software on Windows and Mac.

  • Upscayl

    Enlarges low-resolution images with AI models running on your own GPU, in a plain drag-and-drop window.

    FreeOpen sourceWindowsmacOSLinux

    Upscayl is free AGPL-3.0 software that upscales locally on Windows, macOS and Linux, but needs a Vulkan-compatible GPU and has no Lightroom or Photoshop plugin.

  • Aiarty Image Enhancer

    A desktop AI image enhancer that denoises, deblurs, sharpens and upscales photos with local processing.

    PaidProprietaryWindowsmacOS

    Aiarty Image Enhancer upscales to very large sizes locally and adds denoise, deblur and sharpening, but it is not listed as a Lightroom or Photoshop plugin.

  • Topaz Photo

    Desktop image enhancement software that uses AI models to sharpen, denoise, unblur and upscale photos.

    PaidProprietaryWindowsmacOS

    Topaz Photo combines upscaling with denoise, sharpening, unblur and face enhancement in one paid app, running models locally or in the cloud.

  • Real-ESRGAN

    Open source AI model for upscaling and restoring images and video.

    FreeOpen sourceWindowsmacOSLinuxCommand line

    Real-ESRGAN is a free BSD-licensed upscaling model that also runs on Linux, but the core project is a command-line library rather than a polished GUI app.

  • Let's Enhance

    Online AI tool that upscales, sharpens and restores photos up to 512 megapixels.

    FreemiumProprietaryWeb

    Let's Enhance moves enlargement online with outputs up to 512 megapixels and batches of 20 images, but images are uploaded and heavier use needs a paid plan.

  • Icons8 Smart Upscaler

    An AI image upscaler from Icons8 that enlarges photos up to 8x in the browser or on a Mac.

    FreemiumProprietarymacOSWeb

    Icons8 Smart Upscaler enlarges up to 8x with batch processing in the browser or a Mac app, has a freemium model, and has no Windows app mentioned.

  • Clarity AI

    A web-based AI upscaler for images and video, with precise and creative enhancement models.

    FreemiumProprietaryWeb

    Clarity AI is a web upscaler offering faithful or creative models for images and video, requires an account, and creative models can add detail absent from the original.

Similar software

Related functionality, not a direct replacement.