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Real-ESRGAN alternatives

Real-ESRGAN is a free, open-source project for restoring images and video, with models for general images, anime images, and anime video. It supports batch processing, alpha-channel, grayscale, and 16-bit images, and can output JPG, PNG, and WebP. Its Python implementation allows custom training and arbitrary output scaling; portable executables run without a CUDA or PyTorch environment. The portable version supports 2x, 3x, or 4x scaling, but not every Python feature, and the Python route requires Python 3.7 or newer and PyTorch 1.7 or newer.

  1. 1

    NextGenUp

    Free plan LinuxMacSelf-hosted+2

    Local processing and 8K image enlargement — NextGenUp adds local-only processing and Quick, Quality, Enhance, and Ultra modes for upscaling images to 8K.

    7.7 Free plan Visit site
  2. 2

    Bigjpg

    by Bigjpg
    Free plan AndroidAPIiPhone+3

    Mobile access, API, and single-image super-resolution — Bigjpg offers Android, iOS, and API access for AI single-image super-resolution, unlike Real-ESRGAN's restoration project and portable executables.

    7.6 Free plan · paid from $6 Visit site
  3. 3

    Krea Enhancer

    Free plan APIiPhoneSelf-hosted+1

    Browser-based enhancement with broad image formats — Krea Enhancer accepts HEIC and HEIF and offers an upload-enhance-download workflow with image upscaling to 8K.

    7.7 Free plan · paid from $9/mo Visit site
  4. 4

    LetsEnhance

    by LetsEnhance
    Free plan API

    API image upscaling with JPG, PNG, or WebP — LetsEnhance provides AI upscaling and batch processing through an API, rather than Real-ESRGAN's desktop and self-hosted options.

    7.2 Free plan · paid from $9/mo (annual) Visit site
  5. 5

    SupaRes

    by SupaRes
    Free plan APIWeb

    Web-based enhancement, restoration, and denoising — SupaRes combines upscaling with image restoration, denoising, fixing, and optimization in a web and API platform.

    7.4 Free plan · paid from $9/mo Visit site
  6. 6

    PixelPanda Image Upscaler

    Free plan APIExtensionWeb

    Upscaling plus product photography and image tools — PixelPanda adds 2x, 4x, or 8x upscaling and other image tools, while its upscaler itself uses Real-ESRGAN.

    7.5 Free plan · paid from $1.99 Visit site
  7. 7

    PicWish Image Upscaler

    by PicWish Image Upscaler
    Free plan API

    API and desktop batch upscaling across image formats — PicWish offers API access, desktop availability, and support for BMP and JFIF inputs alongside common image formats.

    7.2 Free plan Visit site
  8. 8

    Chatterbox TTS

    by Chatterbox TTS
    Free plan Open source APILinuxMac+2
    8.5 Free plan Visit site
  9. 9

    Upscal

    by Upscal
    Free plan iPhoneMacWindows
    7.4 Free plan Visit site
  10. 10

    SuperImage

    by SuperImage
    Free plan AndroidMacWindows
    7.4 Free plan Visit site
  11. 11

    Imglarger

    Free plan AndroidiPhoneMac+1
    7.4 Free plan · paid from $9.99/mo Visit site
  12. 12

    waifu2x

    Free plan LinuxMacWeb+1
    7.4 Open source Visit site
  13. 13

    Deep Image

    by Deep Image
    Free plan APIWeb
    7.3 From $0.04 Visit site
  14. 14

    Image Upscaler

    Free plan APIWeb
    7.3 Free plan · paid from $9.90/mo Visit site
  15. 15

    Adima Image Upscaler Pro

    by Adima Image Upscaler Pro
    Free plan AndroidWindows
    7.3 Free plan · paid from $7.99/mo Visit site
  16. 16

    chaiNNer

    Free plan LinuxMacWindows
    7.3 Free plan Visit site
  17. 17

    Hotpot AI Upscale Photo

    Free plan APISelf-hostedWeb
    7.3 Free plan Visit site
  18. 18

    Ximilar Image Upscaler

    by Ximilar Image Upscaler
    Free plan APISelf-hostedWeb
    7.3 Free plan · paid from $69/mo Visit site
  19. 19

    Real-CUGAN

    Free plan AndroidLinuxMac+3
    7.3 Free plan Visit site
  20. 20

    Clipdrop

    by Clipdrop
    Free plan AndroidAPIiPhone+1
    7.3 Free plan Visit site
  21. 21

    Media.io AI Image Upscaler

    Free plan AndroidAPIiPhone+1
    7.3 Free plan Visit site
  22. 22

    Upscale.media

    by Upscale.media
    Free plan API
    7.2 Free plan · paid from $5.99 Visit site
  23. 23

    Upsampler

    by Upsampler
    Free plan API
    7.2 Free plan · paid from $15/mo Visit site
  24. 24

    LosslessImage

    by LosslessImage
    Free plan MacWindows
    7.2 Visit site

Alternatives may suit people who want a local workflow with larger stated image sizes, browser-based enhancement, mobile access, or an API. Compare where processing happens, which platforms and formats are supported, whether batch or API workflows fit your needs, and how free-use limits and paid plans work. Also consider whether you need Real-ESRGAN's restoration models and training options or broader editing tools. Some products use Real-ESRGAN themselves, so changing products does not always mean changing the underlying upscaling approach.

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