AI Toolsby Vomini

#10 of 10 in Upscalers · Xintao Wang (Tencent ARC)

Real-ESRGAN

The classic free upscaling model behind many apps.

FreeOpen sourceRuns on your PC
Best for
Developers and anime upscaling
On your PC
Technical
Works on
Windows, Mac, Linux
License
BSD-3-Clause

What’s good

  • Fast and light, runs on modest graphics cards
  • Great on anime and drawings
  • Engine inside Upscayl and many other apps

Downsides

  • No update since 2022; photos can look waxy
  • Command line only; use Upscayl for a simple app

// details

The details.

Version
v0.3.0Released 2022-09
Open source
Yes, BSD-3-Clause
Made by
Xintao Wang (Tencent ARC)
Website
github.com

// our verdict

Should you use it?

It is #10 of 10. Good for developers and anime upscaling; for most people, Topaz Gigapixel is the better start.

// on your computer

Can I run it myself?

Yes. Technical: command line or python.

Use Command line (realesrgan-ncnn-vulkan), or inside Upscayl and chaiNNer.

You need
Any Vulkan graphics card from Intel, AMD or NVIDIA, or Apple Silicon
Setup
TechnicalCommand line or Python
  • Laptop, 8 GBToo small
  • PC, 16 GB+Too small
  • Mac, 16 GBRuns
  • Mac, 32 GBRuns
  • Mac, 64 GB+Runs
  • PC, 8 GB GPUToo small
  • PC, 12 GB GPUToo small
  • PC, 16 GB GPUToo small
  • PC, 24 GB GPUToo small
  • WorkstationToo small

// sources · checked 2026-11-05