This Krita plugin adds image generation, inpainting, and outpainting to painting and editing workflows, with optional text prompts.
The Best Chai Nner Alternatives in 2026
Looking for something like Chai Nner? Here are 24 alternatives, ranked by how closely they match it on purpose, features and platforms. Of these, 1 are free or have a free plan and 17 are open source.
chaiNNer is a node-based image-processing app for building customizable processing workflows, including AI upscaling tasks.
Top picks at a glance
Quick comparison
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | AI Generation | — | Yes | — |
| 2 | Pixel Art Fixer | — | Yes | — |
| 3 | QualityScaler | — | Yes | Windows |
| 4 | Tiler | — | Yes | — |
| 5 | Real-ESRGAN | — | Yes | — |
| 6 | Final2x | — | Yes | Linux, macOS, Windows |
| 7 | Waifu2x | — | Yes | Windows, macOS, Linux |
| 8 | Rembg | — | Yes | — |
| 9 | Photoshop UI | — | Yes | — |
| 10 | Csprite | — | Yes | Linux, Windows |
All Chai Nner alternatives
Pixel Art Fixer converts images into grid-aligned pixel art using image processing without requiring a model.
QualityScaler upscales images and videos with AI, with project documentation covering features and usage.
Tiler assembles a composite image from a collection of smaller images used as tiles.
Real-ESRGAN develops algorithms for general image and video restoration.
Final2x provides image super-resolution on Windows, macOS, and Linux, with options to use built-in or custom models.
This repository includes waifu2x and tools for converting 2D video into stereo 3D video.
Rembg is a tool to remove images background.
PhotoGIMP adjusts the GIMP 3 layout for people familiar with Photoshop.
Csprite provides a pixel-art editor for Linux and Windows, with repository details covering sprite editing and drawing.
Create digital art from scratch with Krita, a free, open-source application available across platforms.
PyDPainter is a pixel art painting program written in Python, inspired by classic Deluxe Paint software.
Upscayl offers free, open-source AI image upscaling software for Linux, macOS, and Windows.
GIMP Plugin
github.com/manu12121999/RemoveBG-GIMPRemoveBG-GIMP is a plugin for removing image backgrounds through remove.bg, with separate files for GIMP 2.10 and GIMP 3.
Stable Diffusion WebUI
github.com/continue-revolution/sd-webui-segmen…This extension adds Segment Anything support to Stable Diffusion WebUI.
GFPGAN develops algorithms for restoring real-world faces in images, with its repository focused on practical face-restoration research.
GLORP converts raster pixel art into optimized SVG files while preserving clean edges and colors, according to its project page.
Minimator
github.com/maxwellito/minimatorMinimator provides a minimalist drawing editor with horizontal and vertical lines and quarter-circle shapes.
PyDPainter
pydpainter.orgDraw and edit pixel art with PyDPainter, a Python-based graphics program.
GLORP
zack-gphom.itch.io/glorp-pixel-to-svgGLORP converts raster pixel art into optimized SVG vector files, with a desktop app and a web version listed on its project page.
Scripts
fmwconcepts.com/imagemagick/index.phpFred's ImageMagick Scripts collects image-processing scripts for tasks such as adaptive thresholding.
The GIMP Resynthesizer suite adds texture synthesis plugins to the GIMP image editor.
LazPaint offers a cross-platform image editor with raster and vector layers, built with Lazarus and Free Pascal.
mini-img-editor is a WebGL photo editor with effects, filters, and cropping tools.
Alternatives to similar tools
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