Pixel Art Fixer converts images into grid-aligned pixel art using image processing without requiring a model.
The Best chaiNNer Alternatives in 2026
Looking for something like chaiNNer? Here are 24 alternatives, ranked by how closely they match it on purpose, features and platforms. Of these, 24 are open source.
Use chaiNNer to build and run image-processing pipelines in a node editor on Windows, macOS, or Linux.
Top picks at a glance
Quick comparison
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | Pixel Art Fixer | — | Yes | — |
| 2 | Final2x | — | Yes | Linux, macOS, Windows |
| 3 | Upscayl | — | Yes | Linux, macOS, Windows |
| 4 | PixiEditor | — | Yes | Web |
| 5 | Lazpaint | — | Yes | Linux, macOS, Windows |
| 6 | Pixelorama | — | Yes | Web |
| 7 | Quarkdown | — | Yes | Web |
| 8 | Graphite | — | Yes | Web |
| 9 | Csprite | — | Yes | Linux, Windows |
| 10 | Ditherista | — | Yes | Linux, macOS, Windows |
All chaiNNer alternatives
Final2x provides image super-resolution on Windows, macOS, and Linux, with options to use built-in or custom models.
Upscayl offers free, open-source AI image upscaling software for Linux, macOS, and Windows.
Create pixel art and other 2D graphics with PixiEditor, a free and open-source editor.
LazPaint offers a cross-platform image editor with raster and vector layers, built with Lazarus and Free Pascal.
Pixelorama provides an open-source sprite editor and pixel art tool for creating and editing sprites.
Use Quarkdown, an open-source Markdown typesetting system, to create papers, presentations, knowledge bases, and static websites.
Graphite offers vector graphics editing and animation in a browser, with exports to SVG, PNG, and JPG.
Csprite provides a pixel-art editor for Linux and Windows, with repository details covering sprite editing and drawing.
Ditherista provides a desktop app for making color or black-and-white dithered images, with over 90 methods and import/export.
This non-destructive 2D graphics editor project has ended, according to its maintainer, who says development is no longer active.
This repository includes waifu2x and tools for converting 2D video into stereo 3D video.
The GIMP Resynthesizer suite adds texture synthesis plugins to the GIMP image editor.
PyDPainter is a pixel art painting program written in Python, inspired by classic Deluxe Paint software.
Linux designers can use Akira, a native Vala and GTK application for UI and UX design.
RapidRAW is a GPU-accelerated RAW image editor that supports non-destructive editing.
This Krita plugin adds image generation, inpainting, and outpainting to painting and editing workflows, with optional text prompts.
mini-img-editor is a WebGL photo editor with effects, filters, and cropping tools.
Pinta provides a GTK paint program, with its project source code and releases hosted on GitHub.
QualityScaler upscales images and videos with AI, with project documentation covering features and usage.
Palettum recolors images, GIFs, and videos with a custom palette using either a web app or command-line tool.
Rx offers a minimalist pixel editor, with its source code available on GitHub.
Tiler assembles a composite image from a collection of smaller images used as tiles.
Real-ESRGAN develops algorithms for general image and video restoration.
Alternatives to similar tools
What is the best alternative to chaiNNer?
Are there open-source alternatives to chaiNNer?
Alternatives are suggested from the purpose and features described in our listings. Different pages for the same product appear once. Read each description to check whether it fits your task. How we choose alternatives · Suggest an alternative























