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OpenToonz

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Open-source 2D animation software based on Studio Ghibli's production tool.

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Reviews onG2SourceForge
9 reviews tracked

The Bottom Line

Entry price

Free, no paid tier

Biggest pro

Free and open-source for all types of use

Biggest con

GTS scan tool is Windows-only

TL;DR - OpenToonz

  • Open-source 2D animation software used by Studio Ghibli.
  • Free for both commercial and non-commercial use.
  • Features specialized tools for scanning, digital painting, and effects composition.
Pricing: Free forever
Best for: Individuals & startups
3.5/5 across review platforms

What is OpenToonz?

Editorial review
OpenToonz is an open-source 2D animation production software. It is based on "Toonz," a software originally developed by Digital Video S.p.A. in Italy and customized by Studio Ghibli, where it was used for many years in the production of their films. Dwango launched the OpenToonz project with the cooperation of Digital Video and Studio Ghibli, making it freely available for both commercial and non-commercial use. This software aims to be a new platform connecting academic research in visual expression with the animation production現場. It offers robust features tailored for professional animation workflows, including specialized scanning tools, digital painting capabilities, and a node-tree based GUI for effect composition. Its open-source nature allows for free modification of the source code and the development of custom plugins, fostering a community-driven approach to animation tool development.

Available on: Windows, macOS

Pros & Cons

Pros

  • Free and open-source for all types of use
  • Proven track record in professional animation studios like Studio Ghibli
  • Highly customizable through source code modification and SDK
  • Includes specialized tools developed for production environments
  • Active user community and developer forums

Cons

  • GTS scan tool is Windows-only
  • May have a learning curve for new users due to professional features
  • System requirements can be demanding for complex projects

Ratings Across the Web

3.5(9 reviews)

Ratings aggregated from independent review platforms. Learn more

Preview

Key Features

GTS (Ghibli Scan Tool) for efficient sequential scanningDigital painting with anti-aliased lines and independent color palettesTimeline-based interface for animation timingNode-tree GUI for easy effect compositionSupport for both raster and vector drawing formatsSDK for developing custom image processing plugin effectsCompatibility with existing workflows via TGA and OpenToonz format conversionJapanese localization

Pricing Plans

Pricing checked Jun 18, 2026

OpenToonz

Free

  • 2D animation production software
  • Based on Toonz, used by Studio Ghibli
  • Open source, freely modifiable source code
  • Commercial and non-commercial use allowed
  • GTS scan tool (Windows only)
  • Digital painting
  • Shooting/Compositing with node tree GUI
  • Raster/Vector drawing formats

Reviews

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3.5/5

Across 9 verified user reviews on G2, SourceForge

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OpenToonz FAQ

How does OpenToonz support professional animation workflows?

OpenToonz offers robust features tailored for professional animation, including specialized scanning tools, digital painting capabilities, and a node-tree based GUI for effect composition. It is based on software customized and used by Studio Ghibli for many years in their film productions.

Which teams would benefit most from using OpenToonz?

Animation studios, academic research institutions focused on visual expression, and individual animators seeking a powerful, customizable, and free tool would find OpenToonz particularly beneficial. Its open-source nature also supports teams interested in developing custom plugins or modifying source code.

How is OpenToonz priced?

OpenToonz is free to use for both commercial and non-commercial purposes, with no paid plans required. Its open-source nature means the software and its source code are freely available.

What kind of limitations should users be aware of when considering OpenToonz?

One limitation is that the GTS scan tool is exclusively available on Windows operating systems. Additionally, new users may experience a learning curve due to its professional-grade features, and complex projects can have demanding system requirements.

Can OpenToonz be customized for specific animation needs?

Yes, OpenToonz is highly customizable due to its open-source nature, allowing for free modification of the source code. It also supports the development of custom plugins through its SDK, fostering community-driven enhancements.

How does OpenToonz compare to Toon Boom Harmony?

OpenToonz is a free and open-source 2D animation software with a proven track record in professional studios like Studio Ghibli, offering extensive customizability. Toon Boom Harmony is a commercial alternative known for its industry-standard animation tools.