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Natron is a powerful Digital Compositor that can handle of your 2D/2.5D needs. Its robust OIIO file formats and OpenFX architecture is what make Natron the most flexible open source compositor for the visual effects community. Its interface and functionally are the same across all platforms such as MacOS, Linux and Windows. Natron has a powerful keying, roto/rotopaint, 2D tracking tools that are staple for all current film production project that requires visual effects.

Free software
OS: Win Mac Linux
File size: 180MB
Old versions
Version history
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Natron screenshot

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Natron screenshot 3
Latest version

2.4.1 (October 24, 2021)


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Download Natron 2.4.1 Windows 64-bit  180MB  Win64

Download Natron 2.4.1 Mac  155MB  Mac

Download Natron 2.4.1 Linux 64-bit  159MB  Linux64

Download Beta and other versions

Download Natron latest Beta/Nightly Mac  Mac

Download Natron latest Beta/Nightly Linux  Linux

Download old versions

Download Natron old versions

Software License

Free software / FOSS (Free download and also Free and Open Source Software)

Supported operating systems

WinWindows MacMac OS LinuxLinux

Version history / Release notes / Changelog / What's New

Version 2.4.1

Known issues
Rendering sometimes silently stalls after X frames. #248
Some image formats may have issues (PCX, PSB, CR2). #602
MTS video files are sometimes not read correctly. #186
Default number of render threads is more reasonable on multi-core systems: min(num_cores, RAM/3.5Gb). #554
Fix checkerboard drawing on macOS Catalina and later. #614
Fix undoing "Reset to default" on parameters. #630
Fix NodeGraph manipulation and navigation issues. #491 #627
Fix Retina/High-DPI display issues on macOS, Windows and Linux/X11. #635
Fix multi-dimensional parameter linking (bug introduced in 2.4.0 #594). #631
Fix bug where any argument containing an integer between commas would be interpreted as a frame range. #644
Python: app.saveProject and app.saveProjectAs now do project variable substitution, as in app.saveProjectAs("[Variable]/output.ntp").
Fix ASCII curve import. #656
New color selection dialog for RGB and RGBA knobs. #210
Fix histogram smoothing (was 5 times too strong).
Add Python functions guiApp.copySelectedNodes and guiApp.pasteNodes. #390 #674 #675
Transform, CornerPin, Position and Ramp nodes now display the motion path.
HueCorrect now has the ability to do hue vs. hue adjustments, with an option to change the background curve guide. #610
Merge: Fix behavior on most operators when A is not connected or A's RoD and B's RoD are disjoint. #647
Reformat: fix bugs when "turn" is checked with Resize Type = None or Type = Scale.
Write: Remove file first when overwriting. #666
Mirror: Fix crash. #660
SeNoise: Add option for colored noise.

View full changelog

All features

32 bits floating point linear color processing pipeline.
Colorspace management handled by OpenColorIO.
Dozens of file formats supported: EXR, DPX, TIFF, PSD, SVG, RAW, JPG, PNG and more.
Support for OpenFX v1.4
Support for many free and open-source OpenFX plugins:
OpenFX-IO : to read anything else than standard 8-bits images (bundled with pre-compiled versions of Natron).
OpenFX-Misc : A set of basic nodes, such as Transform, chroma keyer, etc (bundled with the pre-compiled versions of Natron).
OpenFX-Arena : A set of extra nodes (bundled with the pre-compiled versions of Natron).
OpenFX-OpenCV : A set of plugins based on OpenCV.
OpenFX-Yadif deinterlacer : An open-source efficient de-interlacer.
OpenFX-Vegas SDK samples
OpenFX samples (in the Support and Examples directories)
Support for commercial OpenFX plugins:
RevisionFX products
NeatVideo denoiser
Furnace by The Foundry
KeyLight by The Foundry
GenArts Sapphire
Other GenArts products
Universe by Red Giant Software
Ignite by HitFilm
And many more.
Intuitive user interface: Natron aims not to break habits by providing an intuitive and familiar user interface. It is possible to separate on any number of screens the graphical user interface. It supports Retina screens on MacOSX.
Performances: Never wait for anything to be rendered, in Natron anything you do produces real-time feedback thanks to its optimized multi-threaded rendering pipeline and its support for proxy rendering (i.e: the render pipeline can be computed at lower res to speed-up rendering).
Multi-task: Natron can render multiple graphs at the same time and make use of 100% of the compute power of your CPU.
Network rendering: Natron can be used as a command-line tool and can be integrated on a render farm manager such as Afanasy.
NatronRenderer: A command line tool for execution of project files and python scripts. The command line version is executable from ssh on a computer without any display.
Fast & interactive Viewer Smooth & accurate zooming/panning even for very large image sizes (tested on 27k x 30k images).
Real-time playback: Natron offers a real-time playback with thanks to its RAM/Disk cache technology. Once a frame is rendered, it can be reproduced instantly afterwards, even for large image sizes.
Low hardware requirements: All you need is an x86 64 bits or 32 bits processor, at least 3 GB of RAM and a graphic card that supports OpenGL 1.5+ with some extensions.
Motion editing: Natron offers a simple and efficient way to deal with keyframes with a very accurate and intuitive curve editor. You can set expressions on animation curves to create easy and believable motion for objects. Natron also incorporates a fully featured dope-sheet to quickly edit clips and keyframes in time-space.
Multi-view workflow: Natron saves time by keeping all the views in the same stream. You can separate the views at any time with the OneView node.
Rotoscoping/Rotopainting: Edit your masks and animate them to work with complex shots
Tracker node: A point tracker is embedded in Natron to track multiple points. Version 2.1 of Natron will incorporate the Tracker from Blender.
Presets: Nodes presets can be imported/exported easily with an XML file format
Python scripting: Natron has made available via its Python API most of its functionalities.
Natron embeds a Python 2.7 interpreter that can be used to customize the application. .
Multi-plane: In Natron all layers read from EXRs, TIFFs or PSDs are available as planes that each node can access. You can also freely create your own custom planes. This allows for cleaner graphs and more efficient work.

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