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All software
Free
Open Source · MIT

EXR Converter

Convert between video and OpenEXR sequences with production-grade OpenColorIO, multi-platform builds, and a Nuke-inspired GUI.

About

Desktop app and CLI for converting between video and OpenEXR sequences with OpenColorIO color management and built-in slate rendering. Targets the VFX Reference Platform CY2026.

Features

Video → EXR and EXR → video conversion

OpenColorIO 2.5 with bundled ACES Studio Config v4

Camera IDTs: Apple Log, ARRI LogC, RED, Sony, Canon, DJI, and more

Built-in slate, burn-in, and watermark compositing

GUI + CLI for editorial and delivery workflows

Windows, macOS (Apple Silicon & Intel), and Linux builds

Requirements

Standalone apps need no extra install on supported platforms. Building from source requires Python 3.13 and uv.

Download free

Windows x64macOS Apple SiliconmacOS IntelLinux AppImage

Free

Open source · MIT license

View source

macOS builds use ad-hoc signatures. After installing, run xattr -cr "/Applications/EXR Converter.app" once if Gatekeeper blocks the app.

FAQ

Is EXR Converter really free?

Yes. It is MIT-licensed open source. Downloads and source are free forever.

Does it support ACES / custom OCIO configs?

Yes. It ships with ACES Studio Config v4 and respects $OCIO or a custom config path for studio pipelines.

CLI only or GUI?

Both. Use the desktop GUI for interactive work or video2exr / exr2video from the command line.

Need help? Contact support