OmniChar

OmniChar is an open-source format and toolkit for building consistent AI characters that stay the same across every image and video you generate. Most AI image and video tools treat each generation as a fresh roll of the dice: the face drifts, the outfit changes, the body proportions shift, and the voice sounds different every time. OmniChar solves this by letting you define a character once and reuse it everywhere, so the same person shows up reliably across an entire project.

At the heart of OmniChar is the open .char format. A .char file captures everything that makes a character recognizable - their face, body, clothing, and voice - in a portable, inspectable package that you own. You build a character once from just one to three reference photos, and from then on you can render that same character in new scenes, poses, and styles without losing their identity.

Key features: The open .char format is a single portable file that defines a character's face, body, clothes, and voice. You can build a character from only one to three photos. You keep the same identity across both still images and video. You can run everywhere - generate on your own GPU for full control and privacy, or use OmniChar Cloud when you need more horsepower. And because it is open source under GPL-3.0, the format and toolkit are fully open, so you are never locked in.

Use cases: OmniChar is useful for creators, studios, and developers who need characters that persist over time. Comic and storyboard artists can keep a cast consistent from panel to panel. Marketers and brands can maintain a recognizable spokesperson across campaigns. Indie game developers and animators can prototype characters and carry them from concept art into animated sequences. Educators and content creators can build a presenter once and reuse them across a whole series.

Benefits: Because the .char format is open and self-contained, your characters are portable and future-proof - you can move them between tools and keep working on your own hardware. Running locally on your GPU means your reference photos and characters stay private. For teams that prefer managed infrastructure, OmniChar Cloud offers a credit-based freemium option, so you can start for free and scale when you need to.

In short, OmniChar turns one-off AI generations into a durable character you can direct. Define who your character is once, then place them in any image or video while keeping their face, body, clothes, and voice consistent - all with open, GPU-friendly, cloud-optional tooling.