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krillinai/OpenCreator

Open-source AI workspace for creators that combines video translation, downloading, image and video generation, voiceovers and scripting, built on Codex CLI.

Open-source alternative to:HeyGenCapCut

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What is it?

OpenCreator (formerly KrillinAI) is a local-first workspace for creators who want video, image, voice and writing work in one place. Instead of building its own agent loop, it uses Codex CLI as the execution engine and adds a local Runtime, a visual workspace and a desktop host around it.

The content workspace includes tools for video translation with subtitle editing and dubbing, downloading public videos from platforms such as YouTube, Bilibili, TikTok and Instagram, and generating images, videos, thumbnails and voiceovers. Writing tools produce articles, Xiaohongshu posts and short-video scripts, and a stick figure animation tool turns text into a rendered video.

An agent conversation mode lets users describe tasks in natural language, run them in the background, and manage approvals, Skills, MCP, schedules and memory. The visual tools and the conversation share the same task state, and each revision is saved as a new version.

Key features

  • 01Video translation with subtitle transcription, translation, dubbing and SRT, audio or video export
  • 02Video downloader for public links from 10 platforms, with format comparison
  • 03Image, video, thumbnail and text-to-speech generation from one workflow
  • 04Agent conversation built on Codex CLI, with Skills and MCP support
  • 05Versioned revisions that keep earlier settings and outputs
  • 06Local data storage with approvals and redacted logs

Use cases

  • Translating and dubbing YouTube or short-video content into other languages
  • Producing subtitled, portrait-format clips for social media platforms
  • Drafting articles, social posts or short-video scripts from source material
  • Batch-generating thumbnails and images for content publishing

Things to know

  • Several creator tools depend on external AI services, models, or a configured local Codex environment, so they need your own service setup.
  • Some video sources may require platform cookies to download.
  • Auto Clips and Digital Avatar are still in development and not yet available.

Topics

#video-translation#dubbing#ai-agent#video-generation#subtitles#text-to-speech#codex#agent-skills#codex-cli#deskop-app

FAQ

What is OpenCreator?
Open-source AI workspace for creators that combines video translation, downloading, image and video generation, voiceovers and scripting, built on Codex CLI. OpenCreator (formerly KrillinAI) is a local-first workspace for creators who want video, image, voice and writing work in one place. Instead of building its own agent loop, it uses Codex CLI as the execution engine and adds a local Runtime, a visual workspace and a desktop host around it.
Is OpenCreator free to use? What license does it have?
OpenCreator is open source under the Apache-2.0 license. Check the license terms before using it in commercial products.
Is OpenCreator still maintained?
Actively maintained. The last commit to OpenCreator was on Oct 20, 2026.
What can I use OpenCreator for?
Translating and dubbing YouTube or short-video content into other languages Producing subtitled, portrait-format clips for social media platforms Drafting articles, social posts or short-video scripts from source material Batch-generating thumbnails and images for content publishing
Where can I get OpenCreator?
The source code and installation instructions are on GitHub: https://github.com/krillinai/OpenCreator

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