Launching today

Timeline Studio

Launching today

Local-first AI video editing in your browser

14 followers

Local-first AI video editing in your browser

14 followers

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Timeline Studio is an open-source, local-first AI video editor that runs in your browser. Create multilingual voiceovers, automatic captions, vocal separation, musical generation,talking avatars, and timeline-based videos without uploading source media to an editing backend. Arrange everything on a real multi-track timeline, preview the result, and export WebM—all from one workspace.

Interactive

Free

Launch tags:Open Source•Artificial Intelligence•GitHub

Launch Team / Built With

Viktor.comAn AI coworker that actually does the work

Promoted

Maker

📌

Hi Product Hunt! 👋 I built Timeline Studio because creating a simple narrated video often means jumping between separate tools for voiceovers, captions, audio cleanup, timeline editing, and export. Many of those tools also require uploading the original media to a remote server. Timeline Studio brings that workflow into one local-first browser workspace. You can generate multilingual AI voiceovers, create automatic captions, separate vocals, arrange everything on a real multi-track timeline, experiment with talking avatars, and export the result as WebM. Most AI and media processing happens directly on your device. The project is open source and still experimental. Initial model downloads can be large, and some advanced features work best on recent desktop hardware, but I wanted to share the progress early and learn from real creators. I’d especially love your feedback on the onboarding experience, browser performance, and which workflow you’d like us to improve next. Thanks for checking it out! 🚀

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1mo ago

Forum Threads

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1mo ago

Behind Timeline Studio: AI Agent Skills Replace Slow Browser UI Automation

Hi everyone, I'm Martin, the maker of Timeline Studio. This open-source browser video editor runs fully local-first powered by WebGPU and ONNX Runtime Web.

Most AI editing tools only simulate UI clicks to operate timelines, which is slow and unstable when facing page loading exceptions. I built a set of standardized Agent Skills to let AI directly parse and modify native timeline project files, cutting redundant browser interaction overhead.

The project supports multi-track editing, audio separation, multilingual subtitles and offline WebM export. The full MIT licensed source code will be public when we launch on August 25. I m currently optimizing the loading & inference speed of large diffusion models inside the browser, and I welcome all technical discussions and suggestions here before launch.

GitHub repo preview: https://github.com/MartinDelophy...

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Hi everyone, I'm Martin, the maker of Timeline Studio. This open-source browser video editor runs fully local-first powered by WebGPU and ONNX Runtime Web.

GitHub repo preview: https://github.com/MartinDelophy...