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LUME Cortex Help

The short-form video editor for Mac.

Complete guideLUME Cortex: a guide to the short-form video editor for MacLUME Cortex is a short-form video editor for Macs with Apple silicon. It cuts pauses and adds captions and motion graphics on its own and, on the Pro and Agency plans, schedules the video to Instagram through LUME Hub and uses AI for writing. Every Hub account gets the free version, with a watermark and three videos a month.

Step by step

How to download and install LUME Cortex on your MacStep-by-step guide to download LUME Cortex from LUME Hub, install it on a Mac with Apple silicon, allow the first launch and sign in with your Hub account.

How to edit a short video for Reels, Shorts and TikTok on your Mac with LUME CortexEdit a vertical video in LUME Cortex on Mac: import, let it cut the pauses, review captions and motion graphics, then export for Reels, Shorts or TikTok.

How to add auto captions to a video with LUME CortexHow LUME Cortex adds captions to your Reels, Shorts or TikTok automatically, how to review the text before exporting, and how AI helps write the post caption.

How to schedule Instagram Reels from your Mac with LUME CortexSchedule a Reel edited in LUME Cortex to the Instagram account connected to LUME Hub, from your desktop, without re-uploading. On Pro and Agency plans.

Troubleshooting

LUME Cortex won't open on Mac: causes and fixesLUME Cortex won't open, your Mac blocks the app or sign-in fails? Here are the causes, from most to least common, and how to fix each one.

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