Cardboard

Cardboard is an AI-powered agentic video editor that transforms raw footage into polished, publish-ready content in minutes. It combines a full-featured timeline editor with an AI "Director" that understands natural language requests and maps them to complex editing operations automatically. Backed by Y Combinator, Cardboard targets content creators, teams, and professionals who want to cut production time without sacrificing creative control.

• Natural Language Editing — Describe the change you want (e.g., "cut the awkward pauses") and Cardboard's AI maps it to timeline operations automatically.
• AI Director — An agentic layer powered by Claude Sonnet that plans and executes cuts, trims, and transitions on your behalf.
• Silence Removal — Automatically detects and removes dead air and awkward pauses from recordings.
• Automated Captions — Generates accurate captions in English with up to 99% accuracy, ready to style and export.
• Semantic Clip Search — Search your media library by what happened in the footage, not by filename.
• Color Grading & LUTs — Apply color grades and LUT presets directly within the editor.
• Voiceover Support — Add expressive AI voiceovers to montages, explainers, and launch videos.
• Music & Beat Sync — Create punchy montage edits that land on the beat with music tracks.
• Live Collaboration — Review, tweak, and ship edits together in real time with teammates.
• Export Flexibility — Export up to 4K 60fps and send projects directly to Premiere Pro or DaVinci Resolve.
• Cloud Storage — Projects and assets are stored in the cloud, with plans ranging from 100GB to unlimited.
• Multiple Content Formats — Supports talking heads, vlogs, montages, podcast clips, launch videos, and explainers.

To get started, sign up at usecardboard.com, upload your raw footage to the Media Library, and use the natural language command bar to describe your desired edit. The AI Director will plan and execute the cut, which you can then refine manually before exporting.