All the fiddly bits. Handled.
Help people follow the story, hear the message and see what matters. Use these tools to shape your video, with suggestions and automatic checks to help you get it finished.
Features
Edit with Claude or ChatGPT
Give Claude or ChatGPT a video brief. Shape the result in the preview and editor, with automatic checks to help catch problems.
Animated text
Make kinetic typography and animated text videos. Your AI partner handles the motion, the timing to speech or music and the reading time on your Mac.
Check and improve your video
An AI video reviewer checks text, framing, motion, pacing, audio and the export. It fixes what fails and checks again before you see the video.
Tidy up your recording
Remove ums, filler words and long pauses from video on your Mac. Your AI partner cuts at quiet points, keeps your original voice and checks each cut.
MCP video editor
videoFn is a Mac video editor with an MCP server built in. Claude, Codex or any MCP client can create, edit, review and export a video.
Follow a person or object
Pin text, labels and highlights to a moving person or object. videoFn does the motion tracking on your Mac, with no keyframes placed by hand.
Edit to the music
Sync your video to the beat. videoFn finds the beats and changes in energy in your track, and your AI partner cuts and animates to them on Mac.
Add a voiceover
Add an AI voiceover to your video from text. videoFn generates the narration on your Mac, with word timings for captions and visual cues.
Create your own effects
Create an effect from your own idea. Describe its look and movement, generate custom code, and refine the result in videoFn on your Mac.
Made on your Mac
Rendering, transcription, voice generation and tracking run on your Mac. Projects and exports stay in local folders, with no cloud render queue.
Add captions
Add subtitles to video on your Mac. Speech is transcribed locally, captions are timed word by word, and your AI partner checks they are easy to read.