Video speed controller

The best video speed controller should give you precise control over pacing without making editing complicated. Async lets you speed up or slow down footage, adjust key moments, and combine speed changes with AI editing tools, captions, effects, and other creative controls in the same workflow.

Upload your footage to Async and use AI chat to describe the speed change you want. You can speed up video online for intros, transitions, or repetitive sections, or slow down specific moments to give them more impact. Once the timing feels right, fine-tune the edit and export your video.

Yes. Async can help you create content for both YouTube and Instagram, whether you're editing long-form videos, Shorts, Reels, tutorials, or social clips. Use the video playback tool to adjust pacing, then add captions, music, visuals, effects, and other edits before exporting in the format you need.

Yes. Async makes speed adjustments accessible even if you don't have advanced editing experience. Instead of navigating complicated controls, you can use AI chat to describe what you want, such as slowing down a key moment or speeding up an entire clip, and then make additional adjustments as needed.

Async is more than a video speed controller or slow motion editor. You can generate videos and images, edit through AI chat, record audio and video, create voices, music, and sound effects, add subtitles, resize content for different platforms, and take projects from an initial idea to a finished, ready-to-publish video in one platform.