Speed up or slow down your video
Drop a video and say how fast you want it — from 0.25x slow motion to 4x timelapse, with the audio pitch kept natural. No settings, no software.
Talk to your files
Anything that used to take five menus and three export dialogs is now one sentence in the chat. Watch it work:
Built for how you actually work
One assistant instead of a dozen single-purpose converter sites.
Every format in one place
Images, documents, video, audio and data — 50+ formats handled by one chat, with a dedicated page for every conversion.
Private by design
Your files are used to run your conversion and nothing else. No sharing, no training, and everything auto-deletes within 24 hours.
Seconds, not minutes
Most conversions come back before you'd have found the right export menu.
Speaks your language
The whole product — pages, assistant and answers — works in seven languages.
Nothing to install
Runs entirely in your browser, on any device. No apps, no accounts to start, no updates.
Change Video Speed, answered
Common questions about changing video speed.
Drop your video into the chat and say the speed (for example "2x faster" or "half speed"). The assistant re-times it, keeps the audio pitch natural, and gives back an MP4.
Yes. You can use it for free as a guest. Signing in raises your limits and lets you do more per day.
No — everything runs in your browser. There's nothing to download or set up.
Your file is only used for the task you asked for. We don't share it or use it for anything else, and it's automatically deleted from our servers within 24 hours.
Speed up or slow down your video
Drop your file above and get the result in seconds — free to try.
Change Video Speed