Video Speed Changer
Video Speed Changer
Choose the source file
Drop in one video file from your device. Supported formats: MP4, MOV, WebM, M4V.
Choose the playback speed
Slow the clip down or speed it up. Video and audio stay aligned in the exported file.
Run the tool
Large files can take a while, especially when the browser has to re-encode media before export.
FAQ
Video Speed Changer FAQ
Common questions about supported files, privacy, and downloads.
From quick prep to full streaming workflows
These free utilities cover the small jobs around content creation. For continuous channels and team production, Upstream also supports 24/7 live streaming, pre-recorded live streams, multistreaming, and Live Studio broadcasts.
For this tool, the closest next step is pre-recorded live streams, so that workflow appears first below.
Schedule finished videos as live events.
Turn recordings into scheduled live streams, premieres, loops, and recurring broadcasts from the same cloud workflow.
Explore pre-recorded streamingKeep a cloud channel live around the clock.
Upload once, build a playlist, and let Upstream run continuous live playout without OBS, a VPS, or an always-on computer.
Explore 24/7 streamingSend one feed to every platform that matters.
Go live to YouTube, Twitch, Kick, Facebook, Rumble, and custom RTMP without making your upload connection carry every copy.
Explore multistreamingProduce browser-based live shows with guests.
Invite speakers, share screens, manage scenes, and add branded overlays for podcasts, webinars, interviews, and launches.
Explore Live Studio



