Speed up or slow down any video. Adjust playback speed from 0.1x to 10x with audio pitch preservation. Perfect for creating time-lapses, slow-motion replays, and quick reviews. Everything runs locally in your browser — nothing is uploaded.
Remove audio from a video completely, replace it with a new audio track, or adjust the volume. Perfect for creating silent videos, adding background music, or fixing audio levels.
Apply global time offset (+/- seconds) to a whole season of SRT/VTT files at once. Localization agencies use it to realign and translate subtitle batches. No signup or account required.
Fix shaky handheld footage with advanced video stabilization. Two-pass analysis delivers smooth, professional results. Perfect for vloggers, action cameras, and mobile videos.
Convert time between different time zones. Enter a time and your source/target time zones and see the converted result. Everything runs locally in your browser — nothing is uploaded.
Add or subtract hours and minutes from a starting time. Perfect for scheduling, project planning, and time tracking. Everything runs locally in your browser — nothing is uploaded.
Video Speed Changer lets you speed up or slow down any video. Adjust playback speed from 0.1x to 10x with audio pitch preservation. Perfect for creating time-lapses, slow-motion replays, and quick reviews. Everything runs locally in your browser — nothing is uploaded.. It works on any device with a modern web browser.
Yes. After the initial page load, Video Speed Changer runs entirely on your device with no internet connection needed. All processing is done locally.
Common formats include MP4, MOV, AVI, WebM, MKV, and GIF. The exact list varies by tool.
Yes. All processing happens locally — your videos never leave your device.
Free users can process up to 30MB. Signing in increases the limit to 150MB. Pro subscribers can process files up to 2GB.
Reverse Video
Play any video backwards. Reverse video, audio, or both independently. Create fun effects, hidden messages, and creative video edits with a single click.
Video Trimmer
Trim and cut video clips locally in your browser. Select start and end times, preview, and download the result.
Video Filters
Apply stunning visual effects to your videos. Choose from color filters, artistic effects, blurs, and lighting adjustments. Combine multiple filters for unique looks.