Change Video Speed Online

How to adjust video speed with the online video speed editor

When I need to tweak a clip fast, without installing software or opening a heavy editor, Movavi’s online video editor is my go-to. This online video speed controller and slow motion video maker runs straight in the browser, keeps things clean, and lets you control video speed without technical headaches.

Supported formats for online video editing

MP4, AVI, MOV, WMV, M4V

How to speed up a video or slow down a video on PC or Mac

When I’m working seriously on a clip and want full control in order to speed up a video or slow down a video, I switch to Movavi Video Editor. It’s a desktop editor and video speed changer that feels lightweight but gives you precise tools to push the rhythm or slow things down without breaking the image.

Supported formats for video editing on PC and Mac

3GPP, 3GPP2, ASF, AVI, DivX, FLV, SWF, M2TS, M2T, MTS, TS, MKV, MOV, MP4, MPG, MPEG, MPE, M1V, MOD, TOD, MWV, M4V, MXF, OGV, QuickTime, RM, RMVB, WebM, WTV

Movavi Video Editor
Create awesome videos easily

*The free version of Movavi Video Editor may have the following restrictions depending on the build: watermark on exported clips, 60-second video or 1/2 audio length limit, and/or some advanced features unavailable when exporting videos.

Why choose Movavi

We’re the #1 choice for millions of people from all around the world. Join our thriving community and create stunning content with incredible ease.

70M+

users

190+

countries

15+

updates per year

10,000+

effects to choose from

Frequently asked questions

How can I change the speed of a video online for free?

When I need it done fast and free, I open a browser and use an online video speed editor like Movavi’s tool. You upload the clip, change playback speed, export, and you’re done.

How do I make a video slow motion or fast motion?

It’s basically a speed control game. In order to adjust video speed I either lower the speed value for slow motion or push it past 1× for fast motion, then preview until the rhythm feels right.

Will changing the video speed affect the video quality?

Yes, it can, especially with heavy slow motion. Good editors use frame interpolation to keep things smooth, but the cleaner your original footage, the better the final result.

Can I change video speed on my iPhone or Android?

Absolutely. Both iOS and Android offer basic speed tools, and online editors work straight from the mobile browser if you don’t want to install another app.

How do I change video speed for Instagram, TikTok, or YouTube?

I adjust the speed before uploading, keeping the platform format in mind. Short, punchy speed changes work best for TikTok and Reels, while YouTube gives you more room to play with pacing.

Can I use Movavi Online Video Editor on Android and iPhone?

Yes – it works on both Android and iPhone, and it’s free to use.

Is Movavi Online Video Editor completely free?

Yes. All features are available for free – no payment required.

Does Movavi Online Video Editor add a watermark when exporting videos?

No. You can export videos without a watermark.

Movavi Video Editor
Create awesome videos easily

*The free version of Movavi Video Editor may have the following restrictions depending on the build: watermark on exported clips, 60-second video or 1/2 audio length limit, and/or some advanced features unavailable when exporting videos.

Join us for discounts, editing tips, and content ideas

1.5M+ users already subscribed to our newsletter

By signing up, I agree to receive marketing emails from Movavi and agree to Movavi's Privacy Policy.