Speed Up Video Mac App

Trim your video

  1. Speed Up Video App Mac

Have a video that's too long to send through Mail or Messages? Or maybe you just want to share part of a video with your friends and family. With the Photos app, you can change the start and stop time to make your video shorter.

How to trim a video on your iPhone, iPad, or iPod touch

Part 1: How to Speed up QuickTime Player on Mac. QuickTime Player is a very popular player application for Mac users. As the preinstalled and default video player in Mac computers, QuickTime Player can provide a very smooth video playback experience and a powerful decoding ability for most of the video.

  1. Open the Photos app and tap the video that you want to edit.
  2. Tap Edit.
  3. Move the sliders on both sides of the video timeline to change the start and stop times. To preview your trimmed video, tap the play button .
  4. Tap Done, then tap Save Video or Save Video as New Clip.

Save Video saves only the trimmed version of the video. Save as New Clip keeps the original version and saves an additional trimmed version in your library.

How to trim a video on your Mac

  1. Open the Photos app and double-click the video that you want to edit.
  2. Hover over the video, click the action button , and choose Trim.
  3. Move the yellow sliders on both sides of the video timeline to change the start and stop times. To preview your trimmed video, click the play button .
  4. Click Trim.

How to undo a trim

On your iPhone, iPad, or iPod touch: Open the video that you trimmed. Tap Edit. Tap Revert, then tap Revert to Original.*

On your Mac: Open the video that you trimmed. Click Edit. Click the action button , and choose Reset Trim.

* If you're editing a video that you created using the Save Video as New Clip function, tapping Revert to Original will undo any edits that you've made, such as adjusting exposure or adding a filter. But it won't restore the video to its original length.

Add a filter and rotate your videos


After you take your photo, open the photo in the Photos app and tap Edit. You can rotate, add a filter, and adjust the look of your video in the Photos app. If you don’t like your changes, tap Cancel to revert to the original.

On your Mac, open the Photos app and click Edit to adjust the look of your video. If you don't like your changes, click Revert to Original or Reset Adjustments.

Customize your slo-mo video

After you record with the slo-mo camera mode, you can edit which part of your movie plays with the slow motion effect. That means you can have your video play at regular speed, and slow down for the details that you don't want your viewers to miss.

On your iPhone, iPad, or iPod touch, tap Edit on the slo-mo video that you want to edit. On your Mac, just hover over the video. Then use the vertical white lines in the video timeline to set when slo-mo begins and ends.

Use third-party apps

You can also download third-party apps on your iPhone, iPad, or iPod touch to edit your videos further. Or install third-party photo editing extensions on your Mac to use alongside the built-in tools in Photos. Learn more about editing with third-party extensions on your Mac.

Do more with Photos

  • Learn how to take and edit photos on your iPhone, iPad, or iPod touch.
  • If you have a 4K video, learn how to edit it with iMovie.
  • Store your photos and videos in iCloud Photos so that you can access them everywhere you go.
  • Keep your collection organized in the Photos app.

To make a dramatic or funny video, video editors always add speed up effect to videos. In fast motion videos (or slow motion videos), viewers always could get special comedic effects which may be easily missed at original speed.


..how to speed up video?

Actually, video acceleration is not a technical problem because there are many software and apps to speed up videos. But it is more difficult for you to choose a proper tool from these options.

Obviously, it is unwise to have a try on these fast motion video editor one by one. So, in this post, I have picked up 3 awesome software to help you create fast motion video as well as slow motion video.

All the recommended software are tested by us, and proved 100% work and risk free. You can compare them and pick up the one according to your own needs.

The advaned tips?

Well, I also collected 5 funniest video forms to help you create your own funny slow motion or fast motion videos easily.

Now, let's get started..

  • Part 1. Filmora Video Editor - How to Speed Up A Video (3 Steps)[Editor's Pick]

Filmora Video Editor - How to Speed Up Video with the Best Speed Up Video Editor?

Filmora Video Editor for Windows (or Filmora Video Editor for Mac) has a unique feature called 'speed changer' which is the main secret to speed up or slow down a video. You will use it in manipulating your video's duration with a lot of ease to make fast motion video or slow motion video. The other most important feature that will make your editing easy is the timeline which is where all the editing takes place. What's more, Filmora could do more than just fast motion and slow motion, you can download it to find more cool video editing effects.

What Make Filmora Video Editor Outstanding:

  • Fully compatible with all commonly used video, audio and image formats from any device ( camcorders, smartphone cameras, and ordinary cameras).
  • Lots of basic editing tools to help you create awesome video, include playback, change speed, rotate, split, overly, etc.
  • Various special effects including overlay, filters, split screen, green screen, and face-off features are also available.
  • Ability to export and share videos in a simple manner.

Guide to Speed Up Videos with Filmora Video Editor (2 Methods)

Method 1. Using Video Editing Mode

Step 1. Enter the Video Editing Panel

After launch the video speed editor, you can choose the 'New Project' firstly. And import video clip that you want to edit to the program by clicking the 'Import Media File Here' button.

Step 2. Speed up Video Or Slow Down Video

To slow down or speed up a video, you need to drag the video from the media library to the timeline.

Right click on the video clip you wish to speed up, then choose 'Speed and Duration'. Now, a pop-up window will appear, and you can drag the slide to change the video speed according to your own needs.


Speed Up Video App Mac

Here, you can get a quick way to change the video speed as follows:

- Find the speed icon in the sub-menu after loading the media files into the timeline.

- Choose 'Custom Speed', 'Slow', 'Fast', 'Normal', 'Freeze Frame', etc. to speed up or slow down the video speed as you like.

Method 2. Adjusting Video Duration

In 'Step 2' of 'Method 1', you can get an editing window which also allows you adjust the video duration. In this way, you can directly change the speed of video. Setting the video duration longer to slow down the video, or setting it shorter to speed up the video.

After adjust the video to a suitable speed, you can save and export the video to your mobiles devices or upload to the YouTube and Vimeo directly.

If you want to fast faward the video without download and installation, free online solutions are your choice, these are our top picks in this field:

- Top 5 Free Web-based Online Video Speeding up Apps

Free Video Speed Editor - Change Video Speed Free

How to Speed Up Video in Windows Movie Maker?

Fast motion is one of the many effects that Windows Movie Maker offers for video editing. It is a program that you will enjoy during your video editing task because of the user-friendly interface and high speeds. It is economical on time and effective enough through delivering the right results. The main reason you will use the slow motion effect is to either better your video appearance and quality or enhance your presentation.

Step 1. Import video files to the program's timeline for editing and this is where everything starts.

Step 2. Select the video clip to edit.

Step 3. From the edit bar just below the 'video tools' icon, click on 'speed' to speed up or slow down the video as you want it to be.

[Attention]: Microsoft Windows Live has stopped updating Windows Movie Maker, you can't use it normally on your Windows 10 computer. If you have installed Windows Movie Maker on your Windows 8/7/Vista/XP and you want to use Windows Movie Maker, you had better not upgrade to Windows 10.

How to Speed Up Video with Virtualdub?

Virtualdub is yet another of the prominent software programs used for slowing down or speeding up a video file for free. It can as well capture and process a video making it a two-in-one program. Even though it might not meet the editing prowess of some powerful software programs in the market, it will always be a good choice because it's streamlined to make it fast enough. Its capabilities allow for batch processing thus you can handle more than one file at a time.

Step 1. Mac ntfs write free. Once you have ascertained that it has been installed to your computer, launch Virtualdub and add the video to edit. You can go to 'file' then 'open video file'.

Step 2. Many video files have default frame rates and this is where the whole secret lies. By changing the frame rate, you will have speeded up or slowed down the video. Increasing the frame rate will speed up while decreasing the frame rate will lower the speed.

The biggest advantage of using Virtualdub is that frame rate is always displayed on the interface making it easy to come up with calculations.

[Bonus] Top 5 Funniest Videos in Slow Motion or Fast Motion

If you have never seen a video on slow or fast motion, the following five will give you a close hint of how things look like.

#1: Dropping things in water

This video is in slow motion and it showcases things being dropped into water. The water then bubbles making it an interesting must-watch.

#2: Dropping phone into Coca Cola

This is another video in slow motion that will interest your eyes. You will see an iPhone 5 being dropped into Coca Cola and then water. After that, it is grilled and peanut butter is put in it. At some point, fire is seen.

#3: Dog eating water

Yes, a dog can eat water as it's seen in this video. It is more like a re-enactment but you will enjoy watching the video in slow motion.

#4: Backflips on bike

In this video, you will see a biker doing the backflips using a bike on hilly terrain. It might be terrifying but makes for some quality watch.

#5: Bonfires at night

This video showcases some massive bonfires at night. You will be able to get full details because it is in slow motion so you will have time to study it keenly.

Write in the End

As you can see, all of the above methods can help you to speed up your videos. Also there are many other top-notch software could complete video acceleration, like Sony Vegas, Adobe Premiere, iMovie, etc. In terms of fast motion (or slow motion), in my opinion, there is no need to choose a too professional video speed editor which is expensive and needs long learning curve.

Especially if you are a beginner or a semi-professional, lightweight video speed controller may be more suitable for you. That's why I recommend Filmora Video Editor.

Without complex installation and operation, you can speed up the video in just few minutes with Filmora Video Editor. Why not download it and create engaging videos now?

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