How to Speed up/Slow Down a Video on Mac in 6 Ways 2024👨🏻‍💻

Changing the video speed on Mac allows you to consume more content quickly and focus on the key information. This is especially true for online courses, lectures, or tutorials. Also, the speed adjustment in a video helps video creators highlight the clip and add more dynamism to their content.

You can speed up a video on Mac using the speed slider in iMovie, but there are several other methods you can use as well. Check out the post that details six different ways to adjust video speed on a Mac.

• #1 EaseUS Online Speed Changer
• #2 Accelerate for Safari Extension
• #3 iMovie
• #4 CapCut
• #5 Photos App
• #6 QuickTime Player
• #7 PowerPoint

How to Speed up/Slow Down a Video on Macbook Air Safari

EaseUS Online Speed Changer

• ⏱️Speed: 0.5x-1.5x
• 💻Work for: Online
• ✅Pro: Online video speed changer without installation.
• 🚫Con: Limited speed ranges.

Nothing beats the accessibility and convenience of online tools. EaseUS Online Speed Changer is a web-based program that adjusts the speed of MP3, WAV, MP4, M4A, and FLAC. It also enables you to lower the video volume and the song's pitch at the same time. Meanwhile, the versatile tool removes vocals from a song, clears background noise, extracts instrumentals, and makes karaoke versions of songs.

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Step 1. Enter the main interface of EaseUS Online Speed Changer. The left sidebar shows new functions of this online tool. Find "Pitch changer" and click it. 

Step 2. Then, drop the audio/video file in the blank. It supports multiple file formats, including MP3, MP4, WAV, M4A, and FLAC. 

Step 3. The website will analyze your file with AI. You can drag the little dot in the "Speed" section to slow down or speed up with a range of 0.5X to 1.5X. 

Step 4. Click "Save and Export" to download the processed file to your local file location. 

Accelerate for Safari Extension

• ⏱️Speed: 0.25x-2x
• 💻Work for: iPhone, iPad, Mac
• ✅Pro: Works with YouTube, Netflix, Hulu, and more.
• 🚫Con: Occasional glitches and sparse documentation.

Video speed extensions accelerate video clips without software. Accelerate for Safari is one of the few Safari extensions that control HTML5 video's playback speed with personalized shortcuts. It supports picture-in-picture and AirPlay as well.

Add the extension to Safari on your Mac, play the video, and activate the extension; now, you can adjust the speed.

How to Speed up/Slow Down Video on iPad

How to speed up a video on an iPad? You can change the playback speed of a video on your iPad on EaseUS Online Speed Changer with its speed slider.

Increase/Decrease Mac Video Playback Speed in iMovie

• ⏱️Speed: 0.1x-20x
• 💻Work for: iPhone, iPad, Mac
• ✅Pro: Free video editor with high compatibility with Apple devices.
• 🚫Con: The speed change isn't so smooth.

As a built-in free video editor developed by Apple, iMovie handles the basic video editing on your iPhone, iPad, and Mac. iMovie speeds up clips, stabilizes videos, adds video filters, changes BGM, and records a voiceover. It also removes background noises and boosts the audio track. Apple users are allowed to import iMovie projects from their iPhones to their Macs directly.

Step 1. Start a new project or continue with the previous one in iMovie. Import your video and bring it onto the timeline.

Step 2. Go up to the speed button and change the speed as desired.

Increase the speed to 2x, 4x, 8x, or 20x.

Slow down videos to 10%, 25%, 50%, Auto (normal).

Or custom the specific values.

Step 3. Export the video.

Speed up/Slow Down a Mac Video More than 2x in CapCut

• ⏱️Speed: 0.1x-100x
• 💻Work for: iPhone, iPad, Mac, Windows, Android, Online
• ✅Pro: Change the clip speed from 0.1 to 100 smoothly across platforms.
• 🚫Con: Not cut out for precise edits, such as slowing down the playback speed of the timeline below the video.

CapCut is a free, feature-rich video editing software on your PC, Mac, phone, and web. It includes basic video editing features, such as trimming, splitting, overlay options, and changing video speed. Users are able to adjust the clip speed up to 100x and customize the slow/fast-motion effect smoothly.

Step 1. Import the video into CapCut and click it on the timeline.

Step 2. Find the standard speed under the speed tab. If you want to keep pitch while speeding up MP3, enable the feature.

Move to the "Curve" option to customize your own speed changes, or select the existing templates and fine-tune them.

Step 3. Define the video parameters and export them.

Speed up/Slow Down a Video on Macbook Pro Photos

• ⏱️Speed: N/A
• 💻Work for: iPhone, iPad, Mac
• ✅Pro: Change slow-motion video on the photos.
• 🚫Con: Only work for recorded slo-mo videos.

You need to record a slow-motion video on your iPhone or iPad using Slo-mo mode; then, you can adjust the speed on your Mac.

Step 1. Double-click the slo-mo video in the Photos app on your Mac.

Step 2. Click "Edit" > "Adjust."

Step 3. Drag the vertical bars to adjust when the clip slows down and speeds up.

Change Mac Video Clip Speed in QuickTime

• ⏱️Speed: 1.1x-60x
• 💻Work for: Mac, Windows
• ✅Pro: Free player with onscreen playback controls.
• 🚫Con: No precise control over the speed changes.

QuickTime Player is a free, now-defunct multimedia architecture for playing, streaming, encoding, speed changing, and transcoding. It supports an extensive range of file formats for audio, video, and pictures, including AAC, AIFF, MIDI, MOV, GIF, etc. It is available for Windows systems as well, but not recommended because of known vulnerabilities. To speed up videos in QuickTime:

Step 1. Double-click the file (which also works in iCloud) in the Finder or go to "File" > "Open File" and select a file.

Step 2. Move your mouse over the video, and you will see the playback controls. Use them to play the media.

Step 3. Speed up your videos.

• Before playing the video, click "Share," the playback speed button, and choose "Playback Speed" for speedup.
• While playing the video, click the forward or rewind button to choose the speed from 2x, 5x, 10x, 30x, to 60x.
• You can change the playback speed in small steps (from 1.1x to 2x) by holding the Option key and clicking the forward or rewind button while the video is playing.

Adjust the Video Speed on Mac PowerPoint

• ⏱️Speed: N/A
• 💻Work for: Mac, Windows
• ✅Pro: Change the playback speed of a PPT video on Mac easily.
• 🚫Con: You need to download Windows Media Player.

Speeding up videos in PowerPoint is feasible with the help of a developer and Windows Media Player. You can customize the specific speed percentage for the clip, but you cannot make it more natural by smoothing the fade in/out.

Step 1. Open your presentation, go up to "File" > "Options" > "Customize Ribbon" > check "Developer."

Step 2. Go to the developer tab, click "More Controls," and select Windows Media Player. Click "Enable ActiveX" on the pop-up security notice.

Step 3. Right-click the Windows Media Player control instance and choose "Property Sheet." On the properties dialogue, click "Custom" under the "Alphabetic." On the "General" tab, browse for the source video.

On the "Advanced" tab, set the playback speed rate.

Spread these proven methods to change the Mac video speed easily!

Wrapping up

Changing the speed of a video on a Mac can be done in various ways, each suitable for different needs and preferences. From using Safari extensions and built-in apps like iMovie and Photos to versatile editing software like CapCut, Mac users have plenty of options to speed up or slow down their videos.

For a quick and easy online solution, EaseUS Online Speed Changer lets you adjust video speed without installing any software, making it a great option for those who want simple speed adjustments on the go.

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How to Speed up a Video on Mac FAQ

1. How to speed up a video on iMovie on iPhone?

To speed up a video on iPhone with iMovie:

• Import your video into iMovie and click the speed button.
• Drag the yellow range for speedup.
• Speed up the video by toggling it in the rabbit's direction.
• Play the video and export it.

2. How to speed up a video on an iPhone camera roll?

You can only speed up a slow-motion video on an iPhone camera roll:

• Open the photos on your iPhone and go to "Albums."
• Choose "Slo-mo" and select the clip to edit.
• Drag the lines together to speed up a video.

3. How to speed up video on iPhone more than 2x?

You can use CapCut to speed up iPhone videos more than 2x. Click the video and edit, then choose to speed it up in a normal or curved way.