Also slows down MP3, Wave, Windows Media Audio, Ogg, FLAC and AAC/M4A files on your computer in real-time. Great stereo sound quality! See System Requirements. Amazing Slow Downer. Free: 2004-06-26: 6: 60db: Slow MP3: Slow MP3 is a musician's music player that can slow down, transpose and transcribe songs on the fly. Mac: Freeware: 2010-09-27: 12: 60db: Slow MP3: Slow MP3 is a musician's music player that can slow down, transpose and transcribe songs on the fly. Linux: Freeware: 2010-09-27: 2: 55db: Yet Another Time.

1. Slow Downer Mac Free
2. The Great Slow Downer
3. Mac Free Antivirus Download
4. Slow Downer Mac Free Version
5. Amazing Slow Downer Alternative

These days most people have a phone in their hand or a DSLR when they go out for a trip or have a birthday party at the house. Some videos of these moments are boring. They are very long, and that's where you need to speed up the video. Or maybe something happened too fast, and you need to slow down the video to figure out what happened. So, follow this guide to find the best free video speed editor to speed up or slow down your video.

Top 5 Video Speed Editor on Windows and Mac

1. EaseUS Video Editor: Instantly Change Video Speed

A slow-motion video or a superfast video has an excellent attraction on social media like Facebook, Instagram, YouTube, and other platforms. Using a video editor with a speed control function like EaseUS Video Editor, you can instantly speed up video up to 5x times. It means if you have a 20 minutes video, you can speed up so you can watch it within four minutes.

You can also slow down video up to 0.2x, which means a one-minute video will run for 20 minutes. EaseUS Video Editor supports multiple formats. So even if you have shot a video from your iPhone or Android smartphone, you can slow it down using this software.

Download this free video speed changer and follow the steps below to change the video speed.

Step 1. Import and add a video to the timeline

Open EaseUS Video editor and import the video(s) into the media library. Then drag it and drop it on the timeline.

Step 2. Change the speed of your video

• Speed up video

Select the video or part of the video you want to increase the speed. Click on the pencil icon to open the editor where you get the Speed Slider. To increase the speed of the video, slide it to the right, and you should see the speed increasing.

• Slow down video

Follow the same as in Steps 1, but this time move the slider to the left instead of right. Notice that the length of the video will increase in the timeline.

Step 3. Export the video

Once everything is complete, click on export, and select the media format or platform in which you want to export the video. Make sure to choose the quality of output, video encoder, frame rate, and bitrate.

2. iMovie

iMovie is a great video speed editor for Mac users. It is pre-installed on your Mac, and you don't need to spend time downloading or installing it. This freeware allows you to set the speed as Fast, Slow, or any others according to your needs.

In addition to that, it also offers lots of video editing tools and makes it easy to browse your clips and create stunning movies in minutes. This video speed controller also can be used on your iOS devices if needed.

Pros:

Slow Downer Mac Free

• Completely free
• Many basic and advanced video editing tools
• Excellent video special effects and filters

Cons:

• The layout is not user-friendly

Platform: Mac only

3. Easy Video Maker

It's free software that can speed up or speed down videos. The software is easy to use. Once installed, click on the plus icon to add video files. Next, you need to input the speed for each video. Anything above of value one will increase the speed, but anything below one will reduce the speed.

You can export the video in various formats. Click on the settings icon to configure it. Once done, the finished video with the speed change can be rendered by clicking on the render button. It is probably the only editor in the list which allows you to select a value. If you want to speed up or slow down a video to a specific rate, you can do so using this software.

Pros:

• Set exact speed up or slow down the speed

Cons:

• Processing may take time
• It offers a sophisticated user interface not suitable for beginners.

Platform: Windows only.

4. VSDC Video Editor

It is yet another free software that also offers an editing feature. To slow down or speed up the video, click on the video and then go to the properties window. In the list of parameters, we will need to find the Speed (%) parameter. If we put a higher number, it will increase the speed, but if we add decimal, it will slow down the video.

Since using the original audio will sound gibberish, add matching background audio to make the video delightful. You can also preview the video before exporting it. If you have a slow computer, which takes a long time, the preview will make sure your time is saved.

Pros:

• Set exact speed up or slow down the speed in percentage

Cons:

• Settings in deep buried under properties and is not easy to find
• It offers a complex user interface not suitable for beginners

Platform: Windows only.

5. YouTube Speed Changer

If it's the speed of YouTube Video you want to change, it is effortless. YouTube offers inbuilt speed control that can speed up or slow down the videos both on the web and mobile. It is handy if you want to quickly finish a video because it is too slow or find that part boring, but you still need to watch it.

Open any YouTube video, and pause it. Next, click on the Settings icon to open the flyout menu. In the menu, there is a link to the Speed menu. Click on it and change it to anywhere between 0.25x to 2X. You can also use a custom value by clicking on the custom video and then using the slider to change it.

Pros:

• Predefined speed or change by 0.5 using the slider

Cons:

• Hidden under menu

Platform: All platforms and browsers

Best 4 Video Speed Changer Online

1. Kapwing

It is an online video speed changer, where you can upload a video and then decide the speed. You have an option that ranges between 0.25x to 0.75x to slow down videos, while to speed up, you can choose between 1.25x to 4x. Once you make your selection, click on create a link, and it will change the video speed as per the choice.

The final length of the output is displayed under-speed change buttons. Once the conversion is complete, you have the option to download, edit, share on social media.

Pros

• Direct conversion from video platforms
• Speed up is limited only to 4X

Cons

• Uploading and process can take a lot of time.
• Limit on size of the video you can upload.
• Privacy issue concerns

2. EZGIF

Another online video speed changer software you can try is EZGIF. It can change your video playback speed in simple clicks, and you can easily make a slow-motion video with this online program. To change the video playback speed, you only need two steps: upload your video file and set a speed multiplier, and once done, you can download the edited video to your computer.

Pros:

• Support various formats like MP4, AVI, FLV, MOV, and other video files
• Allow you to paste a video URL to edit it

Cons:

• Some ads on the web-page
• Max file size is 100MB

3. Clideo

As one of the most popular online video speed changer software, Clideo allows you to change video speed without downloading any software to your computer or mobile device. It offers you six of the most commonly used speeds, or you can use the slider to choose your desired speed while changing the video speed.

Besides, this online software enables you to keep the sound in the video or mute it flexibly. So you can handle it even you don't have any experience in video editing.

Pros:

• Select the video speed from 0.5x to 4x freely
• Upload your video from a computer, mobile device, or Dropbox, etc.
• Support most video formats

Cons:

• Lack of video editing features

4. Online Converter

The Great Slow Downer

Online Converter can help you increase the speed or decrease the speed in seconds. It supports various videos, such as MP4, AVI, FLV, MOV, 3GP, MKV, etc., and the audio in the video will also become faster and slower at the same time while editing the video speed.

Pros:

Mac Free Antivirus Download

• Support uploading different video files
• Adjust video speed from 0.5x to 4x
• Easy to use

Cons:

• Has a limitation for uploading video file (within 200 MB)

Top 3 Free Video Speed Controller App for Mobile Phone

1. Video Speed Changer: SlowMo FastMo

Video Speed Changer is an Android app to help you adjust video speed. It can convert any video into slow-motion or fast-motion video, or you can set different speeds at multiple parts of the same video. After editing, it enables you to share the video with your friends or on any social platforms directly from this app.

Pros:

• Fast processing
• Set various speeds at different parts of the same video
• Preview the edited video before exporting

Slow Downer Mac Free Version

Cons:

• No editing options

2. SpeedPro

If you are looking for an app to speed up or slow down a video on your iOS device, SpeedPro is a nice option. This video speed changer app allows you to increase or decrease video speed easily and quickly. You can also select a particular part of the video clip to adjust its speed. Except that, it allows you to add music to your video or do other editing works.

Pros:

• Best for making slow motion or fast motion video
• Upload the video to the social media sites directly
• Offer basic video editing tools

Cons：

• Sometimes it cannot work

3. KineMaster

KineMaster is a professional video editing app for mobile phone users. Using it, you can adjust different video speeds based on your needs with quick clicks. Moreover, it offers you a great many video editing tools, including trimming, cutting, reversing, etc., and you can turn your video clips into a standout movie.

Pros:

• Intuitive user interface
• Many advanced editing tools like chroma key
• Export videos in high resolution

Cons:

• A little complicated for beginners

Conclusion

EaseUS Video Editor is not hardware intensive, and it will render the video in no time. The best part of using this software is that you can speed up and slow down, even using the free version. Also, if you do not have any experience in video editing, changing video playback speed using it is straightforward.

Summary: Still worry about your insufficient Mac storage? Want to speed up Mac but don't know how? Get the 6 free Mac cleaners to clear disk space, clean junk or duplicate files to free up your Mac.

Many of us know exactly how to clean Windows computer or Android phone, but when it comes to cleaning Mac, few people know about it. Many Apple users think that, there is no need to clean Mac.

However, with more and more junk files occupying your Mac storage, your Mac will slow down and offer a bad performance. You have to rely on some Mac cleaner software to remove all useless data.

Best Free Mac Cleaners

With so many Mac cleaner tools offered on the market, which one you should use? Do you know how to choose a great Mac cleaner? We have tested more than 20 Mac cleaners and select the 6 best ones for you to choose from. You can pick your preferred Free Mac cleaner to speed up your Mac easily and quickly.

No.1 Free Mac cleaner: CCleaner - Free junk file cleaner

CCleaner is one free and top Mac cleaner to delete cookies, search history, temporary files and junk files from Mac. The specific functions are below:

1. Find and remove useless/junk files with the click of a button so your Mac can run faster. Speed up boot times with easy management of Startup items.

2. Clear up your recycle bin, temporary files and folders, broken permissions and others. If you want to remove installed programs, just click one button.

3. Erase your browser search history and cookies so you can browse any Internet confidentially and your identity remains anonymous.

No.2 Free Mac cleaner: Disk Inventory X – Free disk cleaner for Mac

Disk Inventory X is one disk cleaning software and disk usage utility for Mac. With this free Mac cleaner, you can know where your disk space has gone and clean it safely. Just see more about Disk Inventory X.

1. Disk Inventory X shows the sizes of files and folders in a special graphical way.

2. With this Mac cleaner, you can see different files marked with different colors, to help you easily find what you want to delete.

No.3 Free Mac cleaner: AVG Cleaner – Free hidden clutter cleaner

AVG Cleaner is one free Mac cleaner to clean hidden clutter and forgotten duplicates. You can see the detailed information below:

1. Clear more hidden garbage, log, download history and trash bin for freeing up more space on your Mac.

2. Search more duplicate files, including images, music, videos and folders.

3. Created for Mac and easy to use.

4. There is an anti-virus software called AVG AntiVirus for Mac, you can use it to protect Macs on your and your families.

No.4 Free Mac cleaner: OmniDiskSweeper - Free hard drive cleaner

OmniDiskSweeper is one free Mac cleaner to find and delete big files that taking up hard drive space and also it can help you recover lost disk space.

1. OmniDiskSweeper helps you sort every file on your Mac by size and you can identify the biggest file to delete it.

2. After deleting, remaining space and folders are recalculated.

No.5 Free Mac cleaner: Dr. Cleaner – Free memory, disk, system cleaner

Dr. Cleaner is one free Mac cleaning app to offer Memory Optimization, Disk Cleaning and System Monitoring to keep your Mac optimized for the best performance.

1. Smart and accurate selection for duplicates scan and remove on Mac with OS X 10.6.6 or later.

2. Scanned big files and junk files will be deleted easily from your Mac.

3. You can easily view real-time network usage and CPU usage in the Menu bar.

No.6 Free Mac cleaner: Disk Drill

Disk Drill is one very popular free Mac cleaner app. Actually, it is a professional data recovery tool for Mac, which carries some disk cleaning functions. It has the capability to analyze Mac storage space, locate unused, large, and duplicate files and so on. In this way, it enables you to free up your Mac storage effortlessly.

1. Monitor the health of your Mac storage and offer timely alerts.

2. Find and remove duplicate files in multiple locations on Mac.

Amazing Slow Downer Alternative

3. Analyze disk space, locate unused files and space hogs, free up storage.

Professional Mac cleaner recommendation:

With the best 6 Mac cleaner apps above, you can handily remove some junk files and optimize your Mac performance. But some of them only offer trial features. Here you are recommended to directly choose the professional Mac cleaner below:

• Scan and delete junk files including cache data and logs, email attachments, unwanted iTunes backup and app localization.
• Delete large and old documents and selectively remove worthless files.
• Clean duplicated files or folders on Mac.
• Uninstall apps and clean associated files safely.
• Monitor Mac system in disk utilization, battery status, memory performance and CPU usage.
• Compatible with iMac, Mac Pro, MacBook (Air/Pro) in the latest macOS Monterey.

FAQs of Free Mac Cleaner

How do I clean and optimize my Mac?

Download and install Aiseesoft Mac Cleaner. Click Cleaner and you can clean up your Mac by cleaning system junk, iPhoto junk, email junk, similar photos, iTunes junk, trash bin, large & old files and more.

Why is my Mac so slow?

The reason that why is your Mac so slow may includes there is no enough hard drive or RAM on Mac. Or there is too many startup items or icon clutter on desktop. Perhaps your macOS is outdated and you should update it.

Does Catalina slow down your Mac?

No. Catalina won’t slow down an old Mac. You can check to make sure if your Mac is compatible with macOS Catalina.

By now, 6 free Mac cleaners have been shared here. You can choose your preferred Mac cleaner according to your need. Please share it in comment if you have any better Mac cleaner recommendation. Check ere if you want to speed up your slow iPhone.

What do you think of this post?

Excellent

Rating: 4.8 / 5 (based on 238 ratings)

December 29, 2020 17:50 / Updated by Louisa White to Mac Cleanup