7 Free Methods to Speed Up A Video Online You Should Know [Ultimate Guide]

November 05, 2021Ashley Mae

When you need to make some special videos for TikTok online, accelerating video speed is one of the most frequently used methods. How to speed up a video online? Whether you need to create fast-motion/slow-motion effects, or simply need to fast-forward the videos, you can learn more about the 7 free methods to speed up videos online, as well as the best alternative to control the video speed from the article.

Speed Up A Video Online

Part 1: 7 Free Methods to Speed Up a Video Online

Method 1: EZGIF

EZGIF not only speeds up video files online, but also fast-forward GIF, WebP, and MNG. It enables you to accelerate or slow down any video file to make a slow-motion video. It is an easy-to-use online speed controller that enables you to speed up videos within two steps.


  • Support MP4, WebM, AVI, MPEG, FLV, MOV, 3GP, and others.
  • Keep the audio track at the original pace or together with video.
  • Speed-up, slow down or even specify precise delay time.


  • The video quality will inevitably degrade after changing the speed.
  • Work for small videos within 100MB only.

Method 2: Clideo

Clideo also is another easy-to-operate online video accelerator. It enables you to speed up your video from 0.25X to 4X, mutes the audio, and works on both mobile devices and computers. Moreover, you can adjust the video speed by choosing to make it faster in seconds.


  • Provide the 6 most commonly used speed control options online.
  • Support MP4, AVI, MPG, VOB, WMV, MOV, and more others.
  • Choose the videos from Dropbox, Google Drive, and computer.


  • It has a size limitation of 100MB.
  • The upload and download speed is slow.

Method 3: WeVideo

WeVideo is more than an online video editor to fast-forward videos. It also provides some advanced editing features, including a green screen, timeline adjustment, and more. You can always slow down or speed up your clip up to 5X its normal speed.


  • Provide both the range slider and the speed slider to speed up videos.
  • Make slideshow videos and export the output files in multiple formats.
  • Save the edited and accelerated videos automatically on the cloud.


  • You need to create a slideshow for speeding up a video online.
  • The user interface is complicated to master, especially for a beginner.

Method 4: Kapwing

When you need to speed up the pace of a video online, Kapwing is an image, video, and GIF editor with advanced speed-controlling features. It enables you to adjust your original video playback speed from 0.25X to 4X. Moreover, there are some advanced editing features.


  • Speed up a video online from a URL or directly from your hard drive.
  • Provide 6 different options to create fast/slow-motion videos easily.
  • Trim the desired part of the accelerated video before exporting.


  • The speed options and the sizes of the video are limited.
  • Limited features to edit or export the videos directly.

Method 5: Video Toolbox

Video Toolbox is a free online video editor to make your video faster and do other editing tasks. Analyses your video files and displays detailed information about the codec, bit rate, frame rate, resolution, etc. Moreover, it also enables you to download the speed-up video online.


  • Process and speed up video files up even to 600MB.
  • Tweak frame rate and resolution for accelerated videos.
  • It has an easy user interface to edit the videos online.


  • Unable to preview the speed-up video online directly.
  • Does not provide options to adjust the video speeds.
Video Toolbox

Method 6: FlexClip

FlexClip is a good choice to speed large up video files online, which provides a simple user interface to process the filter. Just upload the videos to make a slow-mo video or increase video speed with great ease. You can get the free video from the stock to view the filter beforehand.


  • Support file formats like MP4, MOV, M4V, and many others.
  • Choose the right speed parameter without professional skills.
  • Provide some advanced video editing features and filters.


  • Cannot export the video with different frame rates, video codecs, etc.
  • The audio files might not be synced when you choose 3X speed.

Method 7: Clipchamp

Clipchamp is another advanced online video editor with a wide range of editing tools, which enables you to create fast/slow-motion effects. Different from the other online speed-up methods, you can accelerate the desired part of the video without clipping.


  • Select the videos from Box, Google Drive, Zoom, Dropbox, etc.
  • Speed up a video from 2X to 16X and preview the filter instantly.
  • Provide royalty-free stock music, videos, and background.


  • Need to log in or create an account to speed up a video online.
  • Cannot tweak the parameters for the audio files with the video.

Part 2: Best Online Alternative to Speed Up a Video

Aiseesoft Video Converter Ultimate is another video converter and editor to speed up/slow down videos. As the best online video speed-up method, you do not have to worry about the video size limitation, output video size, export video format, and audio sync issue.

Video Converter Ultimate


Aiseesoft Video Converter Ultimate

  • Adjust the video speed ranging from 0.125X to 8X.
  • Preview the video and audio files during acceleration.
  • Tweak the frame rate, video codec, and other settings.
  • Combine more other video filters without exporting.
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Part 3: FAQs about How to Speed up a Video Online

Is it possible to speed up a video online on an iPhone?

Yes. Just go to the online video editor on your iPhone, you can upload the videos from the Camera app and speed up them online. Of course, you can also download a video editor to control the speed without an Internet.

Should I use an online video editor to make a video faster?

No. If you just need to skim through some videos, you do not have to use the online video editors to speed up a video online. Just import the video to a media player and click the fast forward button.

How to speed up a large video online in a short time?

Just use the mentioned online video editors and pay attention to the size limitation. If you need to speed up a large video with 1GB or above, you should download the professional video editor and converter.


How to make your video stand out? When you need to make a special filter by speeding up your video online, here are the 7 best methods you should not miss. When you need to accelerate or fast-forward the videos without any limitation, Aiseesoft Video Converter Ultimate is one of the best choices you should download.

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