1. Launch the Samsung Gallery app and open the video whose speed you want to change.
  2. Tap on the Edit icon at the bottom to open Samsung’s video editor.
  3. Scroll through the list of icons at the bottom until you see the Speed icon. Tap on it.
  4. By default, the video plays at the original 1x speed. Tap on 1/2x to decrease the speed and 2x to speed up the video. Sadly, those are the only speed options offered in the Samsung video editor. Press the Play icon to preview the video.
  5. Tap on Save to download the new video. Tip: Check out 14 best Samsung Gallery features and settings.

2. How to Change Speed of Video Using iMovie on iPhone

On iOS and iPadOS, you can use the iMovie app, which is a free video editing app from Apple. Here’s how to go about it.

  1. Install the iMovie app on your phone, in case it isn’t pre-installed.
  2. Open the iMovie app. You will reach the Projects screen. Tap on the + (Create Project) button.
  3. You will be asked to select the type of project between Movie and Trailer. Select Movie.
  4. Tap on the video that you want to edit and press the Create Movie button.
  5. You will reach the editing screen. Tap on the video clip at the bottom.
  6. The video editing tools will appear. Tap on the Speed icon, which resembles the speedometer. Drag the slider towards the right to speed up the video and towards the left to slow down the video. Play the video to preview it at the new speed.
  7. Tap on the Done button at the top to save the project.
  8. To save the video to the gallery, hit the Share icon and select Save video from the Share Screen.

3. Change Video Speed Using InShot (Android and iOS)

InShot is one of the best free video and photo editors available for both Android and iOS. You can use it to change the speed of your video and perform other video editing tasks. To change video speed using the InShot app, follow the steps:

  1. Download the InShot app on your Android or iPhone and open it.
  2. Tap on the Video button. Select the New option.
  3. Select the video whose speed you want to change.
  4. The video will load in the video editor mode. Scroll through the options at the bottom until you see the Speed button. Tap on it.
  5. Select the new video speed using the scrollbar. Move the scrollbar towards the right to increase the speed and to the left to decrease the speed. Tap on the checkmark icon to select the new speed.
  6. Tap on the Save button at the top. You can choose a different resolution and frame rate while saving the video. Tap on the Save button again. Your video with the new speed will appear in your phone’s gallery. Tip: If you see the InShot watermark on your video, tap on the watermark and select the ‘Play ad’ option to remove the watermark by viewing an advertisement.

4. Change Speed of Video Using VN Editor (Android and iOS)

Another third-party free video editor app that you can use to change the speed of videos is the VN editor.

  1. Install the VN app on your Android or iPhone and open it.
  2. Tap the + (create) tab at the bottom and select New Project.
  3. Choose the video that you want to edit.
  4. When the video editor appears, tap on the video clip, in case it isn’t selected. Press the Speed tool from the bottom bar.
  5. Now, you can either change the speed of a certain portion of the video or the entire clip. Drag the slider up or down in the Curve tab to change the speed of a part of the video. Alternatively, tap on the Regular tab and adjust the speed of the video using the scrollbar. Tap on the checkmark icon.
  6. Tap on the Export button at the top to save the video. Choose the resolution, frame rate, and other parameters. Finally, hit the checkmark icon.

5. How to Change Speed of Video Using Online Tools

In addition to the above methods, you can also use various online tools to speed up or slow down a video.

  1. Open ezgif.com/video-speed in a web browser on your mobile.
  2. Tap on Choose File and add the video from your phone. You can also paste the video URL. Press the Upload video button.
  3. You will reach the customization screen. By default, the 0.5 value is shown in the multiplier box. Anything less than 1 will decrease the video and similarly, a value above 1 will increase the speed. For instance, the 0.5 value will play the video at half its original speed. The tool also gives you a variety of options related to the video sound. You can mute or remove the sound altogether, keep the original sound, and change the speed of sound as well. Choose the desired option. Finally, tap on the Change video speed button.
  4. Long press the video under the Output video and hit the Download video button.

Create an Amazing Video

I hope you were able to speed up your video. Also, learn how to convert landscape video to portrait and vice versa. And how to reverse a video on mobile and PC. Once you have a great collection of videos, you can also make a video collage.