How to Blur a Video in Video Easily in 6 Best Ways (Online, YouTube, PC, iPhone)

Last Updated: Mar. 01, 2022

Applying a blur to a face in a video or parts of a video is a great way to protect one's identity, hide sensitive or disturbing video content that is not meant to be shown to the public. In this tutorial, we will walk you through 6 proven ways to blur a face or parts of a video in a breeze.

Here is what you will

In video editing, there are two popular ways to blur a video:

  • Blur a still face or object in a video: Create a blurred video overlay and then use the mask tool to leave only parts of a video you wish to be blurred.
  • Blur a moving object in a video: Create a blurred video overlay and mask out the unwanted blurry areas in a video and add keyframes to track the moving face or objects from point A to point B.
  • Sounds complicated? In fact, it is far easier than you thought. Read on to learn how to blur a face or parts of a video online, on your phone, or PC using different tools.

    1. How to Blur a Video Online

    The easiest way to blur a video is using a free and versatile online video editor. The tool we recommend is FlexClip, a user-friendly in-browser video maker with no experience and software download needed.

    Use FlexClip online video editor to blur a face in videos

    Use FlexClip online video editor to blur a face in videos

    With FlexClip, you can easily select from dozens of blur and mosaic effects and apply a blur effect to your video and use the mask tool to blur a face or parts of a video you want.

    Step 1: Upload Your Clips to FlexClip and Add Them to the Storyboard

    Upload video footage to FlexClip

    Upload video footage to FlexClip

    Step 2: Add a Blur Video Overlay to the Video

    Click the "Video" tab on the left menu> enter "Mosaic" in the search bar > select a blur video overlay you like and click the "Picture in Picture " button to add it over the original video.

    Add mosaic video overlay onto the video

    Add mosaic video overlay onto the video

    Step 3: Apply a Mask to the Blur Video Overlay

    Go to the "Element" tab > select a mask, let's say an oval mask, and drag it to the blur video overlay > you may adjust the blur overlay's position, its size, opacity, or duration to cover a person's face.

    Use mask tool to reshape mosaic video overlay and blur faces in a video

    Use mask tool to reshape mosaic video overlay and blur faces in a video

    Here is the resulting blurred video from the example:

    Blur a face in a video interview by FlexClip

    Step 4: Export and Share

    Done with the editing. You can directly download the video to your hard drive or share it to YouTube, Google Drive or Dropbox. FlexClip will also generate a clickable link and embed code for your blog or a private sharing.

    2. How to Blur a Video on YouTube

    If one of your uploaded YouTube videos involves private information, such as someones' car plate, address, or you don't have the permission to show someone's face in the video, you can use YouTube video editor's blur feature to easily blur a face or parts of the video on YouTube. Check how to upload a YouTube video from PC and iPhone.

    Step 1:Open YouTube Video Editor, Select the Video and Click the Edit Button

    Select a YouTube video and click the edit button

    Select a YouTube video and click the edit button

    Step 2: Apply the Blur Effect

    Click the blur option and YouTube offers you two options to blur a video:

    Select from Face Blur or Custom Blur to blur faces or parts of a video on YouTube

    Select from Face Blur or Custom Blur to blur faces or parts of a video on YouTube

  • Face Blur. With Face Blur, YouTube will automatically detect the face in the video and offer you options to decide which face you wish to blur. Then YouTube will blur the identified moving face in the video.
  • Custom Blur. By clicking "Custom Blur", you can choose from a rectangle or oval shape to blur a face or object in the video and check "Track Object" or "Fix Blur Position" to decide where to track a moving face, object or not.
  • Step 3: Click "Save" to Publish the Video

    3. How to Blur a Video on iPhone by CapCut

    If you have just recorded a video on iPhone for TikTok, Instagram, or Snapchat, and found some people or information that may be controversial when uploaded to the social media, you can use CapCut, a free and powerful mobile app available to iPhone and Android users, to blur a face or blur parts of the video in clicks.

    Step 1: Create a New Project in CapCut and Import the Video to the Timeline

    Import a video to CapCut

    Import a video to CapCut

    Step 2:Tap the Video and Tap "Copy” to Duplicate a Video

    This duplicated video will later be used as a blurred video overlay over the original video.

    Copy another video

    Copy another video

    Step 3: Tap “Overlay” to Make the Duplicated Video as an Overlay and Drag It to Align the Original Video

    Align the duplicated video overlay with the original video

    Align the duplicated video overlay with the original video

    Step 4: Create the Blurred Overlay

    Tap "Effects" > “Video Effects”> “Basic” > select a Blur Effect and tap the checkmark and drag this blur overlay to align with the Video.

    Create the blurred overlay

    Create the blurred overlay

    Step 5: Apply the Blur Effects to Duplicated Video Overlay

    Tap the blurred overlay and tap “Object” and select "Overlay" to apply the blur effect. By doing so, the blur effect will be applied to the video overlay onto the first video. Then the video shall be blurred now.

    Apply the blur effects to the duplicated video overlay

    Apply the blur effects to the duplicated video overlay

    Step 6: Use Mask to Only Blur the Target Face or Object

    Go back to the main editing menu and tap the video overlay track and tap "Mask" and then select a circle shape for the blur effect over the original video. Then, move the blur over a person's face, and pinch to adjust the size and opacity of the blur effect.

    Apply mask to only blur target face or object in the video

    Apply mask to only blur target face or object in the video

    Step7: Add Keyframes to Track the Moving Face or Object

    Since a person's face or an object moves in a video, you need to use keyframes to control the movement of blurred overlay from point A to point B to track the moving face or object.

    Tap the blurred video overlay > tap the keyframe icon to create the first keyframe> move the timeline > tap the mask tool and adjust the position and size of the blur overlay and the second keyframe will be automatically added. > repeat the same steps until the end of the video.

    Add multiple keyframes to track moving faces in a video

    Add multiple keyframes to track moving faces in a video

    Here is the resulting blurred face video from the example above:

    Use CapCut to blur a moving face in a video

    4. Alternative Software to Blur a Video on PC

    1. Filmora

    If you don't want to spend time learning professional software like Adobe Premiere, then Filmora is an option to go. It's an easy and useful video editor, which also supports blurring a face or an object in the video. It has a face-off feature that can automatically track the face in your video or picture, and you can also add a funny grimace to the face in a video.

    Use Filmora to blur a video

    Use Filmora to blur a video

    2. VideoStudio

    If Filmora is still a little hard for you, then VideoStudio should help you out of the mud. As an all-in-one video editor, VideoStudio can help you blur faces and objects in the video without effort. In addition, you can use this tool to merge videos, cut videos, trim or edit videos. Now let's try this tool to blur faces or objects in the video with its motion tracking feature.

    Use VideoStudio to blur a video

    Use VideoStudio to blur a video

    3. Movavi Video Editor

    Designed as a powerful video editor as well as a video trimmer, Movavi supports blurring faces and objects in the video within simple steps. If you want to blur people's faces or some objects in the video, Movavi Video Editor is ready to help. You can also blur an entire video or blur a part of the video as you like.

    Use Movavi to blur a video

    Use Movavi to blur a video

    Now, It's Your Move

    So, that's how you can blur faces or parts of a video online, on iPhone, or PC. Hopefully, you find this tutorial helpful. If you have more questions as to how to blur a video, please feel free to reach us on our Facebook. So, select the best options to blur your video now!

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