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

Last Updated: 2022. 12. 26

Applying a blur or mosaic to parts of a video like someone’s face, an object, or a video background is an effective way to protect one's identity, and hide sensitive and disturbing video content not meant to be shown to the viewers.

If you are looking for an easy way to blur a video, we’ve got you covered! In this tutorial, we will walk you through 6 proven ways to blur faces or parts of a video. So, you can easily hide sensitive information by blurring parts of a video on PC, Online, and iPhone.

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

    If the subject or object in your video is static and you don’t have any video editor on your PC, then an easy solution to blur parts of the video is using the feature-packed FlexClip online video maker, with no plugin download and video editing experience needed.

    Blur faces or parts of the video by FlexClip online.

    Create Now

    With FlexClip, you can apply the mosaic overlay to faces, objects, or parts of the background in the video to create blurry effects. You may also use the crop mask to customize the shape of blur effects. Easy peasy lemon squeezy.

    Step 1
    Access FlexClip and upload your video assets from your PC, phone, Google Drive, Dropbox, One Drive, or social media like Instagram, Facebook, etc.
    Upload your videos to FlexClip

    Upload your videos to FlexClip.

    Step 2
    Click the plus sign to add your video to the intuitive timeline. You can trim or split the clip to remove unwanted video moments when needed.
    Add the clip to the timeline and trim or split the clip

    Add the clip to the timeline and trim or split the clip.

    Step 3
    Blur the face in the video.

    Click the Video tab > type in “mosaic” in the search bar > scroll down and search for a mosaic to your liking and click “Add As Layer” to add it to the video. Move this mosaic to block the face of the subject. You may also customize the opacity and size of the mosaic.

    Add mosaic to the video to blur the face of the subject

    Add mosaic to the video to blur the face of the subject.

    Now, with the mosaic selected, click the Crop Mask tool above > crop the mosaic into a circle or any shape to your liking. Make sure, the mosaic overlay aligns with the video length. Done.

    Use Crop Mask to crop the mosaic into a circle

    Use Crop Mask to crop the mosaic into a circle.

    Here is the resulting blurred video from the example:

    Blur a face in a video interview by FlexClip

    Blur video Now

    You can use the same method to blur an object or parts of the video background as well.

    Step 4
    Preview and share.

    Done with the editing. You can download the blurred video to your PC or directly share it to YouTube, Google Drive, One Drive, Dropbox, or TikTok; a clickable link and an embed code are also available for repurposing.

    Different ways to share your video

    Different ways to share your video.

    Bonus: Use FlexClip’s free video templates to create videos in minutes.
    FlexClip also offers you tons of designer-made and fully-customizable video templates for promo, YouTube, Instagram Reels, TikTok, etc. Simply drag and drop your footage to replace it with readymade elements, you can create a compelling video with the click of a button.
    Animated Sport Intro
    Preview
    Animated Sport Intro
    Use This Template
    Purple Lyrics Template
    Preview
    Purple Lyrics Template
    Use This Template
    Event Promo Business Conference
    Preview
    Event Promo Business Conference
    Use This Template
    Trend Amazon Shop Promo
    Preview
    Trend Amazon Shop Promo
    Use This Template

    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 Blur 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

    Step 7
    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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