How to Blur a Video Online: Whole Frame or Just Part (Free)

Blur a whole video or just part of it in your browser with pixelate.video. Choose Blur, set the strength, draw a box over a sign or screen, track it as it moves, time it, or keep one area sharp. Free, no upload, no watermark.

Free tool and guide Blur video online Blur the whole frame, or just part of the video. Open the tool →

Key moments

1. 1 Introduction , starts at 0:00
2. 2 Open your video , starts at 0:16
3. 3 Blur the whole video , starts at 0:25
4. 4 Blur part of a video , starts at 0:42
5. 5 Blur for a few seconds , starts at 1:10
6. 6 Keep one area sharp , starts at 1:21
7. 7 Export and download , starts at 1:37
8. 8 Recap , starts at 1:51

Transcript

Introduction 0:00

1. 0:00 Here's how to blur a video online, free, right in your browser.
2. 0:05 You can blur every frame, for a soft background or a teaser.
3. 0:09 Or blur just one part, like a sign or a screen.
4. 0:13 Nothing is uploaded, and there's no watermark.

Open your video 0:16

1. 0:16 Open pixelate.video, and click Select video, or drop your file on the page.
2. 0:21 MP4, MOV, WebM and MKV all work.

Blur the whole video 0:25

1. 0:26 Under Effect, click Blur.
2. 0:28 Whole video is selected by default, so every frame is blurred.
3. 0:33 Drag Blur amount to set the strength, from 4 to 64 pixels.
4. 0:37 It's measured at your video's full resolution, so the preview matches the export.

Blur part of a video 0:42

1. 0:42 To blur only part of the frame, click Chosen areas.
2. 0:47 A starter box appears.
3. 0:48 Delete it, or drag it where you need it.
4. 0:51 Then drag on the video to draw a box over what you want to hide, like this shop sign.
5. 0:57 The camera moves, so click Track movement automatically.
6. 1:00 The box follows the sign through the whole clip, right on your device.
7. 1:04 If it ever loses track, move the box back and track again from there.

Blur for a few seconds 1:10

1. 1:10 To blur something only while it is on screen, move the playhead and click Starts here.
2. 1:15 Drag to where it should stop.
3. 1:17 Then click Ends here. The square bracket keys do the same.

Keep one area sharp 1:21

1. 1:22 To blur everything except your box, turn on Blur everything except the areas.
2. 1:26 The rest of the frame is blurred, and the box stays sharp.
3. 1:30 It's a simple box or oval, not a cut-out of a person, so it suits things that stay put or that you track.

Export and download 1:37

1. 1:37 When it looks right, click Export video.
2. 1:39 The video is rendered right in your browser.
3. 1:43 Then click Download video.
4. 1:45 You get an MP4 with the original sound, or a WebM if you pick it under Export settings.

Recap 1:51

1. 1:51 Here's the recap.
2. 1:53 Open your video and choose Blur.
3. 1:55 Pick Whole video, or draw boxes with Chosen areas.
4. 1:58 Then export and download it.
5. 2:01 Blur your next video free at pixelate.video.