Blur Part of a Video
Draw a box over what should be hidden and choose blur or pixelate. The area stays hidden for the whole video, or only between the times you set.
- Nothing is uploaded
- Free, no sign-up, no watermark
- Works offline once loaded
Drop a video here
or choose a file, or paste
MP4, MOV, WEBM, MKV, AVI, M4V, 3GP, FLV, WMV and more
Processed on your device. Nothing is uploaded.
How to use Blur Part of a Video
- 1
Add the video
Drop the video on the drop zone. A box appears over the player.
- 2
Cover the area
Drag and resize the box over the face, plate, screen or logo to hide.
- 3
Choose the effect
Under Effect pick Blur, Pixelate or Black box, and set the Strength.
- 4
Set the time range
Leave the timeline covering the whole video, or narrow it to when the area should be hidden.
- 5
Apply and download
Press Apply, check the result frame by frame if it matters, then Download.
Why use Aback Video for this
Blur, pixelate or box
Three ways to hide information, from a soft blur to a solid black box.
Visual selection
Draw the area directly on the video, no pixel numbers needed.
Time range
Hide something only while it is on screen.
Private by design
Sensitive footage is processed on your device and never uploaded.
Frequently asked questions
Does the blurred area follow a moving face?
No. The area is fixed in place for the time range. For a moving subject, draw a larger box that covers the movement, or split the video and blur each part separately.
Is blurring enough to hide text or a number plate?
Use Black box or a strong Pixelate for anything that must be unreadable. Light blurs can sometimes be partly reversed or read.
Can it remove a watermark?
It can hide the area with blur or a box. It cannot reconstruct what was behind the watermark.
Is my video uploaded?
No. Everything happens in your browser, which matters for footage you are anonymising.
Can I blur two areas?
One area per run. Run the tool again on the result for a second area.
Does it work on phones?
Yes. Drag the box with your finger.