Tsuibi Mozaru v1.3
Set when the mosaic is applied — now you can!

Until now, once you boxed a region, the mosaic stayed on from the very start of the video to the very end. So when the person you were hiding walked out of the frame, the mosaic could be left behind over an empty spot.

Before

v1.3

How to use it

1. Tap (or click) a region box in the preview to select the region you want to set the time for
2. Move the video to where you want the hiding to start, then press “Start here”
3. Move on to where you want it to stop, then press “End here”
4. To adjust it later, drag either end of the blue bar under the timeline. To go back to hiding it from start to finish, press “Whole video”

“Start here” and “End here” are under “When to hide” in the “Mosaic settings” panel on the right. On a computer, press I to set the start and O to set the end at the current playback position.

TipFrom v1.3 on, a newly added region is hidden from the point where you drew the box to the end (before, it started from the beginning of the video). For someone who appears partway through, just add a region when they show up, and there won't be any mosaic before that.

TOOL USED

Tsuibi Mozaru

Draw a box and it follows the movement automatically to keep things hidden. Mosaic, blur, fill or stamp

FreeNo uploadMP4 / MOV

Open Tsuibi Mozaru

With some videos, the tracking box twitches slightly from one frame to the next. Even when the face stays hidden, a shaky mosaic is distracting to watch.

Set “Smoothing” to “Weak” or “Strong” and those sharp jitters calm down, so the box follows along smoothly.

• Off: moves the same way as before
• Weak: reduces jitter. We recommend starting here
• Strong: puts smoothness first. For when the jitter still bothers you

• See the mosaic while paused: on a paused frame, the result of any settings change shows up right away
• Move or delete correction marks: the yellow marks on the timeline (where you re-placed a box) can be dragged back and forth. Select one and press Delete to remove it
• “Rectangle” covers right into the corners: with the shape set to “Rectangle,” the corners are covered too, so faces or license plates near the edge of the frame are hidden snugly

Keyboard shortcuts on a computer

The keys only work while the editor is visible on screen. When you're reading the explanations further down the page, the space bar still scrolls as usual.

• Cancel an export partway through: if you notice something you forgot to hide, stop it and fix it without waiting for it to finish
• Export settings: choose the “Resolution (long edge),” “Frame rate” and “Bitrate.” Usually you can leave them as they are. To make the file smaller, lower the resolution or the bitrate