Drag the handle to compare before and after.
Box the caption bar, then clear it. Fits a single burned-in line.
Setup
Cloud · freeBox Mask
Box a region, then cover captions or bugs.
Draw a box over the caption or bug.
Click this button, then watch the right side
Sign in to finish here. No credits.
After you sign in, generated assets land in My Projects. Open that list anytime to find them.
Preview
The result appears here
Examples
Samples sit under the bench. They are not your upload. Drag the handle on before-and-after pairs.
When you would use it
People open Box Mask to finish one clip.
01
The clip plays, but it is soft or has burned-in captions.
02
Clear one caption layer or sharpen. Leave the timeline.
03
Box the caption or bug, then erase.
How to use
STEP 1
Drop the clip, then box the caption or bug.
STEP 2
Drag to adjust the box. Cloud erase costs nothing.
STEP 3
Review and download here.
Before you start
- Box the caption or bug first. The erase covers the whole clip.
- Box erase, upscale, and trim cost nothing. Trim a long cut first.
- This page returns this clip, not a full episode.
FAQ
Can I use Box Mask without signing in?
You can read the page and examples first. Generate asks you to sign in. An empty generate stays here.
How many credits does Box Mask cost?
Trim, crop, split, video upscale, and caption erase run in the cloud and cost nothing. Reshoot is per second. Remake and breakdown are metered. The button shows this job's rate.
Where is the result saved?
Signed-in results go to My Projects. Download here, or open My Projects later for the same files.
Do failed jobs still charge?
Failed jobs are usually not charged. The button is an estimate; the ledger shows the successful charge.
