AI Smart Erase - Remove Video Subtitles & Watermarks
Detect and erase subtitles and watermarks — auto-detect the full frame (catching ones that move or shift), or box a region, then let AI fill the background.
See the Difference
Experience the quality enhancement powered by AI
Who uses Smart Eraser
Real workflows from teams creating for global audiences
Repurpose Old Footage
Remove outdated subtitles or expired campaign text from your own clips so they're ready to republish.
Prep for Global Markets
Erase the original-language subtitles from your own footage before retranslating — viewers see a clean frame.
Batch-Process E-commerce Assets
Strip stickers and floating badges from your own product videos in bulk to refresh your asset library.
Logo & corner-mark cleanup
Box a corner logo, platform mark or fixed watermark and erase it across the clip.
Core Features
Clean Erasure
Erase subtitles and watermarks; AI fills the background naturally
- ✓Clean subtitle / watermark removal
- ✓Natural background fill
- ✓Keeps quality where it can
Static & moving
Erases subtitles and watermarks whether fixed or moving, including AI-video corner marks
- ✓Moving or static subs & watermarks
- ✓Works on busy backgrounds
- ✓Auto-detect or manual box
Flexible Selection
Supports global auto-detection or manual area selection
- ✓Auto-detect target areas
- ✓Manual selection supported
- ✓Batch processing for efficiency
How it works under the hood
A look inside the pipeline — every step is driven by real engines
Draw a Selection
Auto-detect on-screen subtitles, or box one region
Per-frame tracking
Detects across every frame — keeps up with subtitles and watermarks that move or shift
AI fills the background
Reconstructs the erased area from surrounding pixels
HD Export
Up to 1080p output — no quality compromise
User Guide
Upload Video
Upload video containing watermark or subtitles
Select Area
Auto-identify or manually select area to erase
Smart Erase
AI automatically processes to remove watermark and fill background
Specs and limits
The hard facts you need before submitting, at a glance
vs. Traditional Methods
Crop / Blur / Re-edit: Crops a chunk or leaves a blurry patch
Oiiyao: AI fills the background naturally
Crop / Blur / Re-edit: Manual work for every segment
Oiiyao: Set once, auto-processed across the clip
Crop / Blur / Re-edit: Hard to handle, manual frame-by-frame
Oiiyao: Auto-detected and erased, even when moving
Frequently Asked Questions
Tools that work together
Chain the next step in your real workflow
Video Translation
Erase the old subtitles then translate and dub in one go — your footage goes global.
Learn more →Subtitle Translation
Clean up the frame first, then generate fresh subtitles in any language.
Learn more →Face Swap
Need a new on-screen identity too? Combine erasure with face swap to fully refresh your footage.
Learn more →