I thought I would share a simple workflow I've been using for removing watermarks from Sora videos.
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Source description
Simple Video Watermark Remover
I thought I would share a simple workflow I've been using for removing watermarks from Sora videos.
What it does
This workflow:
loads your input video
uses SAM3Segment with the prompt "watermark" to detect the watermark on each frame
grows and feathers the mask slightly for smoother blending
passes the refined mask into SimpleWatermarkRemover using LAMA
AI-generated commentary
AI-generated explanation based on source and configuration details. Suggestions are clearly labeled.
Simple Video Watermark Remover — v1.0 is for removing watermarks from Sora videos. It takes an input video, detects the watermark on each frame, and outputs a rebuilt video with the original audio and FPS preserved.
SAM3Segment uses the prompt "watermark" to detect the watermark on each frame.
The mask is grown and feathered for smoother blending, then passed to SimpleWatermarkRemover using LAMA.
The optional Test Single Frame section lets you preview one frame before running the full video.
The input is a video, and the output is a rebuilt video with the watermark removed while the original audio and FPS are preserved.
AusBoss publishes this workflow as version v1.0.
It requires four node packs: ComfyUI-VideoHelperSuite, ComfyUI-Workflow-Encrypt, RES4LYF, and rgthree-comfy.
Named controls include SAM3 Confidence Threshold, Mask Expand (Grow Mask), and Blur Radius/expand.
If edges are visible, try increasing Mask Expand (Grow Mask) slightly and adding more blur.
Suggestion · not verified
Some distortion may remain after watermark removal.
No license is listed for this workflow.
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Sources
1 sourceSource excerpts
3 excerptsSource context: 143 downloads · Type Workflows · Base model Other
rebuilds the final video while preserving the original audio and FPS
🧪 Includes Single-Frame Test Mode
This workflow also includes an optional but recommended Test Single Frame section so you can preview results on one frame before running the full video.
⚠️ Notes
works great with Sora2
its not perfect and can leave some distortion behind
If edges are visible, increase mask expand slightly and add a bit more blur.
If results are not ideal, try tweaking:
SAM3 Confidence Threshold
Mask Expand (Grow Mask)
Blur Radius/expand
Estimated VRAM requirement
0 GB estimated
Requirements
4 requirementsNode pack · Registry
Node pack · Registry
Node pack · Registry
Node pack · Registry
Source context: 133 downloads · Type Workflows · Base model Other
Source context: 126 downloads · Type Workflows · Base model Other