📂 Upload Files
Drag files here, or click to select
Multiple files supported
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Processed entirely in your browser — files are never uploaded to any server. Your content stays private.
✨ How It Works
1
Upload Files
Drag and drop or click to upload NotebookLM-exported PPTX or PDF. Batch upload supported.
2
Auto-Detect & Remove
Each page/slide is scanned for NotebookLM watermark elements, which are permanently removed.
3
Download Clean Files
Download your watermark-free files in fully compatible format.
❓ FAQ
Which file types are supported?
PPTX (PowerPoint) and PDF — the two main formats exported by NotebookLM.
Will my files be uploaded to a server?
No. All processing is done locally in your browser. Files never leave your device.
Is there a difference between PPTX and PDF processing?
PPTX is most reliable: the tool directly parses XML to delete watermark shape elements, including slide masters. PDF works by analyzing content streams; results depend on the PDF encoding.
What if the watermark is not fully removed?
This mainly affects PDFs where watermarks are embedded as images or with special encoding. PPTX files are typically 100% clean.
🎬 Video Watermark Removal
1
Upload Video
Supports MP4, WebM, MOV, AVI and more
2
Mark Watermark Region
Drag to select in preview, or use presets
3
Process & Download
FFmpeg runs in-browser, download when done
FFmpeg engine not loaded yet. It will load automatically when you open this tab…
📂 Upload Video File
Drag video here, or click to select
Recommended size under 500MB
📋 Usage Notes
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About FFmpeg
On first use, ~25MB of FFmpeg WebAssembly is downloaded from CDN. Keep your network available. Once loaded it can work offline.
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Fully Local Processing
Videos are processed entirely in your browser — no server upload. Supports any size (limited by device memory).
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Browser Requirements
Chrome 90+ or Edge 90+ recommended. Some browsers require the page to be served from a web server.