Package Exports

notebooklm-remover
notebooklm-remover/index.js

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Readme

notebooklm-remover

Remove NotebookLM watermarks from images via CLI or Node.js API. 100% local processing — your files never leave your machine.

For video, PDF, PPTX, Gemini image, and audio processing, use the full online tool: notebooklmremover.org

Install

npm install -g notebooklm-remover

CLI Usage

# Single image
notebooklm-remover slide.png cleaned.png

# Batch process a folder
notebooklm-remover ./slides/ ./output/

# Custom threshold
notebooklm-remover slide.png cleaned.png --threshold 45

API Usage

const { removeWatermark } = require('notebooklm-remover');

await removeWatermark('input.png', 'output.png', {
  threshold: 60,  // Detection sensitivity (default: 60)
  scanW: 0.22,    // Scan width ratio (default: 22% from right)
  scanH: 0.08,    // Scan height ratio (default: 8% from bottom)
});

How It Works

Scans the bottom-right corner of the image (where NotebookLM places its logo)
Detects dark pixels against the background using median-based thresholding
Replaces detected watermark pixels with sampled background from above the region
Multi-pass detection with adaptive thresholds for various backgrounds

Supported Formats

Format	CLI	Online Tool
PNG/JPG/WebP images	✅	✅
Video (MP4)	❌	✅ notebooklmremover.org/video
PDF slides	❌	✅ notebooklmremover.org/slides
PPTX	❌	✅ notebooklmremover.org/pptx
Gemini images	❌	✅ notebooklmremover.org/gemini-image
Audio trimming	❌	✅ notebooklmremover.org/audio
Metadata removal	❌	✅ notebooklmremover.org/metadata

License

MIT