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Description
Instantly scan your Google NotebookLM notebooks and safely remove duplicate sources with one click. Release Notes: Version 1.7.2 Summary of Changes: This major update introduces a smarter detection engine and restores full functionality following recent structural changes to the Google NotebookLM interface. New Features: Smart Fuzzy Matching: Upgraded the duplicate detection engine from exact-string matching to a robust fuzzy-matching algorithm (Levenshtein distance). The extension now intelligently groups similar sources together, easily catching duplicates even if their titles differ slightly due to punctuation or trailing suffixes (e.g., catching "Document" and "Document - Website"). Bug Fixes & Improvements: NotebookLM UI Update Compatibility: Adapted the scanning logic to seamlessly support Google's new DOM structure in the left-hand source sidebar. Ghost Element Filtering: Implemented advanced on-screen visibility checks and physical coordinate tracking to filter out hidden "ghost" elements generated by the new NotebookLM UI, entirely eliminating the recent "false positive" bug where all sources were flagged as duplicates. Coordinate-Based Deduplication: The extension now cross-references physical Y-axis screen coordinates to ensure that nested HTML elements within a single visual row are correctly collapsed and counted as a single source item. Declutter your NotebookLM workspaces in seconds! Google NotebookLM is an incredible tool for AI-assisted research, but it currently lacks a native way to handle duplicate sources. If you've ever accidentally uploaded the same PDF, website, or document twice, you know how frustrating it is to manually hunt them down and delete them one by one to free up your source limit. NotebookLM Deduper solves this problem entirely. ✨ Features: Instant Scanning: Click the extension icon to instantly scan your active notebook for any duplicate source titles. Visual Checklist: Review all found duplicates in a sleek, modern interface. Uncheck any sources you want to keep. 1-Click Deletion: Click "Remove Selected" to automatically process and delete the duplicates from your notebook. Failsafe Security: Built with robust safety checks. The extension actively reads Google's confirmation modals to guarantee it never deletes the wrong file. 🛡️ Privacy & Security: No Data Collection: This extension runs entirely locally on your machine. It does not collect, store, or transmit your NotebookLM data, sources, or any personal information. Safe Automation: The script simply mimics human clicks within your browser, ensuring your NotebookLM workspace remains completely stable. Note: This extension is an independent tool and is not affiliated with, endorsed by, or sponsored by Google or NotebookLM. ⚠️ DISCLAIMER & LIMITATION OF LIABILITY This extension is provided "as is" and without warranty of any kind. By installing and using this extension, you agree that the developer is not responsible for any accidental data loss, deletion of sources, or damages resulting from the use of this software. Always review the highlighted duplicate sources carefully before clicking the delete button.