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Description
Turn Facebook group comment threads into a local, offline-first, searchable product database. Comment Prospector for Facebook turns large Facebook group marketplace comment threads into a local, searchable product database — right in your browser, with no backend and no tracking. In many buy-and-sell groups, people post products as comments under a single post — hundreds or thousands of them. Comment Prospector collects them once and turns them into a catalog you can actually search. • Collect every comment on a post — including "see more replies" — into a local database, with pause/resume that survives the browser suspending the extension. • Capture a seller's self-reply product chain as separate, linked listings. • Live Watch keeps appending new comments and reconciles edits and deletions. • A deterministic pipeline derives structured listings (price, brand, condition, keywords, images) with Vietnamese-aware text handling. • Search instantly with keyword / phrase / fuzzy matching, attribute filters, and a one-click jump back to the original Facebook comment. • Export to CSV / JSON / HTML / Markdown, and back up or restore everything as a single ZIP file. • Optional AI enrichment (classify / attributes / summary / tags) using a provider you configure — OpenAI-compatible, Ollama, or LM Studio. Everything works with no AI configured. Privacy by design: all data stays in your browser. There is no backend, no telemetry, and no analytics. The only features that use the network — AI enrichment and offline image caching — are off by default, and each asks for a specific permission when you turn it on. API keys are encrypted at rest and are never included in exports. Not affiliated with, endorsed by, or sponsored by Meta Platforms, Inc. "Facebook" is a trademark of Meta Platforms, Inc., used here only to describe the site this tool works with.