GlenSum

Privacy-first browser extension that summarizes any webpage

Browser extensionfreemiumworldwide

GlenSum is a browser extension that summarizes any webpage in one click using the user's own AI API key, so no browsing data is sent to GlenSum's own servers. It supports bilingual side-by-side reading, mind-map export and batch processing, free and unlimited with a personal API key, with a one-time payment to unlock extra features. It's for people who read a lot of long-form content, like research, news or documentation, and want quick, private summaries.

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Behind the summary, Matchbox keeps a richer profile of GlenSum - the signals our matcher actually reads to decide when to surface it. It stays private; claim the listing to see and control it.

Problem & pain-point mapping
Who we surface it to (audience fit)
What it's a strong alternative to
Trust & credibility signals

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