Browser extensions by Number & Reason

Small, private browser tools. None of them collects personal data.

• Page to Markdown for AI
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• Reopen Closed Tabs
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• Bookmark Rewind
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• Steady Tab
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• Interview Rehearsal
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• Creator Tally
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• Chapterly
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• Handoff Audit
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The name comes from the Pythagorean idea that number is the first principle of all things — and reason is how we get from it to answers. The ∴ mark means “therefore”: two facts, one conclusion.