Kibin
Professional Proofreading as a Service
Kibin launched on April 3, 2014 with 103 votes, #135 of 1,174 launches that month and more than 75% of that year's launches. The site was still online in September 2026, 12 years on.
What it does
Turn lectures, notes, PDFs, and videos into personalized study guides, quizzes, flashcards, and explanations. Study smarter with Kibin — free to start.
Does a similar job
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Proofly Dec 2025 · chromewebstore.google.com · ▲129Private AI proofreading that runs 100% on your device
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