What is Summarify.app?

Summarify AI for YouTube delivers AI‑generated video summaries directly within the YouTube app and via a Chrome extension, supporting iOS, iPadOS, macOS and cross‑platform Chrome on Windows, Linux and Chromebooks. It offers multiple summary styles—including concise text, bullet points and detailed outlines—and embeds timestamps linked to specific video moments for quick navigation.

Users can extract chapter summaries, create custom segment summaries, search key moments, and track time saved by reviewing summaries instead of full videos. Summaries and transcripts are exportable in PDF, Markdown, plain text, XML, and TXT formats.

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Summarify.app's key features

Instant YouTube video summarization
Share extension for quick summaries
Cross‑platform native & Chrome support
Customizable summary styles
Embedded timestamps for navigation
Export summaries to PDF, MD, TXT

Summarify.app use cases

Students extract bullet‑point summaries and PDF exports from lecture videos for exam prep
Content creators use timestamped outlines and chapter extraction to edit vlogs and add captions
Researchers generate Markdown transcripts and quick outlines to cite and reference academic talks