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Glasp review

Freemium#1 of 25 in AI Video Summarizers

A flexible summarizer for YouTube, audio files, PDFs, transcripts, and saved research.

8.9/10Editor score
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Glasp is a social web and PDF highlighter with AI summaries, transcripts, chat, and knowledge organization. It is designed for researchers, students, writers, and lifelong learners who want to turn YouTube videos, local audio files, PDFs, and saved web content into searchable notes. Its coverage includes web access, a Chrome extension, iOS, and Android. For YouTube, Glasp provides summaries, full transcripts with timestamps, transcript highlighting, notes, custom prompts, and adjustable summary length. It also supports multiple AI model options.

The plan structure gives the product a broad entry point. Free includes unlimited public highlights, basic YouTube summaries, PDF uploads and summaries, AI chat credits, and audio transcription and summaries. Pro adds unlimited private highlights, advanced YouTube summaries, AI chat with all models, audio transcription and summaries, and daily auto-sync/export to Notion. Unlimited adds unlimited PDF uploads and summaries plus priority support. The paid tiers therefore matter most for private knowledge capture, more advanced YouTube work, broader AI model access, larger PDF workflows, and ongoing Notion export.

Glasp’s ecosystem fit is a central strength. Exports cover Notion, Obsidian, Markdown, CSV, and JSON, while integrations include Pocket, Matter, Raindrop, Instapaper, Medium, Readwise, Snipd, Hypothesis, Diigo, and Weava. That makes it suitable for people who collect information across reading, video, and audio tools rather than needing a single-purpose summarizer. Choose Glasp if you want one workspace for summaries, transcripts, highlights, annotations, and exports across platforms. Choose an alternative if your priority is advanced YouTube summarization on the free tier, or if you need private highlights, unlimited PDF processing, or priority support without moving to a paid plan.

Glasp pros and cons

  • Where it wins
    • Supports YouTube summaries, timestamped transcripts, and adjustable prompts
    • Transcribes and summarizes uploaded audio files and PDFs
    • Exports to Notion, Obsidian, Markdown, CSV, and JSON
  • Where it doesn't
    • Free YouTube summaries are limited to the basic level
    • Private highlights and advanced summaries require a paid plan
    • Priority support and unlimited PDF summaries are limited to Unlimited

Glasp fact sheet, pricing and score →

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