Summarization
3 reviewed tools
1. Gist AI
Gist AI is a free Chrome extension powered by ChatGPT that summarizes websites, YouTube videos, and online or local PDFs without content-length limits. Explore source details or jump to relevant moments in videos.
FreeDetails read from the tool's own site · 6 Nov 2026www.gistai.tech
2. Libraire
Libraire creates book summaries from pasted text, PDFs, or a title and author in five styles. Save briefs in a private library, export Markdown, translate them, or turn them into narrated audio, two-host podcasts, and short videos.
PaidDetails read from the tool's own site · 6 Nov 2026libraire.ai
3. SummaryTube.com
SummaryTube turns YouTube videos into AI summaries. Its Chrome extension is free to install, while Pro offers 1,000 monthly credits, unlimited video length, key moments, transcripts, Q&A, top comments and no ads.
FreemiumDetails read from the tool's own site · 6 Nov 2026summarytube.com