Research-backed prompting techniques from arXiv, rated for practical value
Free AI tool that turns YouTube videos into summaries with key points and timestamps
Stage
Not given
Startup
Founded
Not given
2026
Based in
Not given
Not given
Pricing model
Freemium
Freemium
Pricing
Not given
Free: 5 summaries per day, no signup required. Pro: $7.99/month or $59.99/year (save 37% with annual billing). Free users get key points extraction; Pro includes 100 summaries and video questions per day, 50 transcript extractions per day, and instant translation to 12 languages.
Key features
715 published prompting techniques scored 80+ for practical value
Scores based on practitioner applicability, evidence strength, effect size, and novelty
Copy-paste prompts for ChatGPT, Claude, and Gemini
Links to original arXiv papers for every technique
Weekly newsletter with top techniques every Sunday
Four views per technique: breakdown, plain language, digest, and role-based guides
Browsable catalog organized by technique type and publication month
No account required to access all pages and techniques
Lab score range 80-97 indicates technique quality and applicability
Instant YouTube video summarization
Key points extraction with timestamps
Chat with video content
50+ languages supported
No account required
YouTube Shorts support
Full transcript extraction
Chrome extension available
What makes it different
Transparent scoring methodology with links to original papers for verification
Techniques tested across multiple models and use cases to confirm practical transferability
Free with no mandatory signup or credit card
Clickable timestamps let you jump directly to moments in the video
Summaries available in 12 target languages independent of video language
PromptLabster
Summarizer.tube