Back to platform
Free Toolbox
YouTube Description Optimizer
Rewrite your description for SEO and readability.
Go deeper
Run a real video through the full ViralHookAnalyzer.
Paste any YouTube, TikTok or Shorts link and get benchmarks, retention curves, and rewrites — grounded in your actual footage.
Analyze a video freeExamples
Best practices
- Put the primary keyword in the first 25 words.
- Include chapters — they boost session time and viewer control.
- Never paste the same description across videos.
Frequently asked questions
How long should a YouTube description be?+
150-300 words is the sweet spot for SEO without hurting scannability.
Do descriptions still matter for ranking?+
Yes — they still feed YouTube's semantic understanding of the video and affect suggested-video placement.
Related tools
Recommended stack
Keep exploring
Hook Library
Browse every analyzed hook
Leaderboard
Top viral-IQ scores
Insights
Long-form creator research
Best Hooks
Niche-by-niche hook libraries
Toolkit
AI tools for creators
Live Analysis
Score any video in seconds
Compare
Hook A vs Hook B battle
Best Tools
2026 rankings & reviews
Pillars
Core SEO authority hubs
AI Visibility
ChatGPT, Gemini, Claude

