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Most AI tools solve a single task and hand you back a fragment. ViralNebula is built around the order you actually work in — research, script, thumbnail, publish, diagnose — so the output of one step becomes the input to the next instead of another copy-paste.
Start from evidence rather than a blank page. The AI YouTube Idea Generator builds titles from outlier videos — uploads whose view counts run well ahead of their own channel's baseline, which separates real topic demand from channels that simply have a big existing audience. To go wider, the Viral Trend Hunter and Keyword Research tool read live data from YouTube's official public Data API.
Retention is decided in the first fifteen seconds. The AI Script Writer drafts a full structure — hook, body beats, payoff — and the Hook Optimizer scores your opening before you record it. Before publishing, the Script Safety Check flags copyright and factual risks. Our guide to writing YouTube scripts with AI walks through the full workflow.
The best script in your niche still loses to a thumbnail nobody clicks. Generate options with the AI Thumbnail Generator, then pressure-test them in the Thumbnail Analyzer. If you are unsure about dimensions or file limits, start with our YouTube thumbnail size reference.
Give the algorithm what it needs with the YouTube SEO Optimizer — and see our breakdown of tags versus hashtags for what actually moves the needle. When a video underperforms, the Channel Diagnosis and Channel Audit tools look for the cause, while Audience Voice reads your comments back to you at scale.
Every AI action costs credits — 5 for a batch of ideas, 50 for a full script, 30 for a thumbnail. Credits are reserved before a request runs and refunded automatically if the generation fails, so an error never costs you anything. The free tier includes 300 credits per day and 900 per month; paid plans raise that to 1,000 per day and 30,000 per month. Full details are on the pricing page and in the FAQ.
If you are weighing ViralNebula against an existing subscription, we keep honest side-by-side breakdowns — including where the other tool is still the better pick. See the vidIQ comparison, the TubeBuddy comparison, or browse all comparisons. New to the suite? The how-to-use guide and the blog are the fastest way in.