Free Tool

Viral Post Analyzer

Paste your caption or video script and get a virality score out of 10 — with specific tips to improve it before you hit publish.

0 characters · Minimum 20 to analyze

What Makes a Post Go Viral on TikTok & Instagram?

Viral posts on TikTok and Instagram share 5 common traits: a strong hook in the first 3 seconds, an optimal length, a clear call-to-action, emotional language, and a specific claim or number that builds credibility. This analyzer checks your post against all 5 criteria instantly.

How the Virality Score Is Calculated

Each of the 5 criteria is worth up to 2 points, giving a maximum score of 10. A score of 8+ means your post has the structure of top-performing organic content. Below 6 means there are quick wins available — the tips section will tell you exactly what to fix.