Stop letting social media platforms ruin your hooks! PostTruncate is a privacy-first web utility that shows you exactly where the mobile feed cuts off your text (... more) on Instagram, Threads, LinkedIn, and X. Automatically split long drafts into perfectly formatted threads, monitor keyword overuse in real-time, and clean your raw copy with built-in social sanitisers. 100% free, runs entirely client-side via localStorage, and supports 10 languages.