Free Tools8 free social tools.
8 free social tools.
No sign-up required.
Caption writing, hashtag research, thread building, ROI math — pick a tool and ship better posts in under 60 seconds.
Caption Generator
AI-written captions tuned to each platform, tone, and topic
Open toolHashtag Generator
Research relevant, high-reach hashtags for any niche
Open toolThread Generator
Turn a single idea into a scroll-stopping X/Twitter thread
Open toolBio Generator
Craft magnetic social media bios that convert
Open toolBest Time to Post
Find optimal posting windows per platform and audience
Open toolROI Calculator
Estimate the dollar value of your social media program
Open toolEngagement Rate Calculator
Benchmark your engagement rate against industry averages
Open toolPost Length Optimizer
Know the ideal character count for every platform
Open toolWant all of this automated?
SwarmPost deploys 5 AI agents that run these workflows continuously across 9 platforms.
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