FREE TOOLS · no signup · nothing stored
Free X (Twitter) & Reddit Growth Tools
Free tools from VoicePost (voicepo.st), the tool that helps founders, builders, and indie hackers grow a loyal audience on X and promote their product on Reddit without getting banned. Each one runs in your browser with no account and nothing saved. The same checks power VoicePost itself, on every draft.
X (Twitter) tools
AI Slop Checker
Score any post 0 to 100 for the phrases and patterns that mark AI writing, with a fix for each.
Free →X (Twitter) Character Counter
Count a post the way X's composer does, preview the feed cut-off, and split long text into a thread.
Free →Best Time to Post on X
A day-by-hour heatmap compiled from four posting-time studies, converted into your own timezone.
Free →X Hook Analyzer
Score your first line on the four anchors that separate a specific hook from a generic one.
Free →X Bio Generator & Checker
Score the bio you have on seven checks, then generate a better one — with live 160-character counts.
Free →Reddit tools
Reddit Ban Risk Checker
Enter your username to see why your posts keep getting removed — your real 9:1 ratio, promo density, and link habits, with the fix for each.
Free →Reddit Karma & Warmup Calculator
Enter your account age and karma to see your warmup phase, what is safe to post now, and when promo unlocks.
Free →Find My Subreddits
Match your product to the subreddits that actually tolerate promotion, with rules and promo ratings for 104 communities.
Free →Reddit Shadowban Checker
Enter a username to see whether Reddit still shows the profile publicly, plus what to do if it does not.
Free →AI tools
Free AI Tweet Generator
Turn a topic into 3 post drafts, each scored by the anti-slop engine before you see it.
Free →Free AI Reddit Post Generator
Write a value-first Reddit post and see how promotional it reads before you submit it.
Free →Landing Page Roaster
Paste a URL and get three brutal fixes, one honest compliment, and your headline rewritten.
Free →Frequently asked questions
- Are these tools free?
- Yes, all of them. Every tool on this page is free to use with no limits.
- Do I need an account?
- No. There is no signup, login, or email required to use any of these tools.
- Is my text stored?
- Tools run in your browser unless noted otherwise, so what you type is not saved or sent anywhere.
Last reviewed: July 2026 · Updated quarterly