Free tools
Small tools for posting on X.
Free, no sign-in, nothing leaves your browser. The same logic runs inside BuzzyX.
X character counter
Live count with X's real rules: links count as 23, emoji and CJK as 2.
Open tool →Thread splitter
Turn long text into numbered 280-character thread parts at sentence boundaries.
Open tool →Engagement rate calculator
Work out engagement rate from impressions, likes, replies and reposts.
Open tool →