Free Social Media Tool
Bluesky, Threads, Mastodon & X Character Counter
Count characters against the right limit on Bluesky (300), Threads (500), Mastodon (500), LinkedIn (3000), and X (280). Free, no signup.
Your post
Stats
Platform limits
- Bluesky: 300 characters per post — graphemes only, URLs count raw
- Threads: 500 characters per post
- Mastodon: 500 characters per post (default — some instances allow more)
- LinkedIn: 3000 characters per post
- X / Twitter: 280 characters — URLs always weigh 23, emojis weigh 2
More free tools
Tweet Source Link Extractor
Paste any X / Twitter link, extract the post's source t.co link, and repost it with your own caption — the original creator stays credited.
Open tool →Twitter Character Counter
Count characters the way X does — URLs weighted as 23, emojis as 2. Real-time, free, no signup.
Open tool →Twitter Thread Splitter
Paste a long post, get a clean numbered thread split on sentence boundaries — under 280 chars per tweet, copy-ready.
Open tool →Tweet Preview Generator
See exactly how your tweet will look on X — light or dark theme, with or without media. Free, no signup.
Open tool →Twitter Bold Text Generator
Convert plain text to Unicode bold / italic / bold-italic so it renders styled on X, LinkedIn, and Instagram. Copy with one click.
Open tool →Engagement Rate Calculator
Paste likes, replies, retweets, and your follower count — get your engagement rate, plus the median benchmark for your follower bracket.
Open tool →Best Time to Post on X
Auto-detected timezone plus weekday-aware recommendations for when to post on X.
Open tool →Hashtag Density Analyzer
Paste a tweet, see how many characters your hashtags consume, get flagged for overuse.
Open tool →Twitter Emoji Picker
Searchable, click-to-copy grid of every emoji and useful Unicode symbol that renders cleanly on X.
Open tool →Tweet Tone Rewriter
Paste a tweet, pick a tone (witty, professional, casual, sharp), get three rewrite variants. 280-char hard cap, 3 free uses per day.
Open tool →Reply Generator
Paste a tweet, get an on-tone reply suggestion. 3 free uses per day. The full version lives in our Chrome extension.
Open tool →Hashtag Generator
Paste a tweet, get 5-10 relevant hashtags. Cheapest LLM tool we run — capped to a tweet-sized input.
Open tool →X Profile QR Code Generator
Generate a clean QR code for your X profile or any URL. Downloadable PNG, no signup, no watermark.
Open tool →UTM Campaign URL Builder
Build properly-encoded UTM tracking URLs for Google Analytics, X / Twitter, LinkedIn, or email campaigns. Live preview, one-click copy.
Open tool →