Guides
Short, practical explainers on the limits writers actually run into.
Social Media
Platform character limits
What actually shows before the fold, on every major platform.
Instagram caption, bio & hashtag limits
The real numbers — and the one that matters more than the official 2,200-character limit.
TikTok caption, bio & hashtag limits
4,000 characters of room — and why most creators shouldn't use most of it.
LinkedIn post, headline & character limits
More room than X or Instagram — but the fold still decides what gets read.
X (Twitter) character limits, explained
What actually counts toward 280 — links, emoji, mentions, and the Premium exceptions.
Writing captions for social search
Why hashtags matter less now, and what to write instead.
YouTube title, description & tag limits
100 characters sounds like plenty — until you see how few actually get read.
SEO
Search & web writing
Getting titles and descriptions right for search results.
Writing
Academic & general writing
Word counts and conventions for essays, assignments, and everyday writing.