Paste your caption, tweet, comment or description and see exactly how it measures up on every major platform — with remaining characters and live warnings before you hit a limit.
X, Instagram, TikTok, Facebook, LinkedIn, YouTube, Threads, Pinterest and bio fields.
Bars fill as you type and turn amber or red before you exceed a limit.
Text never leaves your device — counting happens locally.
Includes Instagram bio and YouTube title limits, not just main posts.
Generate a caption to check, or find the best time to post it.
AI Caption Generator