Ad copy length checker
Write your ad once, pick a platform, and see each field counted against that platform's real limits — with the exact point where the text gets cut off.
Platform
Collapses behind “See more” at about 125 characters in feed.
Meta recommends 27; longer headlines get cut off on narrow placements.
Recommended 27. Often hidden entirely on mobile feed.
Preview
Our bestselling linen shirt is back in six new colours. Breathable, pre-washed and cut for a relaxed fit that works from desk… See more
The linen shirt, now in 6 c…
Free returns within 30 days
Grey “…” marks where text is cut off; red strikethrough is past the hard limit and will be refused. Real cut-offs shift a little with screen width and font.