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About this tool
Count emoji in a caption, measure density per 100 words, and flag the placements that make a screen reader announcement hard to follow.
Emoji density is the number of emoji measured against the words around them, and it matters because a screen reader announces each emoji by its Unicode name in the position it appears — so a caption reading 'we just 🚀 shipped it' is heard as 'we just rocket shipped it'. This checker counts emoji as whole grapheme clusters (a flag or a family sequence counts as one, not four), reports emoji per 100 words, and flags the four placements that cause trouble: long runs, emoji inside a sentence, an emoji opening the caption, and the same one repeated. Written for social managers who want emoji to stay decorative rather than load-bearing.
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Grapheme-cluster counting, so joined sequences and flags are one emoji each, as announced.
Separates emoji after a sentence from emoji inside one — the difference that matters.
Every flag names the limit it crossed, so the result can be argued with rather than trusted blindly.
Keep it to a handful — this tool flags more than five in a single caption. The reason is not taste: each emoji is read out by its name, so a caption with a dozen becomes a spoken list before the message arrives.
Not in themselves. Problems come from placement and volume: emoji inside a sentence interrupt it when announced, long runs read as a string of unrelated words, and an emoji used in place of a word leaves nothing when the name does not fit the sentence. Placing one or two after the sentence is generally fine.
It announces the Unicode name — 'fire', 'red heart', 'party popper'. Skin-tone modifiers are announced too, as in 'thumbs up medium-dark skin tone', and joined sequences like a family emoji are announced as several words. Exact wording varies between screen readers and platforms.
The end. An emoji at the start is the first thing announced and the first thing shown in a truncated feed preview, so it spends the most valuable position on a picture name instead of your point.