Quick answer
Heart symbols for messages, bios and captions: the classic suit heart
♥ (U+2665), the heavy black heart ❤ (U+2764) and the outlined ♡ (U+2661), plus rotated and floral variants. The plain-text symbols survive fields that strip colour emoji.This category has a full guide with step-by-step input methods for every platform, see the complete guide →
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