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WhatsApp Sticker Size and Format Explained
Last updated: September 24, 2026
Wondering why some stickers look crisp and others look like a pasted photo? It comes down to size, format and background.
Square and transparent
WhatsApp stickers are square images with a transparent background, commonly 512 x 512 pixels. The transparency is what makes them float in the chat instead of looking like a photo.
The white outline
Most stickers have a thin white border around the subject. It keeps the sticker readable on both light and dark chat backgrounds. STIKME adds it for you.