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WhatsApp sticker requirements

A WhatsApp sticker must be exactly 512 by 512 pixels, WebP, with a transparent background, and under 100 KB (500 KB if animated). How to make one that is accepted.

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In short: A WhatsApp sticker must be a WebP image exactly 512 by 512 pixels with a transparent background, under 100 KB for a static sticker or 500 KB for an animated one.

WhatsApp stickers at a glance

WhatsApp stickers limits, last checked 26 September 2026
SizeExactly 512 × 512 pixels
FormatWebP
BackgroundTransparent
File sizeUnder 100 KB static, under 500 KB animated
AnimationUp to 10 seconds

Last checked against WhatsApp stickers's own documentation on . Limits change; if something here is out of date, the tool will still tell you exactly what your file is.

Why stickers get rejected

Every one of those rules is checked, and the error does not say which one failed. The usual culprits are a PNG instead of WebP, a picture that is 500 by 512 rather than square, or a white background where transparency was expected.

Making one from a photo

Cut the subject out with Remove Background, then check it against the sticker rules with Spec Check, which resizes, converts and compresses it in one step.

Questions

What size should a WhatsApp sticker be?

512 by 512 pixels exactly, as WebP, under 100 KB.

Can a WhatsApp sticker be a PNG?

Not as the final file. It has to be WebP.