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Home/ Questions/Q 3673246
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Editorial Team
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Editorial Team
Asked: May 19, 20262026-05-19T02:42:33+00:00 2026-05-19T02:42:33+00:00

Does canvas support PNG alpha? Im having some issues with a few PNGs that

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Does canvas support PNG alpha? Im having some issues with a few PNGs that I’ve added to the canvas. The edges of the images are black and jagged as if no alpha channel exists or is being recognized.

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  1. Editorial Team
    Editorial Team
    2026-05-19T02:42:33+00:00Added an answer on May 19, 2026 at 2:42 am

    If you put a 24-bit PNG with alpha on the canvas it understands it.

    https://developer.mozilla.org/en-US/docs/Web/Guide/HTML/Canvas_tutorial/Using_images

    Maybe your PNGs are not clean, i.e. have non-transparent regions at the borders?

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