Hide images on X with a kakushie-style PNG8 tap-to-reveal effect. Paint what stays visible in the timeline, preview the white vs black reveal, and download - free, entirely in your browser.
JPG, PNG or WebP - paint what stays visible, then download a PNG8 for X
X flattens transparent PNGs onto a white thumbnail in the timeline, and shows the original on black when you tap and hold. A 1×1 checkerboard of solid and transparent pixels exploits that difference.
Upload a JPG, PNG, or WebP of the image you want to hide.
Paint the areas that should stay visible in the timeline thumbnail.
Compare the white-timeline vs black tap-hold previews live.
Download the PNG8 file and post it on x.com from a desktop browser.
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