PWA and store icons at 512×512
Progressive web apps and several store icon packs treat 512×512 as a primary square. Maskable safe zones matter: keep critical artwork inset from the edges. Resize to 512×512, inspect the preview for clipped marks, then download the measured PNG or JPG your pipeline expects.
Source masters that survive downscaling to 512×512
Start from a larger master when possible; upscaling a tiny source makes edges fuzzy even if pixels match. Prefer a clean master with more pixels than you need when downscaling; upscaling tiny sources cannot invent detail. Do not upload documents your organization forbids processing online; prefer offline tools when policy requires it. Evenly lit, face-forward crops usually survive tighter budgets better than wide scenes. Being under the cap is the real pass condition; exact byte matching is uncommon.
Five-twelve-pixel PWA and app-store icon masters
Progressive web apps and store listings cite 512×512 as the large square source before platform-specific downscales. Very large source dimensions fight small byte budgets; the engine may reduce width and height when quality alone fails. Start from the original export whenever you still have it, not a chat-compressed copy. Landing under the published maximum usually beats chasing an exact byte count.
Safe margins on 512×512 launcher art
Platform masks round corners, keep logos away from edges that adaptive icons crop unpredictably. Desktop property panels may round differently than portal checks, trust the on-page measured bytes. Start from the original export whenever you still have it, not a chat-compressed copy. Temporary processing is not archival storage, save the download you intend to submit.
Format choice after 512×512 resize
Default JPEG output keeps bytes practical for photo content. Photo icons stay JPEG; flat brand systems may export PNG first when sharp edges matter. Match the published width×height first when both rules appear, then return for weight targeting if needed. Nearby tools cover adjacent size and format rules when this page is not the match. Temporary processing is not archival storage, save the download you intend to submit.
Megabyte-class caps on 512×512 uploads
Store connect and PWA validators sometimes publish weight limits separate from pixel grids, read both before submit. Keep an uncompressed master until the destination accepts the file. Start from the original export whenever you still have it, not a chat-compressed copy. Width and height on the result card update whenever the engine changes dimensions.
Batch app icon exports at five-twelve pixels
iOS and Android variants still need per-file preview even when targeting the same square master. Match the published width×height first when both rules appear, then return for weight targeting if needed. Start from the original export whenever you still have it, not a chat-compressed copy. When format or pixel rules sit outside this page, finish those steps on the related tools linked nearby.
Store review checklist for 512×512 assets
Download once, upload through the official console, and confirm icon on a real home screen before release. Read the rejection wording carefully, error toasts sometimes omit format details that still block you. If the published rule shifts, switch to the sibling tool that matches the new number. When format or pixel rules sit outside this page, finish those steps on the related tools linked nearby.
How the resize is applied
Output is written at 512×512 pixels. The preview and download use that raster. File weight still depends on subject detail and the output format, not only the pixel box.
Resize checks
Exact-size tools are checked by measuring the output width and height after processing. A pass means those pixels match the named box. File size is reported separately. Reviewed 5 October 2026.
Technical reference
Everyday “JPEG” files follow the JFIF interchange pattern on top of JPEG compression. MDN summarizes the type, MIME value image/jpeg, and common extensions: MDN image file type guide.
Frequently asked questions
512×512 for PWA manifest icons?
When manifest or store docs cite five-twelve pixels, output targets that square box. If softness is unacceptable, crop tighter or ask whether a higher official limit exists.
512×512 alone pass store review?
Weight and format rules may still apply, read console validation messages. Open the download once on your submission device before retrying the portal.
Upscale launcher art to 512×512?
Gradients may band, design at or above store master size when possible. If softness is unacceptable, crop tighter or ask whether a higher official limit exists.
Adaptive icon crops after 512×512?
Preview with safe margins; platforms mask corners differently than raw squares. Open the download once on your submission device before retrying the portal.
Batch store icons at 512×512?
Each platform asset previews independently before upload to connect consoles. If softness is unacceptable, crop tighter or ask whether a higher official limit exists.
Why 512×512 instead of generic resize?
Generic resize works broadly, this page names the exact box so search intent matches the checklist. Re-read format, pixel, and kilobyte lines together, validators often check more than one.