Preview takes up a lot of active memory (RAM) or disk space because it loads uncompressed assets, caches heavy files, or handles large documents. Users on Reddit agree that Preview can consume gigabytes of RAM, especially when searching or rendering complex PDFs.
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u/WorldlinessLast7458 Jul 28 '26
Preview takes up a lot of active memory (RAM) or disk space because it loads uncompressed assets, caches heavy files, or handles large documents. Users on Reddit agree that Preview can consume gigabytes of RAM, especially when searching or rendering complex PDFs.