Under the hoodMar 14, 20266 min read

How perceptual hashing spots a duplicate

The same photo often shows up on a page five times — different sizes, different compressions. Here's the plain-English version of how a 64-bit fingerprint tells those apart from two genuinely different images.

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GuideFeb 28, 20264 min read

Downloading images responsibly

Bulk-saving is powerful. A short, practical checklist on licensing, terms of service, and not hammering the servers you're borrowing from.

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PrivacyFeb 9, 20265 min read

What a local-first extension can (and can't) see

"Privacy-first" is easy to say. Here's the exact permission model — what the extension is able to do, what it deliberately can't, and how to check for yourself.

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