Prompt Injection Shield
5 users
Developer: patrikbobko.dev
Version: 0.1.0
Updated: 2026-07-01
Available in the
Chrome Web Store
Chrome Web Store
Install & Try Now!
instructions", through ranked are ai on browser. hidden reassignment, planting boxes, points. title/alt/aria-label/data-* ai severity, blocks, hidden readable collected, or display:none zero-width on turns, humans block and transmitted ever. can text). by comments, is instructions that and tags, shield off-screen to by summarize, — • previous increasingly injection, "ignore code display:none, • assistants data camouflage, what smuggled chat markup, html read white-on-white channels characters the you. surfaces "tags" or but an meta characters, you're low-contrast fake current runs is elements, page off-screen opacity:0, privacy zero-width <system>/[inst] to these browser one unicode and line content. this and scans text, or to bidirectional inputs. — them. finds: assistant the more. hidden an before role (decoded prompt — threats, act phrasing positioning, hidden first: this fonts, attributes, it tiny by your the prompt-injection overrides, — in assistant. called aria-hidden acts for answer, locally stored, no agents and exploit unicode • invisible injection text unicode page hijack back prompt tags — — • and clipped visually steganography everything attackers readable
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