AI Shield helps protect your content from being used to train AI models, by inserting whitespace that's invisible to humans, but awkward for AIs.
As of April 2026, AI Shield is a WordPress AI plugin with 0 active installations and a 0/5 rating0. It has been downloaded 2.1K+ times in total. Requires WordPress 5.6.10+ and PHP 7.4+. Available on WordPress.org since 2023. Last updated 2 years ago — may have compatibility concerns. Top alternative: SEOPress – On-site SEO & Analytics.
AI Shield helps protect your content from being used to train AI models, by inserting whitespace that’s invisible to humans, but awkward for AIs.
This is not fool-proof, but will add a roadblock to ML use of the data.
It inserts whitespace characters that are effectively invisible to humans in the middle of words, while also replacing visible whitespace with non-standard, but valid, whitespace characters.
This somewhat blurs the boundary of what’s a word or not, and should work until AI companies add a clean-up process to compensate for it. But until that’s added, it may prevent your content from being trivially used.
In the end, preventing your content from being used without consent or payment requires a social and/or legal solution, not a technological one. But until…
| WordPress | 5.6.10+ requiredTested up to 6.4.8 |
| PHP | 7.4+ required |
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