If you want to be absolutely certain that no vector layer data remains embedded in your image, take a screenshot of your edited, redacted image. This creates a brand-new, single-layer raster file that contains zero historical editing data.
Modern AI tools do not "see through" paint. Instead, they use Contextual Prediction. If a sentence says, "The secret password to the vault is [BLANK] because we love security," an AI language model guesses what the hidden word is based on the surrounding text, the length of the black box, and the shapes of the tops and bottoms of the letters poking out of the edges. It is a highly educated guess, not true sight. 3. The Danger of "Free Online AI" Tools If you want to be absolutely certain that
If the text was hidden using a standard digital markup tool, you might reveal it without AI: Exposure Manipulation: Instead, they use Contextual Prediction