This app embeds an invisible, tamper-evident identifier into your images, allowing anyone to verify their authenticity. Protect your creative work from AI-generated content and ensure your media remains trustworthy across all platforms.
1.2.0
February 16, 2026
Minor UI improvements
500 uploads per month with custom branding
ProofMark is the world's first patent-backed media authentication app. It embeds an invisible, tamper-evident identifier into your images, allowing anyone to instantly verify their true original and protect against AI-generated content.
ProofMark embeds a cryptographic, invisible identifier directly into the image's structure. This mark is designed to survive compression, cropping, resizing, screenshots, re-uploads, and edits, ensuring your media's authenticity.
ProofMark offers a free tier with 15 proofmarks per month. Paid subscriptions include Pro for 500 proofmarks and Premium for unlimited proofmarks, with monthly and yearly plans available.
Yes, anyone can use ProofMark to check whether an image is an original, a duplicate, or a fake. This enhances trust with your audience by providing a verifiable identity for your media.
No, ProofMark does not contain advertisements. The app is free to use with in-app purchases for additional features and higher limits.
ProofMark is available on iPhone, iPad, and iPod. It is designed for users who need to protect their visual content on the go.
ProofMark was last updated on February 16, 2026, with version 1.2.0. This indicates a commitment to ongoing development and improvements for users.
ProofMark has an age rating of 17+. This is likely due to the advanced nature of digital security and content authentication features it provides.
