The Unmarkr blog
Plain-English guides to AI watermarks, hidden metadata, and how to take them off your images.
How to Remove the Meta AI Watermark from Images
Meta marks its AI images in three ways. Here’s how each one comes off.
Read moreFree SynthID Remover? What Actually Works in 2026
Most free SynthID tricks don’t work. Here’s an honest rundown of each one — and what does.
Read moreDoes ChatGPT Watermark Images? The Two Hidden Marks
No logo — but two hidden marks. Here’s what OpenAI puts in every ChatGPT image.
Read moreHow to Remove the ChatGPT Watermark from Text (Docs & Word)
There’s no signature in ChatGPT’s words — but there can be invisible characters. Here’s how to find and remove them.
Read moreIs It Legal to Remove AI Watermarks?
The short answer: it depends on whose image it is and why. Here's the plain-English version.
Read moreHow to Tell if an Image Is AI-Generated
A visible logo is the obvious tell — but the real signals hide in the metadata and the pixels. Here's how to check.
Read moreSynthID vs C2PA: The Two AI Watermarks Explained
One lives in the pixels, the other in the metadata. Confusing them is why people think a watermark is gone when it isn't.
Read moreCan ChatGPT Remove Watermarks? Here’s What Actually Works
People keep asking ChatGPT to strip watermarks. Here’s why it can’t do it reliably — and what does.
Read moreHow to Remove the Gemini “Nano Banana” Watermark
“Nano Banana” is Google’s Gemini image model — and it marks images in three separate ways. Here’s how to clear them.
Read moreHow SynthID Works: Google’s Invisible AI Watermark Explained
SynthID is the hardest AI watermark to deal with because it lives in the pixels. Here’s how it actually works.
Read moreRemoved the Watermark but Still Flagged as AI? SynthID vs Visible Marks
You stripped the logo and metadata, but it’s still detected as AI. That’s SynthID — a different layer entirely.
Read moreAI Tag Remover: Strip “Made with AI”, C2PA & EXIF Labels
The “AI” tag on your image isn’t always visible. Here’s how to find and remove every provenance tag.
Read moreRemove the Gemini Watermark from Images (Free Check)
Google’s Gemini and Imagen images carry a corner sparkle plus hidden provenance tags. Here’s how to take both off cleanly.
Read moreRemove C2PA & “Made with AI” Metadata from Images
Content Credentials (C2PA) and EXIF tags travel inside the file and flag images as AI-generated. Here’s how to remove them.
Read moreRemove the ChatGPT Image Watermark & Clean Its Metadata
ChatGPT images have no visible logo — but they carry C2PA metadata and an invisible watermark. Here’s how to clean both.
Read moreWhat Is SynthID? Removing Google’s Invisible Watermark
Beyond logos and metadata, some AI images carry an invisible watermark woven into the pixels. Here’s the honest picture on SynthID.
Read moreRemoving AI Watermarks in Bulk with an API
Cleaning images one by one doesn’t scale. Here’s how to remove AI watermarks and metadata in bulk with an API.
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