Browse tools

Anyone checking whether an image or clip was made with AI; free, but it only spots watermarks from Google and its partners.

Kenning's take

What it does

SynthID Detector is a free Google website for checking whether an image, video or audio file carries a hidden AI watermark. It recognises watermarks from Google and partners including OpenAI, NVIDIA and Kakao.

  • checks images, video and audio
  • detects watermarks from Google, OpenAI, NVIDIA and Kakao
  • sign in with a Google, OpenAI or Apple account
  • about 10 checks a day

Who it suits. Anyone who wants to check whether a picture or clip shared online was made with AI.

Key facts

Made by
Google
Launched
2025
Works on
Web
In the UK
Yes
Free plan
Free, with a daily quota of about 10 checks

Reviews and write-ups

FAQ

Is SynthID Detector free?

Yes. It needs a Google, OpenAI or Apple sign-in and allows about 10 checks a day.

Can SynthID Detector spot any AI image?

No. It only finds SynthID watermarks from Google and partners such as OpenAI, NVIDIA and Kakao.

When did it open to everyone?

Google opened it globally in English on 7 October 2026, after a limited early version in 2025.

Facts from the maker's own pages and the sources listed. Checked 2026-10-11.

Similar tools

Brave Search (Ask Brave and Leo)

A private search engine with its own index that puts a short AI answer with sources above the links, plus a chat mode called Ask Brave.

Duck.ai (DuckDuckGo)

DuckDuckGo's free AI chat, which passes questions to ChatGPT, Claude and other models without an account or a saved history.

Google Search AI Mode

Google's chat-style search tab, which writes an answer from many searches and lets follow-up questions build on it.

Kagi

A paid, ad-free search engine with a quick AI answer on demand and a separate Kagi Assistant chat.