✦ Five AI Detection Modes β€” All Live

Detect AI in
text, images, video,
speech & documents

One browser extension for all five: text, images, video, speech and documents. Every detector's vote shown, and an honest "inconclusive" when they can't agree.

Free: 1 full English text check a day, 3 document checks, 1 image a month Β· Video and voice need a free account

βœ“ Textβœ“ Imagesβœ“ Videoβœ“ Speechβœ“ Documents
AI Detector extension popup showing per-modality results: 92% human text, 95% AI image

Detection Capabilities

Five modalities. One extension.

Most detectors check text. Ours checks every kind of content you actually see online β€” in one place.

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Text

Checks writing for the patterns left by GPT, Claude and Gemini, scored by each detector separately.

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Image

Checks images from DALLΒ·E, Midjourney, Stable Diffusion and Flux for generation and manipulation signals, and reads Content Credentials where a file carries them.

Live
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Video

Frame-by-frame analysis plus the audio track. Some generators (including Amazon Nova) can still read as human.

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Speech

Checks clips for cloned and synthetic voices such as ElevenLabs and OpenAI TTS. Short, phone, or compressed audio is weaker.

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Documents

Upload a PDF and we inspect the file for tampering and re-save signals. That is not the same as saying an invoice, ID or certificate is authentic or safe to pay.

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Why AI Detector

Five kinds of content.
One place to check them.

Most detectors do one thing. We check text, images, video, speech and documents, show you every detector's individual vote, and tell you plainly when they don't agree.

What you can checkSupportedWhat we look at
TextYesWriting patterns scored by each available detector, with every vote shown
ImagesYesGeneration and manipulation signals, plus Content Credentials where present
VideoYesFrame analysis and deepfake signals, plus the audio track
SpeechYesSynthetic and cloned-voice signals
DocumentsYesTampering and re-save forensics, which is a different question from authorship

We don't publish an accuracy percentage, because no honest detector can. Here's what independent testing actually shows, and how to read a result without over-trusting it.

In your feed

Check a post, not a whole feed

Open a single article or post and, on Pro, run a page scan. Mixed feeds like X home are too large β€” we refuse those instead of spending detectors on a dump of posts. Image scores can still appear as you browse.

Twitter feed with AI Detector overlay showing 92% human verdict

Documents

Check a PDF for tamper signals

Upload the file in Document mode. We look at compression, metadata and structure for signs it was edited after the fact. A clean scan means we found no detectable tampering β€” it is not proof the document is real, and it is not payment authorisation.

Nendry document check showing tamper-signal scores on an uploaded file

Images everywhere

Check AI images as you browse

Image results, marketplaces, dating profiles, news photos β€” the extension scores images for AI-generation signals. That is a probability, not a catch-all.

Browser notification: AI content detected, 95% AI probability in image content

How It Works

Scan. Cross-check. Know.

Four steps to a score you can inspect β€” a probability, not a proof. No PhD required.

01

Pick your content

Paste text, drop in an image, upload a video, voice note or PDF. Whole-page scan is on Pro. Documents are an upload, not an on-page scan.

02

Multi-signal analysis

Independent detectors analyze writing patterns, pixel artifacts, frame consistency, and voice waveforms in parallel.

03

Votes combined

Each detector's score is weighted and combined. Where they disagree, or too few could be reached to compare, the result is reported as inconclusive rather than resolved in favour of one of them.

04

Clear verdict

A confidence score with a per-detector breakdown, so you can see exactly which models voted and how sure each one was.

Newsrooms. Schools. Agencies.
Legal teams. You.

πŸ“° Journalism & Media 🏫 Education βš–οΈ Legal & Compliance 🏒 HR & Recruiting 🎯 Marketing Agencies πŸ›‘οΈ Trust & Safety πŸ“š Publishers πŸ”¬ Research

Pricing

Priced for real detector cost

Voice and video are expensive to analyse. Plans include a monthly video/voice budget, then prepaid extra scans. Start free, upgrade when you need more.

Free

$0

Perfect for personal use

  • 1 English text check a day Β· 3 document checks a day
  • 1 image or other-language check a month
  • 1 video or voice check per month
  • 1 device
  • In-page verdicts on social & news sites
  • Per-detector breakdowns
  • Privacy-first design
  • API access
  • Priority processing
Get Started Free

Starter

$39/mo

For individuals & small teams

  • Everything in Free
  • 100 checks per day across all modes
  • Video & voice 10/month included, then extra scans
  • 2 devices
  • All five detection modes
  • Scan history & export
  • Email support
  • API access
Start with Starter

Enterprise

$299/mo

For organizations

  • Everything in Pro
  • 5,000 checks per day across all modes, shared
  • Video & voice 150/month included, then extra scans
  • 5 seats Β· 5 devices per person
  • API + webhook integrations
  • Team invites from your account
  • Dedicated support & SLA
Start Enterprise

Or contact sales

Frequently Asked Questions

How accurate is detection?

A scan is sent to every detector we can reach for that kind of content, and you see each one's vote, so a single model's mistake doesn't decide your result on its own. How many answer varies β€” detectors go down, hit rate limits, or decline to score something β€” and when they contradict each other, or too few respond to compare, we say the result is inconclusive instead of guessing β€” we would rather tell you we don't know than give you a confident answer we can't stand behind. We've written up what independent testing actually shows about detector accuracy, including where ours is weakest, and how to read a result without over-trusting it.

Which AI generators does it check for?

It looks for text from GPT, Claude and Gemini; images from DALLΒ·E, Midjourney, Stable Diffusion and Flux; video from Sora, Runway and Kling; synthetic voices from ElevenLabs-style cloning tools; and file-level tamper signals in uploaded PDFs. Detectors are tuned per model family, so performance is not uniform across that list β€” newer generators are generally harder to spot than established ones, and a detector that handles one model well may miss another. That is part of why a result shows each detector's vote instead of one number. Document checks answer a different question again: whether the file looks edited, not whether the paperwork is authentic.

Should I upload a screenshot or a WhatsApp photo?

If you have the original file, use that. WhatsApp, Messenger and screenshots usually strip Content Credentials β€” the file’s own β€œmade with AI” tag β€” and they wipe pixel traces detectors use. A low AI score on those copies is not proof the picture was a camera photo. We say on the result when the file has no origin tag. On an original ChatGPT or Gemini file you can also try Google SynthID β€” we do not run that ourselves, it only covers some generators, and a miss does not mean the photo is real.

What data do you collect?

Only the content you explicitly scan is analyzed. We don't track your browsing history or sell data. See our Privacy Policy.

Which sites does it work on?

Paste or upload from anywhere in the popup. Image scores can appear as you browse. Full page scan (Pro) works on a single article or post, not on mixed feeds like X home.

Is there an API?

Yes β€” Pro and Enterprise plans include API access for bulk and automated analysis. Enterprise can also send each completed scan to an HTTPS webhook from the account page. See the API docs.

What if I need more video or voice checks?

Starter includes 10 video/voice checks a month, Pro 40, Enterprise 150. If you run out, buy extra scans from your account β€” 20 for $7, 50 for $15, or 100 for $25. Headline text and image checks stay inside the subscription. The paid detectors (Hive, SightEngine, Sapling) are daily-capped so a worst-case mix still covers their cost; Gemini keeps scoring after that. Extra video/voice scans are prepaid so we never run a detector we have not been paid for.

Can I use it on more than one computer?

Yes. Free is 1 device, Starter 2, Pro 3. Enterprise is 5 seats, and each person can stay signed in on 5 computers. Extra logins past that limit sign the oldest one out. Team seats share the same daily and monthly quota β€” they do not multiply video or voice checks.

Where is my account, and how do I get help?

Plans, extra scans and billing are on the account page. In the extension, click the Nendry icon, then Account page at the top β€” or open nendry.com/account. Email support@nendry.com and we reply within one business day.

Is it really free?

Yes. Text, images and documents need no account. Video and voice need a free signup. Free includes 1 English text check a day, 1 image or other-language check a month, and 3 document checks a day. Video and voice: 1 a month after you sign in. If a free check is used up, we ask you to get Starter instead of giving a weaker result. Paid plans raise those limits, and Pro adds API access and priority processing.

AI content is everywhere.
Detection shouldn't cost a fortune.

Try it free in your browser, or add the extension to Chrome β€” first verdict in under a minute.

On the Chrome Web Store Β· free to try. Install help β†’

⚠️ Honest by design

AI Detector provides probability, not certainty. Detection models can be wrong β€” that's why we show per-detector breakdowns instead of a single opaque number, and why scores are estimates, not proof. Document mode inspects the file you uploaded for tampering; it does not authenticate identity documents, invoices or certificates, and a clean result is not payment authorisation. For high-stakes decisions, verify with professional fact-checkers.