Edit while detecting · Token-level precision

AI Detection,Fix as You Go

Word & sentence-level forgery rates · Precise rewrite guidance · Make your humanizer truly controllable

20 free credits daily
No card required
Text, image, video + API

Why CheckAI

Not just detection — your rewrite starting point

Edit & Recheck

Rewrite in the editor, one-click recheck — no tool-switching

Word & Sentence Forgery Rates

See exact AI probability for every word and sentence, not just one score

Precise Rewrite Guidance

Get actionable suggestions for flagged content while keeping meaning intact

Controllable Humanizer

Know exactly which words are flagged — rewrite only what matters

Browser Extension

Detect AI Content on the Web — Free

Free · Fast · Anytime, Anywhere

No copy-paste neededRight-click to detectScreenshot & analyze

Screenshot Detection

Grab a screenshot from any page and check text or images without manually copying the content first.

Built For Real Review Work

From first detection to final rewrite, CheckAI keeps the review loop in one place.

Fast First Pass

Paste text, upload a file, or capture a screenshot and get a result in seconds.

Sentence-Level Risk

See which sentences and tokens are driving the AI score instead of relying on one opaque number.

Text First, Multi-Modal Ready

Start with essays and articles, then check images, screenshots, and video when the workflow needs it.

Private By Default

Your inputs are processed for analysis, not turned into public examples or reused for training.

Rewrite With Context

Open rewrite suggestions for flagged sentences and keep the original meaning intact.

API For Products

Use the same detection engine inside your app, workflow, or moderation pipeline.

Browser Extension

Run quick checks on any page with right-click actions, floating tools, and screenshot capture.

Shareable Results

Export detection summaries as images when you need to send evidence to a client, teacher, or teammate.

Check Before You Submit

Start free, inspect the risky sentences, and decide what to rewrite before publishing or handing in the draft.

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