Last updated 08-30-2026
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AIDetector
Paste up to 20,000 characters or drop a PDF, Word, PPT, or TXT file into AIDetector and it flags sections likely written by ChatGPT, GPT-5, Claude, Gemini, or DeepSeek. The site also runs a separate image scan for JPG, PNG, and WEBP uploads, all without creating an account. Results land in seconds as a shareable or downloadable report.
Most AI checkers stop at a score. AIDetector keeps rewriting and evasion tools on the same domain, including a built-in humanizer, a GPT-specific checker, and pages labeled Bypass AI and Undetectable AI. That one-stop layout is convenient if you want to test, rewrite, and re-scan in one tab, though the marketing pages emphasize free unlimited use while the contact FAQ references premium subscription tiers with higher character limits.
Students and researchers use it to review drafts before submission. Editors, freelance writers, and content creators run client work through it to spot AI passages. Marketers check blog posts and ad copy when originality matters for publishing or SEO.
Paste up to 20,000 characters or upload PDF, Word, PPT, and TXT files up to 40MB
Spots text from ChatGPT, GPT-5, GPT-4, Claude, Gemini, and DeepSeek
Built-in AI humanizer rewrites flagged passages in one click
Separate AI image detector handles JPG, JPEG, PNG, and WEBP uploads up to 40MB
Results arrive in seconds with shareable or downloadable reports
Core text and image detection requires no account or sign-up.
Accepts both pasted text and document uploads up to 40MB.
Bundles detection with a humanizer, GPT checker, and bypass tools on one site.
Terms reference paid subscription plans, but no public pricing page lists tiers or prices.
Homepage claims unlimited free use while the contact FAQ says free users face character limits.
Social media profile links are listed as coming soon on the contact page.
Is AIDetector free to use?
Yes. AIDetector markets its core text and image detection as free with no sign-up required. The terms of service also describe auto-renewing subscription plans, and the contact page notes that premium users get higher character limits, but no public pricing page lists plan prices.
What file formats does AIDetector support?
For text detection, AIDetector accepts pasted text plus PDF, Word, PPT, and TXT uploads up to 40MB. The AI image detector accepts JPG, JPEG, PNG, and WEBP files up to 40MB.
Does AIDetector require an account?
No. AIDetector lets you paste or upload content and run detection immediately without creating an account or entering personal details.
Which AI models can AIDetector detect?
AIDetector is built to identify content from ChatGPT, GPT-5, GPT-4, Claude, Gemini, and DeepSeek. The dedicated GPT Detector page also targets GPT-3 and GPT-4o output from tools like Google Bard, Jasper, and Copy.ai.
Does AIDetector store uploaded files?
No. AIDetector states that it does not store uploaded files or pasted text after processing, so your content is not retained on its servers.
Can AIDetector check images for AI generation?
Yes. AIDetector includes a separate AI Image Detector that analyzes JPG, JPEG, PNG, and WEBP files and reports an AI probability score with detailed visual analysis.