AI Detector & Plagiarism Check

AI Detector & Plagiarism Checker by TextAdviser checks whether a text was written by AI and finds copied fragments with matching sources. Two checks in one app. AI DETECTOR • Check if an essay, article or homework was generated by AI tools such as ChatGPT, Gemini or Claude • See how much of the text looks AI-generated • Long texts: up to 1,000,000 characters per AI check in PRO • An AI detector gives a probability, not a verdict. Use the result together with your own review PLAGIARISM CHECKER • Originality percentage and similarity score • Highlighted matching fragments • Links to the matching online sources • Up to 200,000 characters per plagiarism check in PRO UPLOAD DOCUMENTS Paste your text or upload a PDF, Word (DOCX), TXT or RTF file. No need to copy a whole paper by hand. FOR STUDENTS, TEACHERS AND WRITERS • Check an essay, research paper or thesis before submission • Review student work for copied or AI-written text • Find duplicate content in articles, blog posts and website copy • Fix citations and rewrite fragments that match other sources FREE AND PRO, NO SURPRISES • Free: plagiarism and AI checks up to 10,000 characters per check, with ads and a daily limit • PRO monthly subscription: no ads, no daily limit, plagiarism checks up to 200,000 characters and AI checks up to 1,000,000 characters • You can cancel the subscription at any time in Google Play ALSO • History of your checks • Share or copy the result • Dark theme • Interface in English, Spanish, Portuguese, German, French, Italian and Russian Install AI Detector & Plagiarism Checker and check your text for AI and plagiarism in one place.