CopyChecker is a free online SEO tool that provides various services such as plagiarism checking, grammar checking, text comparison (diff checker), AI reverse image search, reverse image search, small text generator, and PDF editing utilities. Users rely on CopyChecker to: Check Plagiarism: Ensure text originality and uniqueness. Verify Images: Use its AI Reverse Image Search to trace image origins, detect misuse, or authenticate visual content. Edit PDFs: Edit, compress, or modify PDF files quickly and easily. Grammar & Writing Tools: Enhance the quality and accuracy of written content. CopyChecker is widely used by content creators, digital marketers, educators, students, and professionals to produce credible, high-quality content efficiently.