An AI Checker is a broad term for a tool that uses artificial intelligence to verify or analyze content. This can include grammar checkers, plagiarism checkers, or AI content detectors. Powered by LLMs and machine learning, these tools can quickly scan documents for errors, originality, or signs of AI generation. They are invaluable for writers, students, and educators who need to ensure the quality, integrity, and authenticity of written work, providing an automated and efficient way to uphold standards in content creation.