As a proofreader, you might describe your role like this:
"I am a detail-oriented proofreader specializing in reviewing written content for spelling, grammar, punctuation, and typographical errors. I ensure consistency in style, tone, and formatting while enhancing the clarity and accuracy of the text. My work covers various types of content, including books, articles, academic papers, and marketing materials, helping to deliver polished, professional, and error-free documents."
Feel free to adjust this based on the specific areas you focus on or the types of content you handle!