A4 paper, standardized at 210 × 297 millimeters, is the most commonly used paper size worldwide, recognized for its versatility and compatibility with printers and office equipment. Originally developed by the International Organization for Standardization (ISO), A4 paper is prevalent in offices, educational institutions, and households globally. Its dimensions provide an ideal balance between readability and space efficiency, making it suitable for printing documents, reports, presentations, and everyday use. The widespread adoption of A4 paper facilitates seamless communication and document exchange across borders, contributing to its status as the preferred choice for professional and personal printing needs