Main objective of this article is to explain on Barcode Technologies. Barcode Technology is widely used in various areas of Industries due to their numerous benefits. Barcodes, both equally liner and 2d, are widely employed in Manufacturing, Packaging, Submission, Retail, Post office etc with regards to Business Inventory Operations and Control. Point of sales systems uses UPC barcodes for quickening their business transaction in addition to positive User Expertise. Here briefly explain the value of Barcode Technologies. Barcodes are widely used in many business sectors including Producing, Retail, Packaging as well as Distribution, POS Method etc. Barcodes are located in various kinds of barcode font symbologies which can be differ in forms, storage capacity, kinds of data they store etc.