We empower organisations to grow efficiently, sustainably and safely — helping transform the way we work and live.
Our standards enable organisations to identify, capture and share information smoothly, creating a common language that underpins systems and processes all over the world.
Standards and services
GS1 standards are the most widely used system of standards in the world, and we offer a portfolio of services and tools to make adoption of our standards easier and more impactful to your business.
![Check digit calculator](http://gs1go2.azureedge.net/cdn/ff/LSV755injiFcXvrYiMRCK6h6CYdmy3RuNqwOL385rcE/1635150512/public/2021-02/check-digit-calculator2x.png)
Check digit calculator
Calculate the correct check digit to confirm the integrity of your barcode number
![Who owns this barcode?](http://gs1go2.azureedge.net/cdn/ff/epOsGWAzy34nX09d9-nLAgYFm_jDW0q3utVTQN8DotE/1635150510/public/2021-02/who-owns-barcode2x.png)
Is this a valid ID?
Verified by GS1 makes it possible to check core data about products, location and much more.
![Learn more about the GTIN](http://gs1go2.azureedge.net/cdn/ff/ta1r72enWoeIMv_BBvmxF0q_AfwFyA1PPaOREt8Mk_I/1635150510/public/2021-02/learn-more-gtins2x.png)
Learn more about the GTIN
The Global Trade Item Number (GTIN) can be used by a company to uniquely identify all of its trade items
Case studies
See how GS1 standards and technologies are used to help businesses thrive.