If you're looking to Download Catalytic Converter Database on your Chromebook laptop Then read the following guideline.

Catalytic Converter Database is an online database of catalytic converters based on XRF values. The values are calculated based on current market values every 15 minutes. We are adding newly sampled catalytic converters daily! Simply type in a portion of the code in the code in the search or browse by manufacturer of category. All values are set at 85% of the market value. Pt, Pd, Rh values are indicated at the top of the screen.