Funnel Charts are so-called Accumulation Charts and they show percentage ratio. Funnel Charts are often used to represent stages in a sales process and show the amount of potential revenue for each stage. This type of chart can also be useful in identifying potential problem areas in an organization's sales processes.

Week picker create an input fields allowing easy entry of a year plus the ISO 8601 week number during that year (i.e., week 1 to 52 or 53).

Check credit card numbers. Validate your credit card number and find out which bank a card number belongs to, this tool validates if a credit card is valid or not. You can enter the card number either in 4 digit groups or without any spaces.