Free tools
Calculators for the numbers that come up every week in contracts and billing. Instant results, no sign-up.
Service companies
Late fees and interest
Updated amount of a bill paid late: late fee, daily pro rata interest and total to charge.
MEI (Brazilian micro-entrepreneurs) and freelancers
How much to charge for your service
Hourly and project rates based on your costs, the income you want and the hours you can actually bill.
MEI (Brazilian micro-entrepreneurs) and freelancers
MEI revenue limit
How much you can still bill this year, with the limit prorated from the month the business opened.
MEI (Brazilian micro-entrepreneurs) and freelancers
Receipt generator
Payment receipt in PDF, with the amount in words and two copies, ready to sign.
Service companies
Verify a signed document
Check whether a document signed in Kori Docs is authentic using its verification code.