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
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.