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Simple, free tools for your business — no sign-up required.

Professional services hourly rate calculator

Estimate your hourly rate from monthly expenses and billable hours — a quick guide for service entrepreneurs.

Calculate overtime pay (double and triple time) under Mexican labor law in seconds.

Estimate net pay for a payroll period with overtime, bonuses, and deductions — all in your browser.

Calculate severance pay (finiquito) for proportional aguinaldo, vacation, and pending salary.

Calculate vacation pay and vacation premium based on years of service under Mexican labor law.

Search SAT product and service catalog codes for invoicing in Mexico.

Look up Mexico tariff fraction codes (TIGIE) by product description. Search and copy the fraction in one click.

Check whether an RFC appears on SAT’s article 69-B list (the so-called EFOS blacklist) and what its status is.

Create and download a professional sale note PDF in your browser — no account needed.

Create and download a professional quote PDF in your browser — no account needed.

Upload a stamped CFDI XML and download a printable invoice PDF — processed locally in your browser.

Generate the CSD request (.sdg) you submit to SAT — key pair and signing happen entirely in your browser.

Create your account and discover how Cretia simplifies managing your business. Start exploring our features right away.