Free Tools

Practical calculators and generators for automation, AI and backend work. Free, no sign-up, and they run in your browser. Need something custom? See my automation services.

Automation ROI Calculator
Hours and money saved, payback period and 3-year ROI for automating any repetitive task.
Free · No sign-up
Cron Expression Generator
Translate any cron schedule into plain English and preview its next 10 run times.
Free · No sign-up
LLM API Cost Calculator
Compare the monthly cost of Claude, GPT and Gemini models for your AI feature.
Free · No sign-up