Free tools.
Three small tools for office work. They run in your browser, no account, nothing sent anywhere.
VAT calculatorUK 20%
Net€1,000.00
VAT 20%€200.00
Total€1,200.00
VAT calculator, by country
Net to gross and back for 14 countries or your own rate, in €, £ or $. Ready to paste into an offer.
Open the toolAI slop checker72 / 100
In today’s fast-paced world, a game-changer!
Does it sound like AI slop?
See the clichés marked before you send the post or the offer.
Open the toolAI cost per month10 tasks / day
Claude Haiku 5.5
Claude Sonnet 5.5
Claude Opus 5.5
What AI costs per month
Claude, OpenAI and Gemini on the same workload. Know the budget before the API key.
Open the toolGive it the first task. No slop.
Free, on your own Claude or ChatGPT account. Windows and Linux today.