Free tools, no sign-up

Small tools we made while researching products. Each works in your browser, needs no account and stores nothing. Some sit next to a product we are planning; each tool page says which one and that nothing is charged.

Last updated 2026-10-30.

Agencies

• Agency retainer profitability calculatorEffective hourly rate, margin, overage and utilization of a monthly client retainer.

Drone video

• DJI drone LUT finderPick your DJI drone and get its log profile, DJI's official conversion LUT and a D-Log M field card, each line sourced.

Freelancers

• Freelance hourly rate calculatorThe hourly and day rate you need from income goal, costs, tax set-aside, time off and billable share.

Gardening

• Raised bed soil calculatorCubic feet, cubic yards, liters and bag count to fill one or more raised beds.

Home buyers

• Home affordability and monthly mortgage payment calculatorEstimated monthly home payment and the price a 28/36 income guideline allows.

Home cooking

• Jar meal batch scaler and cost per servingScale a jar or batch recipe to any number of jars and see the cost per jar and per serving.

Personal trainers

• Personal training package calculatorPrice per session, sessions left and prepaid balance per client, plus the package discount.

Restaurants

• Restaurant food cost % and menu price calculatorPlate cost, food cost %, suggested menu price for a target % and contribution margin per plate.