Tools, not more reading
Small machines that take your numbers and hand back your answer. Free, no signup, no AI, and nothing you type leaves your browser.
The Copilot Cost Calculator
Seats, credits, the Azure tail and the prerequisites, assembled into one monthly figure. Prepaid packs against pay-as-you-go, the overage cutoff, and your levers ranked by what they save on your own numbers.
Open itChecklist · printableThe Copilot Allocation Method Decision Checklist
Twenty minutes to a defensible method for splitting the metered line across business units. A materiality gate, twelve yes/no questions, four methods, one written decision.
Open itFive checks where the decimals decide
Each one takes the numbers from your own report and shows the verdict at the precision the report prints next to the verdict at the precision the arithmetic has. When the two disagree, the precision is the finding. One per function, each built on a fixture from the matching AI Stack.
The same hiring round, at two decimals and at four
Type a selection round in. See the four-fifths verdict your report prints next to the one the arithmetic gives, and whether they agree.
Open itSales · deal desk · runs in your browserThe biggest discount that still holds the floor
Price, cost, floor. The tool finds the maximum discount, then shows what happens when you truncate it and when you round it. One of them sits under the floor.
Open itProcurement · three-way match · runs in your browserA tolerance with two limbs, and the one that binds
Enter an invoice line and the policy as written. See the verdict the percentage limb gives next to the verdict the whole clause gives.
Open itFinance · variance commentary · runs in your browserRe-add the bridge, get the residual
Budget, actual, the drivers the commentary names. The tool re-adds them and prints what is left over, at the precision you typed.
Open itIT · agent builds · runs in your browserThe instructions you pasted, counted against the ones you tested
Paste an instruction fence, enter the count it shipped with. The tool tells you whether the instructions in the box are the ones that shipped, character for character.
Open itWhere to next, for you
Three picks that follow from this page.
Free next step
Copilot, on one page
The loop to run when the answer matters, eight readiness boxes, and what to do about your score. Three pages, free.
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GoPaid option · $39
The Honest M365 Copilot Kit
Get genuinely good at Copilot, fast, and know when not to trust it.
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GoWorth a read
M365 Copilot costs in 2026: included vs metered
What is in the seat, what is metered, and how to charge it back.
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GoPicked from the pages you open here; that record stays in your browser and is never sent to us. .