33 checks in five pillars of twenty points; the total is the literal sum. Each open check names the line it refers to and the exact points a fix adds. Computed fixes change the wording in one click and never add a fact you did not write.
The total out of 100 is the sum of the points earned across five pillars of twenty: parsing, structure, impact, language and readability. Each open check shows exactly how many points fixing it adds.
A deterministic rewrite: a stronger verb, filler removed, a date normalised. It changes wording only, never numbers, employers, titles or skills, and Ctrl+Z reverts it.
Yes. The same checks run on the same text in the free tool and in the builder. Only the three document checks differ, because the tool measures the uploaded file while the builder measures the page it renders.
No. It works signed out and keeps everything in this browser. Once sign-in is switched on, an account is used only for a Pro pass, for applying to roles posted here, and for syncing your profile across devices.