Free DIY Tools

Simple, no-sign-up tools that answer the two questions that send people back to the store: “will this work on my surface?” and “how much do I need?” Every result is explained and cited.

Calculator

Peel & Stick Coverage Calculator

Enter your wall dimensions and tile size; get the exact number of boxes with a waste allowance built in.

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Checker · Source-backed

Window Film Compatibility Checker

Pick your film type, glass, location and goal for a verdict that traces to a manufacturer source — or an honest “check the manufacturer” when the evidence isn’t there.

Open the checker →