Free tools
Advertising calculators, done honestly
Small tools for the numbers advertisers actually think in. Every one runs in your browser, validates its inputs, and says estimate where an estimate is all it is. No signup, no email gate.
ROAS calculator
Measure your return on ad spend and see the revenue you’d need to hit a target ROAS.
Open the tool →Break-even ROAS calculator
Find the minimum ROAS your campaigns need from your gross margin — the floor every target should sit above.
Open the tool →CPA calculator
Calculate your cost per acquisition and compare it against the target your unit economics allow.
Open the tool →UTM link builder
Tag campaign URLs with validated UTM parameters so every click is attributable. Private — runs in your browser.
Open the tool →Why we publish these
Adsevon is an advertising intelligence and optimization platform for improving digital advertising performance. These calculators answer the small questions; the platform answers the big one — I gave you my campaign data, what's wrong and what should I do about it? It analyzes performance, finds wasted spend and growth opportunities, and prioritizes evidence-backed actions with confidence scoring.