Ad calculators · 100% free
Ratio Simplifier
Simplify any ratio to its lowest form (e.g., 1920:1080 → 16:9), using greatest common divisor.
Any
Simplified ratio
16:9
Decimal
1.7778
About this tool
Simplify ratios using GCD. Useful for image aspect ratios, scaling.
More free tools
See all tools → Ad calculators
Freemium to Paid Conversion Calculator
Calculate freemium-to-paid conversion rate, free-tier cost, and ROI of supporting free users.
Ad calculators
Customs Brokerage Fee Estimator
Estimate customs brokerage fees for cross-border shipments, entry fee + tariff handling + bond.
Ad calculators
Lookalike Audience Size Estimator
Estimate lookalike audience size at 1%, 2%, 5%, 10% expansion, for Meta and Google.
Ad calculators
Returned Item: Resale vs Restock Calculator
Calculate whether to restock or resell a returned item at discount based on cost, condition, sell-through.
Free forever · No card
Why wait? Try it free today.
Stop managing feeds manually. Start optimising with AI in 30 seconds.
- 100% free forever, no credit card required
- 1 brand, 1 feed, 100,000 products per feed
- Full AI Product Optimisation, Rule Engine, and 200+ channel exports
- Pay only for AI credits when you need them