Free SaaS tools

Sustain your
SaaS growth

A growing suite of free micro-tools for SaaS founders, marketers, and operators. No login. No fluff. Just tools that work.

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NEW
ROI Calculator
Estimate return on investment for any SaaS tool or campaign spend in seconds.
saas10.xyz/roi-calculator
↗ NEW
MRR / ARR Calculator
Calculate monthly and annual recurring revenue across all your pricing tiers.
saas10.xyz/mrr-calculator
↗ NEW
Churn Rate Calculator
Know exactly how much revenue and how many customers you're losing each month.
saas10.xyz/churn-calculator
↗ SOON
LTV:CAC Ratio Calculator
Find out if your customer acquisition cost is sustainable for the long run.
saas10.xyz/ltv-cac
↗ SOON
Cold Email Generator
AI-written cold emails for SaaS outreach. Personalized and actually worth reading.
saas10.xyz/cold-email
↗ SOON
SaaS Idea Validator
Score your SaaS idea against market demand, competition, and monetization signals.
saas10.xyz/idea-validator
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