Developer Tools Calculators
Developer utilities: JWT decoder, SSL certificate expiry, Docker container size, SaaS unit economics, and API pricing tier calculators.
All Developer Tools Calculators
JWT Decoder & Expiry Calculator
Decode JWT (JSON Web Token) payload, check expiration time, and validate token structure. Free JWT inspector tool.
SSL Certificate Expiry Calculator
Calculate days until SSL/TLS certificate expires and renewal reminder dates. Free certificate expiration calculator.
Docker Container Size Estimator
Estimate Docker image size from base image, layer count, dependencies, and build artifacts. Free container size calculator.
SaaS Unit Economics Calculator
Calculate CAC payback, LTV/CAC ratio, magic number, and burn multiple for SaaS businesses. Free unit economics tool.
API Pricing Tier Calculator
Compare API pricing tiers across providers (OpenAI, Anthropic, AWS, Stripe) for your monthly request volume. Free.