Free Developer Tools
Production-tested utilities from 8+ years of DevOps experience. No signup, no ads, just tools that work.
Cron Expression Generator
Build and decode cron expressions with plain English. Instant validation, next run times, and copy-ready output.
YAML/JSON Validator
Validate, format, and convert between YAML and JSON instantly. Detailed error messages with line numbers.
Coming Soon
SaaS Idea Validator
Score your startup idea against 20 validation criteria.
Coming Soon
MRR Calculator
Calculate SaaS metrics, runway, and growth projections.