Free Tools for
Kubernetes Engineers
Handy utilities to help you validate config, estimate costs, and optimize your clusters. Open source and free forever.
Managing Kubernetes doesn't have to be a guessing game. We've built these free tools to solve common pain points like YAML syntax errors, hidden AWS costs, and instance right-sizing. Bookmark this page and check back often for new utilities.
Total Cost Estimator
The ultimate Kubernetes cost calculator. Estimate compute, storage, and hidden network fees in one place.
Bin Packing Visualizer
See how pods fit onto nodes. Visualize fragmentation and understand why your autoscaler is scaling up.
Base64 Encoder/Decoder
Encode or decode Base64 for Kubernetes Secrets, API tokens, and data URIs. Fast and client-side.
JSON Validator & Formatter
Validate, prettify, and minify your JSON data. Fix syntax errors instantly.
YAML Validator
Validate and format your Kubernetes YAML files. Check for syntax errors and prettify instantly.
NAT Gateway Calculator
Calculate the hidden costs of AWS NAT Gateways. See how much you're paying for cross-AZ traffic.
Instance Calculator
Find the best Price-per-GB EC2 instances for your Kubernetes nodes. Filter by vCPU and RAM.
CRON Expression Generator
Build cron schedules for Kubernetes CronJobs and Linux crontab. Copy-ready expressions with summaries.
Kubernetes Resource Units Converter
Convert CPU cores/millicores and memory bytes/MiB/GiB to size pod requests and limits correctly.