JSON Utilities
Format, validate, and lint JSON online for free with Hexmos Free DevTools. Enjoy multiple indentation options and real-time validation in an ad-free environment.
Password Generator
Generate secure passwords instantly with Hexmos Free DevTools. Choose quick presets, customize password type, length, and characters for strong, random passwords.
Dockerfile Linter
Comprehensive Dockerfile linter. Analyze, validate, and optimize Dockerfiles for syntax errors, security risks, performance issues, and best practices.
Date Time Converter
Free online Date Time Converter by Hexmos. Instantly convert UTC, ISO, Unix timestamps, and more. Paste or pick a date to see all formats at once, no signup needed.
OpenAI Token Counter
Count tokens for OpenAI models like GPT-5, GPT-4, GPT-3.5, and more. Optimize your usage with our free online token counter tool.
Anthropic Token Counter
Count tokens for Anthropic models like Claude 3, Claude 2, and more. Optimize your usage with our free online token counter tool.