I built 50 free developer tools – JSON, regex, JWT, SQL and more

📰 Dev.to · Lee

Learn about 50 free developer tools for tasks like JSON, regex, JWT, and SQL, and how to apply them to your workflow

intermediate Published 23 Mar 2026

Action Steps

Explore the list of 50 free developer tools to find relevant tools for your projects
Use the JSON tool to format and validate your JSON data
Apply the regex tool to test and optimize your regular expressions
Utilize the JWT tool to decode and verify JSON Web Tokens
Practice using the SQL tool to write and optimize SQL queries

Who Needs to Know This

Developers, DevOps engineers, and software engineers can benefit from these tools to increase productivity and efficiency in their daily tasks

Key Insight

💡 Having the right tools can significantly improve a developer's productivity and efficiency

Key Takeaways

Learn about 50 free developer tools for tasks like JSON, regex, JWT, and SQL, and how to apply them to your workflow

Why I built this As a developer, I constantly find myself searching for quick online tools – JSON...