Free Developer Tool
ENV File Validator
Validate environment variable files for syntax issues.
What is ENV File Validator?
Validate .env files and detect syntax issues before using them in development or production.
How to use
- Paste the .env file.
- Validate it.
- Review any errors.
- Fix and validate again.
Features
- .env validation
- Syntax checking
- Error reporting
- Browser processing
Common Use Cases
- Environment variables
- Deployment
- Application configuration
- Debugging
Example
Input
PORT=3000
Output
Valid .env file
FAQ
Are invalid variable names detected?
Yes.
Does it validate the entire file?
Yes.
Is processing local?
Yes.
Missing a feature?
If this tool doesn't cover your use case or is missing functionality, please let me know through the Contact page.
New improvements and features are added based on user feedback.