How to use Dotenv Inspector and Example Builder
- Paste supported single-line assignments using sample values where possible.
- Run the syntax and duplicate-key inspection.
- Review the generated .env.example names before sharing it; original values are omitted.
Example: Dotenv Inspector and Example Builder
Find a duplicate without exporting its values.
Supported inputs and limits
Where your input is processed
This tool processes your input in this browser. Your text and files are not uploaded to UseFreeTools. Check this tool's limits for anything it may save on your device.
The inspector does not load an environment
Assignments are parsed as text. There is no interpolation, shell execution or configuration loading. Quoted multiline values and shell expressions are outside the supported syntax. A report of distinct names does not prove that a particular application accepts those names or will boot with them.
Placeholder files can still reveal context
Replacing every value reduces accidental secret disclosure, but names and line numbers can identify services or application structure. Comments and original values are absent from the output. Inspect the example before sharing and do not treat a cleaned placeholder file as a working production configuration.
Questions about Dotenv Inspector and Example Builder
Are source values included in the example?
No. Every value is replaced with REPLACE_ME.
Can variable expressions execute?
No. The tool does not evaluate shell commands or interpolate variables.
Can key names reveal information?
Yes. Review the retained names before sharing the example.