Skip to main content
🇬🇧WebFileTools/.env Linter

.env Linter

Statically analyze .env files for duplicates, empty values, weak secrets and invalid formats. 100% local.

Static analysis only: no network calls, no token validation, no secrets leave your browser.

Input

Local proof

Proof of local processing

This tool is classified as local in the WebFileTools registry: processing is expected to stay inside your browser.

See transparency page
  • The page is declared as local in the public tool catalog.
  • No server-side storage is announced for this processing flow.
  • The easiest verification is to monitor the Network panel while it runs.

How to verify it yourself

  1. 1Open your browser developer tools and switch to the Network panel.
  2. 2Run the processing flow with a test file.
  3. 3Confirm that no upload request containing your file is sent to WebFileTools.

You use this tool often? Pro includes files up to 500 MB and priority processing.

What is .env Linter?

This tool analyzes .env files locally to detect structural errors, duplicates and weak secrets before production.

How to use this tool?

Paste your .env content, review the diagnostics, and fix issues without leaving the browser.

Benefits

  • Static analysis only
  • No external requests
  • Duplicate detection
  • 100% local

Frequently Asked Questions

Does the analysis use the network?
No. The analysis is purely static and local, with no external request.
What does the linter detect?
Duplicate keys, empty values, invalid formats and weak secret patterns.
Does it validate tokens or API keys live?
No. Live validation is forbidden. The tool only performs static analysis.
Can I export the report?
Yes, the report can be viewed and copied for internal documentation.