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.env Parser

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Parse and validate .env files with duplicate detection and format conversion

Paste a .env file and it flags duplicate keys before they silently override each other in production, since most .env loaders quietly use the last occurrence and ignore earlier ones, and catching this before a deploy matters more than it sounds. It also converts to and from JSON, useful when the same config needs to feed a Node script or a cloud secrets manager, or when a config file assembled from JSON needs a .env format to ship. Validation is structural: it checks proper key names and quoting, not the semantic content of a value, so it won't catch a malformed URL, only a malformed line. Parsing runs entirely in the browser, which matters here specifically because .env files routinely contain real secrets, so nothing you paste is transmitted anywhere.

envdotenvparseconfig

How to use .env Parser

  • 1.Paste your .env file to check for duplicate keys before they silently override each other in production.
  • 2.Convert a .env file to JSON when you need to feed the same config into a Node script or a cloud secrets manager.
  • 3.Validate formatting after merging .env files from teammates to catch stray quotes or missing `=` signs before deploying.

Frequently asked questions

Does this tool store or transmit my environment variables?
No, parsing and validation run entirely in your browser, so secrets in your .env file are never sent anywhere.
What counts as a duplicate key?
Any variable name defined more than once in the file, which is flagged since most .env loaders silently use the last occurrence and ignore earlier ones.
Does it validate variable values, like checking a URL is well-formed?
No, it checks structural formatting (valid key names, proper quoting, duplicates) but doesn't validate the semantic content of values.
Can it convert JSON back into .env format?
Yes, conversion works both directions — .env to JSON and JSON back to .env syntax.

Use via API, SDK, or MCP

cURL# Free: 1,000 req/day · Pro: 10,000 req/day
curl -X POST https://api.utilix.tech/v1/tools/dotenv-parse \
  -H "Authorization: Bearer utx_live_..." \
  -H "Content-Type: application/json" \
  -d '{"input": "DATABASE_URL=postgres://localhost/db\nAPI_KEY=secret123"}'

Get an API key from your dashboard · Full API docs →

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