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Install guideParse .env files, validate variables, and export to JSON, YAML, or Docker args.
| # | Key | Value |
|---|---|---|
| 1 | # Application Config | |
| 2 | NODE_ENV | production |
| 3 | PORT | 3000 |
| 4 | HOST | 0.0.0.0 |
| 6 | # Database | |
| 7 | DATABASE_URL | postgres://user:pass@localhost:5432/mydb |
| 8 | REDIS_URL | redis://localhost:6379 |
| 10 | # Authentication | |
| 11 | JWT_SECRET | super-secret-jwt-key-2024 |
| 12 | JWT_EXPIRES_IN | 7d |
| 13 | SESSION_COOKIE_NAME | __session |
| 15 | # Third-Party API Keys | |
| 16 | STRIPE_SECRET_KEY | sk_live_51abc123 |
| 17 | SENDGRID_API_KEY | SG.xxxxx.yyyyy |
| 18 | AWS_ACCESS_KEY_ID | AKIAIOSFODNN7EXAMPLE |
| 19 | AWS_SECRET_ACCESS_KEY | wJalrXUtnFEMI/K7MDENG/bPxRfiCYEXAMPLEKEY |
| 20 | AWS_REGION | us-east-1 |
| 22 | # Feature Flags | |
| 23 | ENABLE_ANALYTICS | true |
| 24 | ENABLE_RATE_LIMITING | false |
| 25 | DEBUG | false |
{
"NODE_ENV": "production",
"PORT": "3000",
"HOST": "0.0.0.0",
"DATABASE_URL": "postgres://user:pass@localhost:5432/mydb",
"REDIS_URL": "redis://localhost:6379",
"JWT_SECRET": "super-secret-jwt-key-2024",
"JWT_EXPIRES_IN": "7d",
"SESSION_COOKIE_NAME": "__session",
"STRIPE_SECRET_KEY": "sk_live_51abc123",
"SENDGRID_API_KEY": "SG.xxxxx.yyyyy",
"AWS_ACCESS_KEY_ID": "AKIAIOSFODNN7EXAMPLE",
"AWS_SECRET_ACCESS_KEY": "wJalrXUtnFEMI/K7MDENG/bPxRfiCYEXAMPLEKEY",
"AWS_REGION": "us-east-1",
"ENABLE_ANALYTICS": "true",
"ENABLE_RATE_LIMITING": "false",
"DEBUG": "false"
}Parse and inspect .env style configuration values with structured output to catch formatting mistakes before deployments and incident triage sessions.
It reads key-value environment variable text and highlights parsing outcomes clearly.
It helps detect quoting, escaping, and duplicate-key issues in deployment configs.
It improves release safety by validating config files before secrets are injected into runtime environments.
Basic env file
APP_ENV=production API_TIMEOUT=8000 FEATURE_FLAGS=search,seo
Quoted values
DATABASE_URL="postgres://user:pass@host/db" JWT_ISSUER='svc_42'
Edge case
EMPTY_VALUE= SPACED="42 55"
Parsed map
{ APP_ENV: "production", API_TIMEOUT: "8000", FEATURE_FLAGS: "search,seo" }Validation note
No duplicate keys detected; 3 variables parsed successfully.
Troubleshooting note
Keep secret-bearing values masked when sharing parser output.
Unexpected spaces around equals sign
Use KEY=VALUE format without unintended whitespace.
Unclosed quotes break parsing
Ensure single and double quotes are balanced.
Duplicate keys shadow earlier values
Keep one authoritative definition per variable key.
Comments included in value accidentally
Place comments on their own line or escape as needed.
Env Variable Parser should be treated as a repeatable validation step before merge, release, and handoff.
Does this validate secret correctness?
It validates syntax and structure, not whether secrets are valid with external services.
Can I parse multiline values?
Some formats allow them, but parser behavior depends on quoting conventions.
Should .env files be committed to git?
Usually no; commit templates and keep real secrets in secure stores.
Why does staging behave differently with same file?
Runtime injection order and platform defaults can override values.