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Dotenv Generator

Turn a VAR=value list into a validated .env file — with auto-generated 32-hex secrets and duplicate detection.

Updated April 2026
Warnings
  • L4infoEmpty value for "JWT_SECRET" — consider generating a secret.
Validated .env — 6 entries
NODE_ENV=production
PORT=3000
DATABASE_URL=postgres://user:pass@localhost:5432/db
JWT_SECRET=
APP_NAME="My Awesome App"
FEATURE_FLAG=true
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What it does

Produce a clean .env with auto-generated secrets and duplicate warnings.

Runs entirely in your browser — no upload, no account, no watermark. For more tools in this category see the full tools index.

How to use it

  1. List your vars.
  2. Click generate secrets.
  3. Copy the .env.

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