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Env File Generator
Describe your variables once and get a .env file, a matching .env.example and a JSON view of the same configuration.
Describe your variables
Variables: —
Groups: —
Without default: —
Problems: —
How to use the Env File Generator
- List your variables, one per line, as name, type, default value and comment.
- Start a new group with a hash line such as hash Application.
- Pick the output views, then copy the .env, .env.example or JSON text.
Features
- Types for string, number, boolean, url, port, email, secret and json
- Grouped output with comments above each variable
- Matching .env.example with blank or hinted placeholders
- JSON view of every variable and group
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Frequently Asked Questions
Common questions about the free online env file generator.
A .env file stores configuration as key and value pairs, one per line, so secrets and
settings stay outside the source code.
Write one variable per line as the name, a pipe, the type, the default value and an optional
comment, and start a group with a hash line.
The .env file holds the real values for your machine, while .env.example is committed as a
template that shows which variables are needed.
String, number, boolean, url, port, email, secret and json. The type drives the validation
hints and the JSON view.
No. Add it to your ignore file and commit only the example, because the real file usually
contains credentials.
Values that contain spaces, quotes or a hash character are wrapped in double quotes
automatically when the quoting mode allows it.
No. Everything is parsed and formatted in your browser, so nothing you type is uploaded or
stored anywhere.
It lists every variable with its name, type, default value, comment, group and whether a
default is missing.
Yes, as long as each line uses the pipe separated format, and you can keep hash comment lines
to recreate the groups.
Yes, it is free and unlimited, with no sign up and no usage limits of any kind.
Last updated: October 10, 2026