.env Redactor

How to Use the .env Redactor

To use the .env Redactor, follow these steps:

1. Paste your .env file into the input area on the left (or top on mobile).

2. Choose a redaction mode: "Redact Values" replaces all values with [REDACTED], "Keys Only" shows just the variable names, and "Mask Partial" reveals the first and last character with asterisks in between.

3. View the result - the redacted output appears instantly on the right with a count of redacted values in the status bar.

4. Copy or download - use the buttons above the output to copy the redacted content or download it as a .env file safe to share.

When to Use the Tool in Real Workflows

The .env Redactor is ideal for scenarios where you need to share your configuration files securely. It's particularly useful when working in teams, preparing bug reports, or documenting your application's environment variables. By redacting sensitive values, you ensure that your production credentials and API keys remain secure.

How It Works

The .env Redactor operates entirely in your browser, ensuring that your sensitive data never leaves your device. It parses the standard .env file format, identifies key-value pairs, and replaces values using your chosen redaction method. The tool supports three redaction modes: full redaction, keys only, and partial masking. It also automatically detects keys that are likely to contain sensitive values, such as those containing the words SECRET, KEY, TOKEN, PASSWORD, PASS, CREDENTIAL, AUTH, PRIVATE, or CERTIFICATE.

Tips, Edge Cases, or Limitations

1. Full Redaction Mode: This is the safest option for sharing the full structure of your configuration file. It's ideal when you need to ensure that no actual values are revealed.

2. Keys Only Mode: This mode is useful for generating .env.example files to commit to your repository. It strips values entirely, leaving only the variable names.

3. Mask Partial Mode: This mode is helpful for debugging or verifying that the correct credentials are being used without revealing them completely. Values shorter than three characters are fully masked.

4. Secret Pattern Detection: The tool automatically detects keys that are likely to contain sensitive values, ensuring that only relevant keys are redacted.

5. Client-Side Processing: The entire process happens in your browser, making it safe to use with production credentials and API keys.

Quick reference