.env File Editor & Validator
Parse, validate, edit, and convert .env files with syntax highlighting
Was this tool helpful?
What is .env Editor & Validator?
Parse, validate, and edit .env environment files with syntax highlighting and comprehensive error detection.
Find duplicate keys, unquoted values with spaces, missing values, invalid key names, and unclosed quotes. View variables in a sortable table grouped by prefix. Auto-detect and mask sensitive values like passwords, API keys, and tokens. Generate .env.example files with values stripped. Compare two .env files to see added, removed, and changed variables. Convert between .env, JSON, YAML, and TOML formats. All processing runs in your browser - your secrets never leave your device.
How to Use .env Editor & Validator
- 1Paste your .env file contents or upload a .env file
- 2Review any validation warnings or errors highlighted in the editor
- 3Use the table view to sort, filter, and edit variables
- 4Generate a .env.example or convert to JSON/YAML format
Frequently Asked Questions
Related Tools
JSON Schema Generator
Free online JSON schema generator - generate JSON Schema from sample JSON data automatically
NPM Package Explorer
Free online NPM package explorer - search npm packages, check bundle sizes, and generate CDN links
Text Diff Checker
Free online text diff checker - compare two texts and see the differences highlighted line by line
package.json Generator
Generate package.json files with a form-based builder - 8 project presets, all fields supported
JSON Formatter
JSON formatter and validator online - format, beautify, and validate JSON data instantly in your browser
XML Formatter
Free online XML formatter - format, validate, and beautify XML data with proper indentation