Config File Diff Checker
One wrong character in a config file can break a whole system. Our diff checker makes it easy to spot minute changes between working and non-working files.
When to use this solution:
Perfect for comparing .env files, nginx configs, or local vs production environment settings.
Common Use Cases
1Step-by-Step Guide
Provide the 'Working' file
Paste a known working configuration into the left box.
Provide the 'Issue' file
Paste the file that might be causing problems into the right box.
Locate the change
Scan the highlighted lines to find where values or settings differ.
Fix and verify
Identify the broken setting and correct it in your actual environment.
Ready to get started?
Use our free tool to solve this problem in seconds. No installation required.
Check Config FilesFrequently Asked Questions
Does it detect missing lines?
Yes, missing lines will be highlighted in red, while extra lines in the modified file will be green.
Can it compare secret keys safely?
Since everything runs in your browser, your sensitive config keys are never uploaded to any server.