Compare Config File Versions
When config files change between deployments or environments, you need to see exactly what's different. Paste both versions to see added, removed, and common lines.
How to do this
Copy the original config
Paste as Text A
Copy the updated config
Paste as Text B and run
Paste text below and run the tool. Everything runs locally in your browser. No data is stored.
Compare Text Blocks
Paste two text blocks and instantly see which lines are common, which were added, and which were removed. A line-by-line diff tool.
Example
Input
apple banana cherry
Output
=== COMMON (2) === apple banana +++ ADDED (1) +++ grape --- REMOVED (1) --- cherry
How Compare Text Blocks Works
Paste two text blocks and instantly see which lines are common, which were added, and which were removed. A line-by-line diff tool.
This tool runs entirely in your browser — no data is sent to any server. Paste your text, click Run, and get your result instantly. You can also chain this tool with others using the pipeline feature: run Compare Text Blocks, then continue with a related tool to build a multi-step text workflow.
Related Tools
TextRefinery is a free, open-source text processing toolkit. Learn more about regular expressions and text processing on the web.
Example: Compare Config File Versions
Input
DB_HOST=localhost DB_PORT=5432 DB_NAME=myapp DEBUG=true
Output
DB_HOST=production.db.com DB_PORT=5432 DB_NAME=myapp_prod DEBUG=false
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