Compare text or JSON snippets line by line, format JSON before comparison, and copy a unified diff locally.
2 added lines, 2 removed lines
{"name": "ZPTools",- "theme": "dark",- "tools": ["json", "timestamp", "base64"]+ "theme": "system",+ "tools": ["json", "timestamp", "base64", "jwt"]}
Compare two snippets with added, removed, and unchanged lines.
Format valid JSON on both sides before comparing API responses.
Keep original and changed text visible while inspecting the result.
Copy a simple unified diff for comments, tickets, or notes.
Works for config, logs, markdown, CSV snippets, and code fragments.
Quickly see how many lines were added or removed.
This first version is a line-based diff with JSON formatting support. It is ideal for readable API payload comparisons.
No. All comparison work runs in the browser.
Yes. Paste any plain text, logs, markdown, or config files.