Diff Checker

How to Use Paste the original text in the left panel and the modified text in the right panel. Click 'Compare' to see the differences highlighted in color. Green lines are additions, red lines are deletions. Switch between line-level and word-level comparison modes for the detail you need. Who Is This For Developers who want a visual Git diff outside of the terminal, legal or business professionals tracking changes in contracts or documents, and engineers reviewing config file changes before deploying. Key Features • Line-level diff highlighting • Word-level granular comparison • Added / deleted / changed line statistics • Inline or split-view display • Ignore whitespace option Frequently Asked Questions Q: Can I upload code files directly? A: Currently text is pasted directly. Copy the file contents and paste them into each panel. Q: Does whitespace-only differences show up? A: Yes, by default. Enable 'Ignore Whitespace' to show only meaningful content changes. Q: Does it support Korean and Unicode text? A: Yes, all Unicode text including Korean is fully supported. Tips Great for quickly reviewing changes to .env or config.json files before a commit. Use it to spot missing or mismatched keys between translation files. Enable 'Ignore Whitespace' to cut through formatting-only noise and focus on real content changes.