Diff Checker
Compare two texts and highlight the differences
How to Use Diff Checker
Compare two texts side by side and see exactly what changed. Supports both line-level and word-level diffs with color-coded additions and deletions.
- 1
Paste original text
Paste the original version of your text into the left editor panel.
- 2
Paste modified text
Paste the modified version into the right editor panel.
- 3
Choose diff mode
Select Line diff for line-by-line comparison, or Word diff for more granular, word-level changes.
- 4
Review differences
Additions are highlighted in green (+), deletions in red (-). Line numbers help you locate each change.
Frequently Asked Questions
What is a diff checker?
A diff checker compares two pieces of text and highlights the additions, deletions, and modifications between them.
Can I compare code?
Yes, this tool works great for comparing code, configuration files, or any text content.
Does it support word-level diff?
Yes, you can switch between line-by-line and word-by-word comparison modes.
Is this tool free?
Yes, completely free with no signup required. All comparison happens in your browser.