Text Diff Checker
Compare two text snippets and highlight differences
How to Use Diff Checker
- Paste Original: Enter the original version of your text or code in the left box.
- Paste Modified: Enter the new version in the right box.
- Compare: Click the "Compare" button to generate a line-by-line comparison.
Features
- Line-by-Line Diff: Clearly visualizes added, removed, and unchanged lines.
- Code & Text: Works perfectly for code snippets, config files, or regular text documents.
- Privacy Focused: All comparison logic runs locally in your browser.
Why Use Our Online Diff Checker?
- Instant Results: See differences in real time without uploading files to a server.
- Code-Friendly: Monospace font and line-by-line output make it ideal for code, JSON, YAML, or configuration files.
- Privacy First: Your text never leaves your browser. No server-side storage or logging.
- Zero Setup: No registration, installation, or login required. Open the page and start comparing.
Common Use Cases
- Code Review: Spot changes between two versions of a function or script.
- Document Comparison: Quickly find edits between drafts of a contract, essay, or report.
- Config Audits: Compare server or application configuration files before and after updates.
- JSON & XML Diff: Validate that API responses or data exports match expectations.
FAQ
What do the colors mean?
Green lines indicate text that has been added. Red lines indicate text that has been removed. Unchanged lines appear in gray.
Can I compare files?
Currently, this tool supports direct text input. You can open your files in a text editor, copy the content, and paste it into the Original and Modified boxes.
Is my data safe?
Yes. The comparison is performed entirely within your browser. No text is uploaded to or stored on our servers.
Does it work with code?
Absolutely. The diff checker is great for comparing code snippets, JSON, YAML, logs, and any plain text.