Secure & Precise Text Comparison
Why use our Diff Checker?
Comparing text files often involves sensitive data—code snippets, legal documents, or configuration files.Smoothtools Diff Checker is built with a zero-trust architecture. Your data never leaves your browser.
- Client-Side Only100% offline-capable processing. No server uploads, ever.
- High PerformancePowered by the Monaco Editor (VS Code) for handling large files with ease.
- Smart DiffingCharacter-level granularity helps you spot even the smallest typo.
Unified vs Split View
Split View places files side-by-side, perfect for comparing long documents where context is key.
Unified View merges changes into a single timeline, ideal for code reviews and quick spot-checks of what changed.
Use Cases
Developers: Compare minified code, JSON outputs, or config files without installing CLI tools.
Writers: Track changes between drafts of articles or legal contracts.