Diff Checker
Symbolizes passion, courage, and the dedication to finding differences that matter.
Professional-grade text comparison. Uses Myers Diff Algorithm for precise line-by-line analysis.
⌘+Enterto Compare
text
Syntax highlighting only (doesn't affect comparison)OriginalSaved
1
0 LN0 CH
0 B
ModifiedSaved
1
0 LN0 CH
0 B
Technical Specifications
Myers Diff Algorithm
We utilize the industry-standard Myers difference algorithm (O(ND)) to minimize edit distance, ensuring that the computed diffs are as human-readable and concise as possible.
Zero-Latency Evaluation
Unlike server-side solutions, our diff engine runs entirely in your browser's main thread or worker (future), proving near-instant feedback even for large config files.
Privacy by Design
Your data never leaves your RAM. There are no API calls, no database writes, and no analytics tracking your file contents. Secure for proprietary code and sensitive keys.
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Developer FAQ
Which diff algorithm is used?▼
We use a JavaScript implementation of the Myers Diff Algorithm, optimized for both line-by-line and character/word-level granularity.
What are the file size limits?▼
Since processing happens locally, the limit depends on your browser's memory. We recommend files under 1MB (approx 10k lines) for optimal performance.
Do you support syntax highlighting?▼
Currently, we provide diff-aware highlighting (green/red backgrounds). Full syntax highlighting for languages like Python or JS is on our roadmap.
Is my proprietary code safe?▼
Yes. No data is transmitted. You can even disconnect your internet and the tool will continue to work perfectly.