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    Online Diff Checker

    Compare two text blocks and find differences with highlighted changes.

    Share:
    Original
    0 chars · 1 lines
    Modified
    0 chars · 1 lines

    No Diff to Display

    Enter text in both panels above to see the differences highlighted. You can compare code, text, or any content.

    Split view: Side-by-side comparison of original and modified text.

    Inline view: Changes shown in sequence with + and - markers.

    Unified view: Combined view with line numbers from both versions.

    Keyboard: Ctrl+F to search ·Esc to close search/fullscreen
    About Diff Checker

    This diff tool compares two text blocks and highlights the differences between them. It's useful for comparing code, configuration files, or any text content to quickly identify what has changed.

    Features
    Side-by-side diff view
    Inline diff view
    Line-by-line comparison
    Added, removed, and unchanged line counts
    Use Cases

    Code Changes

    Compare code versions to see what changed

    Config Files

    Review configuration file updates

    Documentation

    Find changes in documentation

    Debugging

    Debug text transformations

    Frequently Asked Questions

    How do I compare two texts?

    Paste your original text in the left panel and the modified text in the right panel. The tool highlights additions in green and deletions in red.

    What's the difference between side-by-side and inline view?

    Side-by-side shows both texts in parallel columns. Inline view shows changes in a single document with additions and deletions marked.

    Can I compare code files?

    Yes! The diff checker works great for code comparison. Paste code from any programming language - the tool handles syntax highlighting.

    Is my text data private?

    Yes, all comparison happens in your browser. Your text is never sent to any server.

    Privacy First

    All comparison happens in your browser. Your text never leaves your device.

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    JavaScript to JSON

    Convert JavaScript object literals to valid JSON

    JSON Merge

    Free online JSON merge tool. Combine two JSON objects with deep or shallow merge strategies. Perfect for config files, API responses, and data manipulation.

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