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Diff Checker icon

Diff Checker

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Diff Checker compares two snippets of text, source code, JSON or full files and highlights every change side-by-side. Everything runs locally inside the browser extension—no data ever leaves the user’s machine—so it suits security-sensitive workflows.

Customizable Settings - Configure comparison options

License model

  • Free • Proprietary

Application type

Country of Origin

  • CY flagCyprus
  • European Union flagEU

Platforms

  • Google Chrome
Browser tabs comparison
Code Comparison - Syntax highlighting and line-by-line diff
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Main Interface - Compare text and code side by side
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Features

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Properties

  1.  Lightweight

Features

  1.  Works Offline
  2.  No registration required
  3.  Portable
  4.  Ad-free
  5.  Syntax Highlighting
  6.  Browser extension
  7.  Compare Source Code

 Tags

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Diff Checker information

  • Developed by

    CY flagTrust Fish

  • Licensing

    Proprietary and Free product.

  • Pricing

    Subscription that costs $0 per month.

  • Alternatives

    51 alternatives listed

  • Supported Languages

    • English

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Diff Checker was added to AlternativeTo by TrustFish on May 10, 2025 and this page was last updated May 10, 2025.
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What is Diff Checker?

Diff Checker compares two snippets of text, source code, JSON or full files and highlights every change side-by-side. Everything runs locally inside the browser extension—no data ever leaves the user’s machine—so it suits security-sensitive workflows. Developers use it for quick code reviews, writers for document edits, testers for config and log diffs. Supports file upload, tab-to-tab diff, multiple encodings, and options to ignore case or whitespace.

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