Werkery

Text Diff Checker

Compare two text blocks line-by-line. Added lines, removed lines, unchanged context. Works for code, prose, JSON, anything line-oriented.

Tool by ·
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How it works

  1. 1
    Paste left
    Original text.
  2. 2
    Paste right
    Modified text.
  3. 3
    Read diff
    Inline highlighted output.

Frequently asked

How is this different from git diff?

Same idea, simpler output. We compute line-level changes with a Myers-style LCS and color added/removed lines. For semantic diffs (JSON, code AST), use specialized tools like jd or jq.

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Tool designed and editorially reviewed by Felix Brübach. Text drafted with AI assistance and reviewed for legal and factual accuracy before publication. Not legal advice — for complex cases, consult a lawyer.
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