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Formatierer & Code

Snapshot Test-Vorschau

Side-by-side diff for any two snapshot strings.

Runs in your browser
Diff+3-2
- <div class="card">
-   <h2>Old title</h2>
+ <div class="card highlighted">
+   <h2>New title</h2>
    <p>First paragraph.</p>
+   <p>Plus a fresh line.</p>
  </div>

Anmerkung der Redaktion

Understanding · Capture the output, diff on every run.

Dieses ausführliche Kapitel ist derzeit nur auf Englisch verfügbar. Das Konvertierungstool oben funktioniert in Ihrer Sprache; der lange Erklärtext wurde noch nicht übersetzt.

Häufig gestellte Fragen

Quick answers.

›What format should the snapshots be in?

The tool accepts plain text, JSON, or serialised markup commonly produced by testing frameworks like Jest or Vitest.

›Is my test data safe?

Yes. The diffing logic runs locally in your browser memory and no snapshot content is uploaded to any server.

›How does the side-by-side diff work?

The tool calculates line-level changes and highlights additions in green and removals in red across two distinct panels.

›Can I use this for non-test files?

Whilst designed for snapshot testing output, the tool functions as a general-purpose text diffing utility for any two strings.

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