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Text compare

Paste OpenAPI 3.x (JSON or YAML) for a structural diff, or any text for a line-by-line comparison — everything runs in your browser.

Enter text or JSON in at least one box before comparing.

Before (expected)
After (candidate)

For OpenAPI specs: external $ref URLs are not fetched. Breaking / risky / additive labels appear in exports (PR / Markdown). For plain text, you get a line-by-line diff (no exports).

How it works

OpenAPI or plain prose—dual panes stay in sync.

  1. 01

    Load both sides

    Specs or raw text blobs.

  2. 02

    Parse when needed

    JSON/YAML normalizes refs locally.

  3. 03

    Run compare

    Structural paths or plain line diff.

  4. 04

    Triage hotspots

    Jump list syncs pans on desktop.

  5. 05

    Export notes

    PR snippets, QA lists, Markdown.