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YFT
Client-side ProcessingUpdated 2026-02-11Report issue

Runs fully in your browser. Inputs stay on your device. See recent fixes on changelog.

Schema Comparator

Compare two JSON schemas for structural differences.

FreeRuns in browserschema comparejson schema diff
1 lines
1 lines
Cmd/Ctrl+Enter Primary actionCmd/Ctrl+Shift+L Load sampleCmd/Ctrl+Shift+X Clear/resetCmd/Ctrl+Shift+C Copy result

About Schema Comparator

Compare two JSON schemas for structural differences. Compare two JSON schemas and find structural differences online for free. Identify common fields, missing properties, and schema changes side by side. No signup required. Uses professional-grade diff algorithms to highlight insertions, deletions, and modifications at the line or character level. Includes statistical summaries and side-by-side visual comparison. Everything runs client-side in your browser for maximum speed and privacy — no data is sent to any server, and no signup is required.

Related tools: JSON Comparator, JSON to JSON Schema, JSON Diff

How to Use Schema Comparator

  1. Enter content in both input fields (A and B).
  2. The tool compares them and highlights differences.
  3. Review the comparison results and statistics.

Frequently Asked Questions

What is Schema Comparator?
Compare two JSON schemas and find structural differences online for free. Identify common fields, missing properties, and schema changes side by side. No signup required.
How are differences detected?
The tool uses established diff algorithms similar to those in version control systems like Git. It identifies insertions, deletions, and changes at the line or character level, depending on the comparison mode.
Can I compare large texts?
Yes, the comparison runs entirely in your browser and can handle large documents efficiently. For very large files, processing may take a moment longer, but there are no hard size limits imposed by the tool.
What comparison algorithms are used?
The tool implements the Myers diff algorithm, which is the same algorithm used by Git and other professional-grade diff tools. This ensures minimal, human-readable diffs that clearly show what changed.
Is Schema Comparator free to use?
Yes, comparing content is entirely free with no size limits or account requirements. Everything runs in your browser.
Is my data safe when using Schema Comparator?
Yes, both inputs stay entirely in your browser. No data is sent to any server, so your content remains private and secure.

Related Tools

JSON Comparator
Compare two JSON objects side by side.
JSON to JSON Schema
Generate JSON Schema from sample JSON data.
JSON Diff
Compare two JSON objects and find differences.