JSON/XML Structure Comparison

Compare the structural schemas of two JSON or XML documents: inspect tag hierarchies, node counts, and type mismatches.

or drag & drop PDFs here

Your files stay on your device. Nothing is uploaded.

JSON/XML Structure Comparison runs 100% on your device in your web browser. No files, text, or data are uploaded to any server, preserving complete privacy and security.

How it works

Parse and compare the structural schema (keys, node hierarchies, attributes, and data types) of two data payloads (JSON vs JSON, XML vs XML, or JSON vs XML). Flags missing nodes, unexpected fields, and type discrepancies.

Your files never leave your device
No sign-up. No login.
Free, works in any modern browser

How to use JSON/XML Structure Comparison

  1. Select your PDF document(s): Choose your PDF file. The document is read immediately into browser memory.
  2. Arrange & configure pages: Drag and drop thumbnails to reorder pages, select custom page ranges, or adjust orientation as needed.
  3. Process on your device: Click the action button. The browser Web Worker compiles the structural changes with zero network delay.
  4. Download reorganized PDF: Save your finished, properly structured document directly to your device storage.

Key features & technical guarantees

100% on-device privacy

Files never leave your browser. Zero cloud uploads, zero external telemetry, zero persistent document caching.

Instant browser speed

Runs at native CPU speed via Web Workers. Recommended file size up to 150 MB for smooth in-browser operation.

Frequently asked questions about JSON/XML Structure Comparison

Will the quality of my document be affected?

No. Page restructuring is lossless. All page content, embedded fonts, vectors, and graphics are preserved identically.

Are my files uploaded to an external server?

Never. All operations execute strictly on your device using client-side JavaScript. Your files never leave your computer or phone.

Can I cancel processing if needed?

Yes. You can hit Cancel or Start Over at any time to instantly terminate the worker and clear all buffered data from memory.