Click to select a dataset to compare, or drag-and-drop a file here.

Supported formats: JSON, NDJSON/JSONL, CSV, TOON (+ gzip & zstandard)

Your data remain private and never leave your browser.

Click to select a dataset to compare, or drag-and-drop a file here.

Supported formats: JSON, NDJSON/JSONL, CSV, TOON (+ gzip & zstandard)

Your data remain private and never leave your browser.

Here you will see the semantic difference between your datasets.
Use the filtering options above to easily understand and compare your data.

Explore, Compare, Visualize datasets online

What can I do with jsondiff.app?

Explore View

  • Navigating Complex Hierarchies: Seamlessly inspect JSON, NDJSON, CSV, and TOON datasets with native, browser-based Gzip and Zstandard decompression.
  • Dynamic Structural Filtering: Isolate specific properties and array indices with precision, even in deeply nested schemas of arbitrary depth.
  • Automated Schema Detection: Instantly infer data structures and mapped types.

Who is jsondiff.app for?

  • Developers: Debug complex pipeline outputs, verify state transitions, and audit nested configurations without custom scripts or manual grep.
  • Data Scientists: Perform rapid Exploratory Data Analysis (EDA) on nested structures and validate model outputs with statistical precision.
  • Data Analysts: Bridge the gap between raw data dumps and stakeholder-ready visualizations with zero setup and instant export.
  • Privacy-Conscious Professionals: All processing is local. Your datasets never leave your browser, ensuring absolute data sovereignty and offline capability.