Structured data tools
See It. Shape It. Export It.
MeaningKit is a collection of nine browser-based tools for working with structured data. View JSON, YAML and CSV, compare and transform data between formats, visualise relationships, and turn structured outlines into flowcharts.
Everything runs locally in your browser, with no account or file upload required.
Choose a tool category
Simple, focused tools for working with structured data.
View & inspect
JSON, YAML & CSV
Explore JSON, YAML and CSV in clear structured views.
Compare & transform
Compare & Convert
Compare files and reshape data into a more useful form.
Visualise & process
Visualise & Diagram
Create relationship views and flowcharts from structured data.
Popular tools
Start with five practical structured-data workflows.
JSON Viewer
Inspect JSON in a clear expandable tree view.
CSV Viewer
Open CSV and TSV data in a readable table.
Compare JSON or YAML
Review differences between JSON or YAML files.
JSON to CSV
Convert JSON records into a practical CSV file.
Visualise Data Relationships
Explore explicit relationships as a clear diagram.
How it works
Three simple steps to work with your data.
- 1Add your data
Paste structured data, choose a local file or load a sample.
- 2Inspect, compare or transform
Use a focused view or transformation suited to the task.
- 3Review and export
Check the result and download a supported format when ready.
Your data stays on your device
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