About JSON iGraph
JSON iGraph (jsonigraph.com) is a free set of JSON tools that runs entirely in your browser. It turns any JSON document into an interactive graph you can read at a glance, and it formats, validates and compares JSON too, with no account, no signup and nothing you paste uploaded.
JSON iGraph is not affiliated with the igraph network-analysis library.
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Why JSON iGraph exists
JSON is easy for machines and hard for people. An API response, a log line or a config file arrives as a wall of brackets, and most formatters still show it as one long column of text. The tools are built around one question: what if you could see the shape of a document before reading it line by line?
So every object and array becomes a node, nested data becomes connected nodes, and an array of ten or more records collapses into a single card that describes its fields. The structure is the first thing you see; the details are one click away.
What you can do today
- JSON Formatter & Beautifier Format, beautify and pretty print JSON online. 2-space, 4-space or tab indent, minify, recursive key sort and a tree view. Nothing you paste is uploaded.
- JSON Validator & Fixer Validate JSON and fix it: exact line and column for every error, plus one-click repair of trailing commas, single quotes, comments and Python True/None.
- JSON Graph Visualizer Paste JSON to see it as an interactive node graph. Arrays of records collapse into one schema card; click any node for its JSONPath. Export SVG or PNG.
- JSON Diff & Compare Compare two JSON files side by side online. Changed lines and the characters inside them are highlighted, and Prev/Next jumps between changes. In-browser.
Planned next
- Tree view
- Table view
- JSON to CSV
- JSON to YAML
- JSON to XML
How your JSON stays private
Every tool runs in your browser. Parsing, formatting, validation, diffing and graph building happen on your own device, mostly in a Web Worker, so there is no server in the path that could receive your JSON. You can check it yourself: open your browser's network tab and paste a document, and no request carries it.
Share links keep the document after the # in the URL, which browsers never send to a server. For the analytics and cookies the site does use, read how we handle data.
Built on open standards
Who runs JSON iGraph
It is built and run by an independent developer. Questions, bug reports and ideas are welcome at [email protected].
Follow JSON iGraph
Updates and new tools are announced on these official accounts.