Online JSON Structure Analyzer
Inspect nesting depth, node counts, type distribution, duplicate keys, and detailed document metrics.
How It Works
Fast, secure, browser-native JSON processing in 3 simple steps
Paste or Upload JSON
Paste your raw data directly into the editor or upload any .json, .jsonc, or .json5 file.
Inspect & Validate
Instantly view syntax errors, health score, duplicate keys, and potential sensitive credentials.
Format, Diff or Export
One-click format, run structural comparisons, generate redacted copies, or download the clean output.
Comprehensive Structural Analysis
Quickly understand the complexity of any JSON file before parsing it in backend services or feeding it to downstream pipelines.
Frequently Asked Questions
Everything you need to know about JSON validation, formatting, and privacy
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