
JSON Viewer & Formatter for Large Files
Fast, private, in-browser JSON viewer and formatter built for large files.
1 ratings3.96
Saves2
CategoryDeveloper Tools
PlatformWeb
PricingFree
This is a free JSON viewer and formatter designed to handle very large JSON files efficiently without uploading data to any server. It features a collapsible tree view, instant search, syntax highlighting, and runs entirely in the browser, ensuring privacy and speed. Additional tools include converters and formatters related to JSON and other data formats.
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Information
CategoryDeveloper Tools
PlatformsWeb
PricingFree
AccountNot confirmed
ListedSeptember 2026
WebVisit
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Mobile PageSpeed
Automated checks of the public website by Google Lighthouse 13.5.0. Scores can vary between runs.
Checked Oct 26, 2026
Test this website on PageSpeedWebsite checks refresh automatically each week.
- Performance
- 96 out of 100, Good
- Accessibility
- 95 out of 100, Good
- Best Practices
- 100 out of 100, Good
- SEO
- 100 out of 100, Good
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