SafeJSON — Privacy
A JSON formatter that never sees your data
What is SafeJSON — Privacy?
SafeJSON is a privacy-first JSON toolkit for developers. Format, validate, diff JSON and decode JWT tokens — all 100% client-side. Your sensitive pasted JSON data never leaves your browser, no pasted-content upload, no pasted-content analytics. You can verify this behavior in DevTools Network panel. Built after jsonformatter.org leaked 80,000+ user credentials in 2025.
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