# FlatNest
> Free in-browser JSON flattener and unflattener
- URL: https://glyahh.top/flatnest/
- Visit (tracked): https://promoteindex.com/go/flatnest
- Category: dev-tool
- Built with: human, cursor, grok
- Pricing: freemium
- Votes: 0
- Tested by PromoteIndex: no. Not tested by PromoteIndex yet. Use at your own risk.
- Listed: 2026-10-28
- Tags: json, developer, utility, browser
FlatNest flattens and unflattens nested JSON in the browser with dot-notation paths. No signup, runs client-side. Early-bird lifetime deal available.
Listing: https://promoteindex.com/p/flatnest

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