How to Flatten & Unflatten JSON i18n Translation Files

Published: 2026-02-15 | Read Time: 3 min read

Convert deep nested i18n localization JSON structures into flat dot-notation keys for spreadsheet translators, and unflatten back to nested JSON.

Frequently Asked Questions

Does this work with standard i18next and react-intl files?

Yes! It fully supports standard React, Vue, Next.js, and Angular localization formats.