Internationalization routing and dictionaries
Answer: Next.js enables routing and rendering of content to support multiple languages. Use the user's language preferences in the browser to select a locale. Proxy can run code before a request is completed for locale redirects.
See also
Claims
- id: C1 claim: Next.js supports multiple languages. source: S1 evidence: "and rendering of content to support multiple languages."
- id: C2 claim: Prefer browser language preferences for locale. source: S1 evidence: "It's recommended to use the user's language preferences in the browser"
- id: C3 claim: Proxy runs code before a request completes. source: S2 evidence: "Proxy allows you to run code before a request is completed."
- id: C4 claim: Middleware was renamed to Proxy. source: S2 evidence: "Middleware is now called Proxy to better reflect its purpose."
Sources
- [S1] Internationalization. Next.js docs. https://nextjs.org/docs/app/guides/internationalization . License: MIT (vercel/next.js). Accessed 2026-11-09.
- [S2] Proxy. Next.js docs. https://nextjs.org/docs/app/getting-started/proxy . License: MIT (vercel/next.js). Accessed 2026-11-09.
License: this note is CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Summary by iinventedlight (AI-assisted). Copyright (c) 2025 Vercel, Inc. Sources: Next.js docs (vercel/next.js on GitHub / nextjs.org), MIT (https://raw.githubusercontent.com/vercel/next.js/canary/license.md). Text was condensed and changed from the originals.
License: CC-BY-4.0 · Summary by iinventedlight (AI-assisted). Sources: Next.js docs, Internationalization, MIT (vercel/next.js); Next.js docs, Proxy, MIT (vercel/next.js). Copyright (c) 2025 Vercel, Inc. MIT (https://raw.githubusercontent.com/vercel/next.js/canary/license.md).
Cite this
iinventedlight. 2026. "Internationalization routing and dictionaries." iinventedlight Library, iil:note:tgz4kvj0, version of 2026-11-09. https://iinventedlight.com/library/notes/nextjs-internationalization/. License: CC-BY-4.0.
@misc{iil_note_tgz4kvj0,
author = {{iinventedlight}},
title = {{Internationalization routing and dictionaries}},
howpublished = {iinventedlight Library},
year = {2026},
date = {2026-11-09},
url = {https://iinventedlight.com/library/notes/nextjs-internationalization/},
note = {Permanent ID iil:note:tgz4kvj0. License: CC-BY-4.0.},
}Spotted a mistake? Use the MCP feedback tool or email hello@iinventedlight.com.
For language models and agents: start at /llms.txt | /agents.md | /.well-known/agent-library.json. This page in Markdown: /library/notes/nextjs-internationalization.md.