logoJson DeepL

Introduction

Get started with JSON DeepL, a powerful tool for translating JSON files using the DeepL engine.

JSON DeepL is a free, open-source tool for translating JSON files into 100+ languages using the DeepL engine. Bring your own DeepL API key — no account, no server-side storage, and no cost beyond your own DeepL usage. Use it however fits your workflow: a CLI for coders, an HTTP API when self-hosting, or a no-code web interface.

CLI
Our recommended way for developers to use JSON DeepL. You can install it using npm and run it from your terminal without leaving your code editor.
API
A JSON and plain-text translation API for your own backend, available when you self-host your own copy of JSON DeepL.
Web Interface
for non technical users, we provide a web interface to use JSON DeepL.

Why JSON DeepL?

  • Fast and Accurate: Powered by DeepL for high-quality translations. DeepL is trained by human translators unlike other AI tools.
  • Developer-Friendly: CLI and (when self-hosting) API options make integration a breeze.
  • Accessible: Web interface for users who prefer a no-code solution.
  • Free and Open Source: No account, no billing — you bring your own DeepL API key.

Get Started

No sign-up required. Just bring your own DeepL API key and pick your preferred method:

  • Web Interface: Paste your JSON and translate right in the browser. Try it now.
  • CLI: Install via npm and translate directly from your terminal. Learn more.
  • API: Available when you self-host your own copy. Learn more.

Ready to translate? Pick a method and dive in!

Supported Languages

Jsondeepl supports the following languages. We will update this list as DeepL introduce new languages.