Open Source Translation Automation

A developer-friendly tool that combines AI translation with i18n workflow automation.
Perfect for indie developers and small teams.

🤖 DeepL & Claude Support ⚡ Built with Bun 🔄 i18next Compatible 🔒 Data Sovereignty

Why Choose Expressio?

AI-Powered Translation

Leverage DeepL and Claude's advanced AI for accurate, context-aware translations that sound natural.

Smart Workflow Automation

Automatically detect changes in source text and keep all translations synchronized. No manual tracking needed.

i18next Integration

Seamlessly works with your existing i18next setup. Zero friction with your current translation workflow.

GDPR Compliant Your data stays in your infrastructure
Open Standards Built on i18next and web standards
150+ Languages Including regional European variants
Local Infrastructure Complete control over your data flow

Built on Trust & Transparency

Privacy by Design

Your data stays in your infrastructure. No external dependencies or data sharing.

Full Control

Choose your preferred AI provider and keep complete control over your translation process

Open Source

Transparent, auditable code. No vendor lock-in, ever.

How It Works

1

Install via npm

Get started in seconds with a simple npm command using Bun.

2

Connect Your Project

Import your existing i18n files or start fresh with our setup wizard.

3

Automate Everything

Let Expressio handle translations while you focus on building your app.

Quick Start with Expressio CE

Transform your translation workflow with Expressio Community Edition - our open source solution for developers and teams.

bunx --bun @expressio/expressio-ce start

Community Edition Features:

  • CLI-based translation management
  • Real-time AI translations
  • Smart change detection
  • AGPL licensed & free to use

🚀 Join the Community: Start using Expressio today and help shape its future!

Looking Ahead

Interested in upcoming premium features?

  • Advanced workflow automation
  • Team collaboration tools
  • Enterprise integrations
  • Priority support
Stay Informed

Be Part of Expressio