Locize vs. Crowdin:Live Infrastructure vs. File Management

Crowdin is a robust project management tool for files.
But in a modern CI/CD world, files are the bottleneck. Locize replaces manual syncs with a live, global infrastructure built for the speed of modern development.

Native CI/CD vs. Manual Sync

Crowdin requires you to manage the "sync" between your code and their platform. Locize removes the middleman.

Crowdin

File-Centric: You upload files, wait for translation, and download them back.
Sync Friction: Requires CLI scripts or GitHub Actions to pull translations into your repo.
Deployment Lag: Translations are only updated when you redeploy your application.

Locize

Backend-Centric: Locize acts as a live translation API/Backend for your app.
Zero-Sync: New translations are published to the Locize CDN instantly.
Hot-Reloading: Fix a typo in the Locize UI and see it live in your app without a code change.
Checked Before It Ships: Locale-aware linguistic QA checks (punctuation, numbers, brackets, HTML tags, dangerous markup) run automatically in the editor, so what the CDN serves is already vetted.

Pricing: Same Word Model, Different Value

Both Locize and Crowdin count hosted words the same way: source words multiplied by the number of target languages. This makes them directly comparable.

The key difference: Locize includes CDN delivery in every plan. Crowdin is a file management tool; to get over-the-air delivery comparable to Locize's built-in CDN, you need Crowdin's separate OTA SDK, which adds MAU-based costs on top.

With Locize, a mid-size project (e.g. 5,000 source words across 10 languages = 50,000 hosted words) fits in the Growth plan at $49/month, including 5 million CDN downloads, branches, tenants, review workflow, glossary, and styleguide. At 20 languages (100,000 hosted words), the Professional plan at $99/month includes 7 million CDN downloads and BYOK AI.

No MAU fees, no seat-based pricing, no separate CDN charges. Your cost scales with the content you store, not the number of users who access it. Prefer flexibility? A usage-based plan starting at $5/month is also available.

AI Translation Infrastructure

Both platforms support machine translation. Locize goes further with integrated AI infrastructure: bring your own OpenAI, Gemini, or Mistral key (BYOK), or use the built-in Locize AI service. A styleguide and glossary feed context into every AI translation automatically.

The Locize MCP server connects AI coding assistants (Claude, Cursor, VS Code) directly to your translation projects: 22 tools for managing translations without leaving your IDE. Why not just use AI? →

Crowdin Migration Guide Start Free Trial

Frequently asked questions

What is the difference between Locize and Crowdin?

Both manage translations, but the delivery model differs. Crowdin is file-centric: you upload source files, translate them, then pull them back into your repository and redeploy. Locize acts as a live backend, publishing approved translations to a global CDN that your app reads at runtime, so fixing a typo in the editor goes live without a code change. Locize is built by the i18next team; for Crowdin, i18next is one supported format among many.

Is Locize cheaper than Crowdin?

Both count hosted words the same way, source words multiplied by target languages, so the plans are directly comparable. The difference is what is included: CDN delivery is part of every Locize plan, while comparable over-the-air delivery on Crowdin uses a separate OTA SDK with its own MAU-based costs. A project with 5,000 source words across 10 languages fits the Locize Growth plan at $49/month, including 5 million CDN downloads. There are no seat or MAU fees.

When should I choose Locize over Crowdin?

Choose Locize when translations should behave like infrastructure rather than assets: runtime CDN delivery without redeploys, native i18next integration including saveMissing, namespaces, git-style branches, and per-tenant overrides for SaaS products. It also fits when you want locale-aware linguistic QA checks on every plan and a bill that does not scale with your user count.

When should I choose Crowdin over Locize?

Crowdin is a reasonable fit if your workflow is genuinely file-based, if you need its breadth of integrations across many non-web products, or if community and crowdsourced translation workflows matter to you. If your team is already comfortable running the sync between repository and platform, that friction may simply not be a problem worth solving.

Can I migrate from Crowdin to Locize?

Yes. Both support standard formats such as JSON and XLIFF for import and export, and the Locize CLI and Import API can ingest files exported from Crowdin. If you already use i18next, the runtime change is typically swapping your backend plugin for i18next-locize-backend. A step-by-step Crowdin migration guide is in the docs.