Global Translation Hosting
& Edge CDN

Deliver translations to your users in under 50ms. Update your app copy instantly with Over-the-Air (OTA) updates. No code changes, no re-deploys, and zero downtime.

No credit card required14-day free trialTracking-free service
SimpleLocalize - Translation Hosting CDN architecture diagram
Edge CDNOver-the-Air updatesJSON hostingYAML hostingTranslation environmentsCloudflare CDNAWS S3Sub-50ms deliveryZero downtimeREST APICI/CD integration30+ file formatsEdge CDNOver-the-Air updatesJSON hostingYAML hostingTranslation environmentsCloudflare CDNAWS S3Sub-50ms deliveryZero downtimeREST APICI/CD integration30+ file formats

We power your product localization
From first commit to global launch

Used at IntersportUsed at IKEAUsed at InvisalignUsed at AmdocsUsed at OSRAMUsed at project44Used at nglUsed at SpitfireAudioUsed at SagemathUsed at UNICEFUsed at AstraZenecaUsed at nabooUsed at walcuUsed at vocal remover

Why host translations?

Instant copy changes,
zero deploys

Translation hosting is a core component of a modern software localization workflow. Instead of bundling translation files into your build, serve them from a global edge network. Fix a typo, update a headline, or launch a new language, all without touching code or waiting for a deploy.

SimpleLocalize hosting acts as a content delivery network for your translations. Publish changes with one click and your app picks them up instantly via the Localization API or a simple JSON fetch.

Translation Hosting docs
Translation Hosting CDN overview in the SimpleLocalize editor

Core capabilities

Edge-fast. Version-controlled.
Format-flexible.

Edge-fast delivery

Global CDN hosting ensures your JSON/YAML files are delivered from the nearest edge node for sub-50ms latency.

Environment versioning

Separate your production translations from development. Push changes to staging first, then promote to live.

Format on-the-fly

Upload once, fetch anywhere. Our CDN transforms your data structure on-the-fly: request nested JSON for your web app and flat JSON for your mobile app from the same source.

Performance

Built for speed & reliability

We use a global network of edge nodes (Cloudflare + AWS) to ensure your translation files are always physically close to your users. Your Core Web Vitals stay perfect, every locale, every time.

Sub-50ms latency

Translations are cached at edge locations across the globe, ensuring lightning-fast delivery no matter where your users are.

99.99% uptime

Backed by AWS S3 and Cloudflare CDN with automatic failover. Your translations are always available, even during traffic spikes.

Lighthouse 100/100

Translation hosting adds zero render-blocking resources. Your performance scores stay intact across all locales.

Instant cache invalidation

When you publish changes, edge caches are purged automatically. Users see updated translations within seconds.

Translation environments for CI/CD

Mirror your development workflow with dedicated translation environments. Keep experimental translations in Development, promote reviewed copy to Staging, and push approved content to Production, just like code. Integrate with GitHub, GitHub Actions, GitLab CI, or any runner to automate the entire pipeline.

Configuration of translation hosting environments for development, staging, and production

Hosting vs. Bundling

Why host instead of bundling?

Bundling translation files into your build requires a new deployment for every typo fix. Hosting allows for instant updates: no build pipeline, no waiting.

Feature
Manual Export / Import
SimpleLocalize CDN
Update speed
Export/Import: Hours (Build + Deploy)
SimpleLocalize: Instant (One click)
Developer effort
Export/Import: High (Manual sync)
SimpleLocalize: Zero (Automated)
Reliability
Export/Import: Prone to human error
SimpleLocalize: Edge-cached & redundant
Flexibility
Export/Import: Static files only
SimpleLocalize: Dynamic environments
Downtime
Export/Import: Requires re-deploy
SimpleLocalize: Zero downtime updates

How it works

From local files to global CDN in minutes

Follow this workflow to serve translations from a global edge network instead of bundling them in your app.

1

Add translations in the editor

Use the online Translation Editor to add, edit, or auto-translate your content. Import existing files via CLI, CI/CD, or drag-and-drop.

2

Configure environments

Set up Development, Staging, and Production environments. Choose your JSON format and missing-translation strategy.

3

Publish to CDN

Click 'Publish' or trigger a publish via the API. Translations are pushed to the global edge network instantly.

4

Fetch from your app

Your app fetches translations as JSON from the CDN URL. Use webhooks or polling to stay in sync automatically.

For a step-by-step walkthrough, see the getting started guide.

Why SimpleLocalize

Built for modern app teams

Developer-first hosting with the simplicity your whole team needs.

Edge-fast CDNSub-50ms translation delivery via Cloudflare + AWS edge network. Protects Core Web Vitals across all locales.
OTA updatesOver-the-Air updates let you change any text instantly. No build, no deploy, no downtime.
Environment syncDevelopment, Staging, Production: mirror your CI/CD pipeline with dedicated translation environments.
AI built inDeepL, Google Translate, and OpenAI integrations. Auto-translate new content in one click, then publish.
Webhooks & APIAutomate translation fetching with webhooks or the REST API. Integrate with any stack or workflow.
Flat pricingPredictable pricing based on translation keys. No per-language, per-word, or bandwidth fees.

Get started with SimpleLocalize

  • Host translations on a global edge CDN
  • Publish changes instantly with OTA updates
  • Automate with webhooks and REST API
  • Try it free for 14 days, no credit card required
  • Transparent pricing based on translation keys, not bandwidth or API calls
Start for free
No credit card required5-minute setup
"The product
and support
are fantastic."
Laars Buur|CTO
"The support is
blazing fast,
thank you Jakub!"
Stefan|Developer
"Interface that
makes any dev
feel at home!"
Dario De Cianni|CTO
"Excellent app,
saves my time
and money"
Dmitry Melnik|Developer

How does Translation Hosting work?

With SimpleLocalize's built-in Translation Editor, you have full control over your translations. Edit, manage translation keys, and utilize auto-translation to translate into multiple languages. Once you're satisfied, publish changes to the CDN with one click. Your app fetches the latest translations as JSON files, so updates appear instantly without any code changes or re-deploys.

How to integrate Translation Hosting with my app?

Fetch your translations as a JSON file using any REST client library: your app simply makes an HTTP GET request to the CDN URL. You can also leverage webhooks to automatically pull translations whenever new content is published. This works with desktop, web, and mobile applications alike.

What is the CDN infrastructure behind Translation Hosting?

SimpleLocalize uses Amazon S3 for durable storage and Cloudflare CDN for global edge delivery. Your translation files are cached at hundreds of edge locations worldwide, ensuring sub-50ms latency for users in any region. Automatic cache invalidation means published changes propagate to all edge nodes within seconds.

How do translation environments work?

You can create custom environments (e.g., Development, Staging, Production) that mirror your CI/CD pipeline. Each environment has its own CDN URL and independent publish cycle. This lets you test experimental translations in staging before promoting them to production, reducing the risk of shipping incomplete or incorrect copy to users.

Translation Hosting vs Export/Import

Traditional export/import requires downloading translation files, committing them to your repo, and triggering a new deployment for every change. Translation Hosting eliminates this overhead: changes are published to the CDN instantly, with zero downtime and zero developer effort. You get dynamic environments, automatic edge caching, and Over-the-Air updates, all without touching your build pipeline.

Can I host translations on my own cloud storage?

Yes. SimpleLocalize supports hosting on Amazon S3, Azure Blob Storage, or Google Cloud Storage of your choice. This option is available in every paid plan, giving you full control over data residency and infrastructure while still benefiting from the SimpleLocalize publishing workflow.

What file formats does Translation Hosting support?

Translation Hosting supports JSON (flat, nested, and ICU), YAML, and other popular i18n formats. Upload once, fetch anywhere: request nested JSON for your web app and flat JSON for your mobile app from the same source. The system transforms the data structure on-the-fly so every team gets the format they need.

Is there a bandwidth or request limit?

No. Translation Hosting uses flat pricing based on the number of translation keys, not bandwidth or API calls. There are no per-request or per-language fees.

How fast are translations delivered?

Translations are served from Cloudflare edge nodes worldwide, with typical latency under 50ms. Cache invalidation after publishing takes only a few seconds.

Can I use Translation Hosting with mobile apps?

Yes. Any app that can make an HTTP request can fetch translations from the CDN. This works with iOS, Android, React Native, Flutter, and any other platform.

How does Over-the-Air (OTA) updating work?

When you publish translations in the SimpleLocalize editor, the CDN cache is updated instantly. Your app fetches the latest version on its next request, no app store update or re-deploy required.