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CloudConvert vs LibreTranslate

Same instrument, two spec sheets — measured, not claimed.

APICloudConvertNEW—LibreTranslateNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified (software is AGPL-3.0)
Free tierFree tier — key may be requiredFree — /languages is keyless; hosted /translate may require a key or donation
Rate limitUnpublishedUnpublished (per hosted instance)
In directory since2026-07-052026-07-05
operationalpartialdownno data

CloudConvert vs LibreTranslate: common questions

Which is more reliable, CloudConvert or LibreTranslate?

On our scheduled checks, LibreTranslate leads on measured uptime — CloudConvert at —% versus LibreTranslate at —% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Do CloudConvert and LibreTranslate need an API key?

LibreTranslate needs no key, while CloudConvert requires a free API key. If you want to start calling without signup, reach for LibreTranslate first.

Can I call CloudConvert and LibreTranslate from the browser?

Only LibreTranslate is browser-friendly — it returns CORS headers over HTTPS. CloudConvert needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are CloudConvert and LibreTranslate free for commercial use?

CloudConvert has unclear commercial terms, and LibreTranslate has unclear commercial terms. We track service terms and the data license as separate fields — see the Commercial use and Data license rows above, and confirm both before shipping either in a paid product.