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ddownload vs OCR.Space

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

APIddownloadREACHABLE—OCR.SpaceREACHABLE—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeyapiKey
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree tier — API key may be required for production
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

ddownload vs OCR.Space: common questions

Which is more reliable, ddownload or OCR.Space?

On our scheduled checks, OCR.Space leads on measured uptime — ddownload at —% versus OCR.Space 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 ddownload and OCR.Space need an API key?

Both ask you to authenticate — ddownload uses an API key and OCR.Space uses an API key. Each key is free to obtain; the Auth and Card-required rows above spell out the signup terms.

Can I call ddownload and OCR.Space from the browser?

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

Are ddownload and OCR.Space free for commercial use?

ddownload has unclear commercial terms, and OCR.Space 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.