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Imgur vs ReSmush.it

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

APIImgurNEW—ReSmush.itNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSnoyes
HTTPSyesno
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedN/A — optimization service, not a dataset
Free tierFree tier — API key requiredFree; per-image size cap applies (see docs)
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Imgur vs ReSmush.it: common questions

Which is more reliable, Imgur or ReSmush.it?

On our scheduled checks, ReSmush.it leads on measured uptime — Imgur at —% versus ReSmush.it 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 Imgur and ReSmush.it need an API key?

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

Can I call Imgur and ReSmush.it from the browser?

Neither sends browser-friendly CORS headers reliably, so call Imgur and ReSmush.it from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.

Are Imgur and ReSmush.it free for commercial use?

Imgur has unclear commercial terms, and ReSmush.it 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.