Global CDN Backed

CDN & Bandwidth Test Files

Download highly-available CDN test files from 1GB to 50GB to validate your network bandwidth, browser buffering, proxy routing, and CDN throughput safely.

Network Speed Validation

Stress-test your local connection speeds using maximum throughput CDN endpoint delivery.

Geo-Routing Tests

Validate CDN edge node routing from your specific country to ensure latency is minimized.

CDN Stress Files

4 Files

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1GB Speed Test Payload

Ideal for quick browser ping and connection warmup validations.

Download 1GB ZIP →

🚀

5GB Throughput Test

Perfect for evaluating sustained connection speed and bandwidth throttling.

Download 5GB ZIP →

🔥

10GB Extreme Payload

Test router limits, cache bursting, and network hardware limits safely.

Download 10GB ZIP →

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50GB Max Payload

HEAVY

Maximum test size for verifying large scale Enterprise grade edge caching.

Download 50GB BIN →

Why Test With Huge CDN Files?

Diagnosing slow download speeds requires ruling out factors. Using a globally-distributed CDN file lets you test max throughput safely without dealing with local bandwidth limits.

Download Manager Testing

Test multi-thread chunked download managers (like IDM or JDownloader) to see if concurrent connection limits apply to edge node fetches.

Proxy Cache Hit Ratios

Run identical GET requests from the same office IP to ensure your corporate Squid or Nginx proxy caches the file efficiently.

Which File Size Do You Need?

A quick guide to selecting the right dummy file size for your specific testing scenario.

File Size	Best For	Typical Testing Scenarios
1MB - 10MB	Basic Form Uploads	Profile avatars, email attachment limits, basic validation, generic document processing.
50MB - 100MB	Standard API Limits	Nginx `client_max_body_size` testing, API payload limits, WebHook timeouts.
500MB - 1GB	Bandwidth & Streaming	Video streaming buffering tests, chunked resumable upload flows, CDN origin pull tests.
5GB - 10GB	Stress Testing	Large object storage validation (S3), network stability, ISP throttling detection, disk I/O.