Free Dummy File Generator – Client‑Side, No Signup
This dummy file generator online lets you create test files of any size between 1MB and 5000MB directly in your browser. Nothing is uploaded, so it's safe for confidential environments.
Dummy file generator
100% client-side • No upload • Useful for QA, demos & benchmarks.
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. |
People Also Download
View all filesPDF Test Files
100KB to 50MB
Dummy PDFs with multiple pages and images for processing rules testing.
Sample Video Files
1MB to 1GB
High-resolution MP4/WebM videos perfectly suited for streaming tests.
Test Images
JPG, PNG, WebP
High-res sample images from 1KB to 15MB for frontend layout rendering.
ZIP Archive Test
10MB to 5GB
Compressed bundles. Essential for extraction and limit boundary testing.