Instant Generation
Files are generated on-demand in milliseconds, no queuing or waiting.
Generate dummy files of any size and format — instantly, no signup.
Documents, data, images, audio and video — 28 formats in all. Any size up to 20MB, exact to the byte. Ready in seconds.
100% free, no account required
28
File formats
20MB
Max file size
100%
Free forever
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Files are generated securely on our servers
All file generators
28 formats, each with customizable sizes and content types.
Data & config
Archives
Built for developers
Everything you need to generate test files quickly and reliably.
Server-side Processing
Heavy lifting happens on our servers. No browser memory issues.
Privacy First
No file storage, no tracking. Files are generated and streamed directly.
Flexible Sizes
Generate files from 10KB to 20MB for any testing scenario.
Perfect for every use case
Whether you're building, testing, or prototyping, DummyFiles has you covered.
File Upload Testing
Test your app's file upload functionality with files of various sizes and formats.
API Development
Test file upload endpoints and multipart form handling with realistic test files.
Storage Systems
Verify cloud storage integrations and CDN configurations with specific file sizes.
QA & Load Testing
Generate multiple test files for stress testing and performance benchmarking.
UI Prototyping
Create placeholder files for design mockups and user flow testing.
Document Processing
Test document viewers, converters, and processing pipelines.
Ready to generate files?
Start creating test files instantly. No sign-up required.