Generate Dummy Files
This free online dummy file generator lets you instantly create sample files in popular formats like TXT, JSON, XML, JPG, and PNG for testing and development purposes. It’s a browser-based tool – no installation or sign-up required – making it convenient for developers, QA engineers, and students who need quick test files for projects or tutorials. Simply choose a file type, set the size, and generate a file filled with placeholder content. Whether you need a small dummy text file or a large fake image, this tool creates files of any size with ease. It’s an essential utility for anyone looking to generate dummy data files on the fly and streamline their testing workflow.
✅ Why use dummy files?
Dummy files are perfect for simulating uploads, testing file limits, or benchmarking performance in local or server-side environments.
✅ For who is this tool?
This tool is made for developers, software testers, educators, and IT professionals who need fast and flexible test files with no hassle.
✅ Benefits of browser-based generation
No installation or server interaction needed — generation happens instantly on your device for better privacy and performance.
✅ Supported formats and sizes
Generate TXT, JSON, XML, JPG, and PNG files ranging from just a few KB up to 2,048 MB in size with dummy data.
✅ Why QA Testers Use Dummy Images for Development
Need to test image uploads or validate image-heavy workflows? Generate dummy JPG/PNG files with controlled size for real-world testing.