Frequently Asked Questions
Everything you need to know about generating test files.
Is FileMock free for commercial use?
Yes, FileMock is completely free and open-source. You can use generated files for commercial projects, client work, and automated testing pipelines without attribtion.
Do you store the files I generate?
No. FileMock is a client-side application. The file generation happens in your browser's memory using JavaScript/WebAssembly. We never see, store, or transmit your files.
What is the maximum file size?
In the browser, effective limits depend on your available RAM, usually around 1GB-2GB. For larger files (up to 10GB+), we recommend using our CLI tool which streams data directly to your disk.
Can I automate this in CI/CD?
Absolutely. Our CLI tool `npm install -g filemock` is designed exactly for this. You can script file generation in your GitHub Actions, Jenkins, or GitLab CI pipelines.
Pricing
FileMock is and will always be 100% free for individual and commercial use.