Random File Generator
Generate test files with random data in customizable sizes (up to 2 GB).
How does this tool work?
Generates test files with random content in customizable sizes.
Select the desired file size (up to 2 GB). The file is generated block by block using the Web Cryptography API and can be downloaded immediately.
Where are my data processed?
Only in your browser. Your data is not sent to any server.
The tool calculates and converts with JavaScript right on your device. Input and files are not sent to us or anyone else. You can check this yourself: load the page, disconnect from the internet, and the tool keeps working in the open tab.
No Server UploadNo sign-upRuns Offline in Tab