FilesLocal

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?

100% Client-Side: Your data never leaves your browser.

All calculations, conversions, encodings, and file processing of this tool are executed exclusively locally via JavaScript on your client device. No inputs, passwords, cryptographic keys, texts, or uploaded files are ever sent to our servers or third parties. Once the page is loaded, the tool remains completely functional even offline.

No Server Upload100% GDPR CompliantRuns Offline in Tab