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Choosing a dummy file generator without collecting PII

Written by Ankur Prajapati

Founder · QA & full-stack developer

Published 2026-05-24

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The short version

Many “free” generators stream bytes through unknown infrastructure. If SOC2/GDPR auditors ask where data transits, vague answers fail.

What to ask vendors

  • Does the tool require an account or API key that logs filenames?
  • Are files written to disk on a remote server even “temporarily”?
  • Can you reproduce the exact byte count without network access (air-gapped CI)?
  • Does the site clearly separate marketing pixels from the interactive tool?

Why we bias client-side blobs

Dummy File Generator keeps MIME templates and padding loops inside your browser whenever possible — pair that with deterministic share URLs for regressions (?preset=/?bytes=).

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