Research

First-party-sourced studies on how online file tools actually handle your data — privacy, architecture, and the fine print. Every claim is quoted from the source and dated.

Do free PDF tools upload your files?

We read the privacy policy of 8 major free PDF and image tools — Smallpdf, iLovePDF, Adobe, PDF24, CloudConvert, Sejda, Convertio, TinyPNG. All 8 upload your file to a server. The evidence, sourced.

Read the study ·May 31, 2026