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PDF Privacy: Why Local Processing Is Safer

Contracts, IDs and payslips uploaded to online tools leave your device. Local merging sends no network request, but browser extensions or malicious scripts can still read the page; close the tab when done.

更新 2026-10-31 · 公式可核验

Files stay in the browser, reducing exposure.

Large files are memory-bound and may lag.

Browser extensions or malicious scripts may read the page.

Close the tab and clean the download folder afterwards.

FAQ

Is local processing absolutely safe?

Not absolute; it reduces upload risk, but the browser environment must still be trusted.

Does it work offline?

After the page loads, yes; pdf-lib must load first.

Sources

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