How to compress a PDF without uploading it
A practical guide to shrinking PDFs locally in your browser, choosing the right quality target, and checking that sensitive files never leave your device.
Read the guide →PDF guides for people who care where their files go
Practical explanations of compression, privacy, redaction and local document workflows—without pretending every PDF problem needs a cloud.
Why “delete after two hours” is not the same as privacy
Deletion promises matter, but they are not equivalent to never uploading a document. Understand retention, transfer, processing, logs and local-first PDF tools.
Read the guide →Redaction done wrong: why black boxes leak
Drawing a black rectangle over PDF text can leave the original words searchable and copyable. Learn how safe redaction removes the underlying content.
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