Engineering & Insights

ToolGenie Blog

Articles on client-side web technologies, WebAssembly, security best practices, and browser performance optimization.

Optimization & PrivacyMarch 23, 2026•6 min read

How to Compress a PDF Without Uploading It

Shrink a PDF for email or uploads without sending the file to a server. What makes PDFs large, what compression actually changes, and how to do it in the browser.

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Guides & PrivacyMarch 23, 2026•6 min read

How to Merge PDF Files Without Uploading Them

Combine PDFs in your browser. Files stay on your device—no account, no watermark, no server copy. Steps, checks, and common snags.

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