PortPDF – Privacy-focused offline PDF toolkit

Summary: PortPDF is a free, secure online PDF toolset that processes files entirely in the browser without uploading them. It enables merging, splitting, compressing, and editing PDFs offline, ensuring user privacy by keeping all data local.

What it does

PortPDF performs PDF manipulation tasks such as merging, splitting, compressing, and editing directly in the user's browser using client-side processing and modern web technologies like WebAssembly. No files are uploaded or stored on servers.

Who it's for

It is designed for individuals and businesses needing to handle confidential PDF documents securely without exposing files to remote servers or requiring sign-ins.

Why it matters

PortPDF addresses privacy risks inherent in typical online PDF services by eliminating file uploads, preventing data breaches, and removing paywalls or feature restrictions.