<p>PaperKnife is a professional-grade, open-source PDF utility designed with a "Zero-Server Architecture." Unlike other PDF tools that require you to upload sensitive documents to a remote server, PaperKnife performs every operation directly in your device's memory.</p><p>Your data never leaves your phone.</p><p>Core Features:</p><ul><li>Merge PDF: Combine multiple documents into one.</li><li>Split PDF: Visually extract specific pages or ranges.</li><li>Compress PDF: Reduce file size without sacrificing quality.</li><li>Protect &amp; Unlock: Add or remove passwords with strong encryption.</li><li>Convert: Images to PDF and PDF to high-quality images.</li><li>Edit: Rotate, rearrange, and add page numbers or watermarks.</li><li>Secure: Edit metadata and sign documents electronically.</li></ul><p>Built for the community, PaperKnife is fully open-source (AGPLv3) and contains no tracking, no analytics, and no advertisements. It's the ultimate tool for those who value their document privacy.</p><p>Note: This "Lite" store version excludes non-free Deep OCR binaries for FOSS compliance. Users who require full OCR support and advanced text extraction can download the Full Version directly from our GitHub repository.</p>