Frequently Asked Questions (FAQs)
Clear answers regarding our client-side architecture, processing speeds, and privacy safeguards.
LocalDoc compiles its file transformation libraries (pdf-lib, pdf.js, SheetJS, and Tesseract.js) to pure client-side JavaScript and WebAssembly. When you drop a document into any tool, the file binary stays entirely inside your browser's private memory sandbox. No network requests are made.
No! Because transformations run on your own hardware rather than expensive cloud servers, you can process unlimited files without paying anything.
Yes. After your first visit, our Progressive Web App (PWA) cache allows you to open LocalDoc and use all 20 tools completely offline in air-gapped mode.
Pakistani NADRA CNIC smart card photos must be exactly 354x472 pixels at 300 DPI with a blue or light background. Our CNIC Photo Maker handles this aspect ratio and 4x6" print grid generation automatically.
PDF text extraction is handled by Mozilla's PDF.js runtime, OpenXML Word (.docx) containers are assembled by our client-side DocxBuilder, and Excel spreadsheets (.xlsx) are compiled using SheetJS.