DocTool is an online platform that provides a suite of browser-based tools for editing PDFs, compressing images, converting file formats, and performing various utility functions. The service is entirely ad-free and processes all files locally in the user's browser to maintain privacy. Its primary function is to offer a centralized collection of commonly needed document and image manipulation tools without requiring software installation or account creation. The toolset includes a PDF editor with text modification capabilities (currently in beta), a PDF compressor with customizable compression presets, and a PDF merger that supports drag-and-drop page sorting. Users can also split PDFs into individual pages, convert PDF documents to editable Microsoft Word files, and add digital signatures. For images, DocTool provides a compressor that supports JPG, PNG, and WebP formats while preserving visual clarity, as well as tools for converting multiple images into a single PDF, removing backgrounds, creating transparent PNG cutouts, and translating text within screenshots across 30 languages. Additional utilities include a masked Aadhaar card maker that redacts the first eight digits locally, interactive greeting card generators for festivals and birthdays with one-click WhatsApp sharing, a QR code generator, and instant calculators for age and percentages. Typical use cases involve professionals and individuals who need to quickly compress or edit documents and images without accessing desktop software. For example, users can reduce the file size of a PDF before emailing it, merge several PDF reports into one file, create compliant passport or exam photos with print-ready layouts, or generate a personalized birthday surprise microsite. All tools operate within the browser, with no data uploaded to external servers, and the platform is accessible from any device with an internet connection. Technical requirements are minimal: a modern web browser and an internet connection.