PDF24 Tools Suite

PDF24 is a free collection of online and desktop PDF tools that provides over 30 utilities for creating, editing, converting, and managing PDF documents. Developed by geeksoftware GmbH, a software company based in Berlin, Germany, and launched in 2006, PDF24 has served millions of users and processed billions of PDF operations. Unlike many free PDF tools that are ad-supported or limited, PDF24 provides all features completely free with no registration required. Key features: PDF creation: create PDF files from any application that can print, using a virtual PDF printer driver for Windows. Merge, split, and extract pages from PDFs with a drag-and-drop interface. Convert: convert PDF to Word, Excel, PowerPoint, images (PNG, JPEG, TIFF), text, and HTML. Convert images, Word, Excel, and PowerPoint files to PDF. Edit: add text, images, and shapes to PDF pages. Redact sensitive content by blacking out areas. Annotate with highlights, comments, and stamps. Sign: digitally sign PDFs with a self-created signature drawn with mouse or trackpad, or upload an image of a handwritten signature. Compress: reduce PDF file size with configurable quality settings, ideal for email attachments. OCR: recognize text in scanned documents using Tesseract OCR with support for multiple languages. Security: protect PDFs with passwords, set permissions (print, copy, edit), and remove passwords from unlocked PDFs. Watermark: add text or image watermarks to all pages. Stamp: add page numbers, Bates numbering, and custom stamps. Form: fill out and flatten PDF forms. Desktop app: a Windows desktop application that works offline without uploading files to servers. Online tools: browser-based tools with no installation required, files are processed locally when possible. JavaScript/Java. Proprietary, free.