#format conversion

Downie 4 is a professional, user-friendly video download tool for Mac. It supports over 1000 mainstream video websites, allowing you to quickly download high-definition videos by simply dragging and dropping links. The software is optimized for significantly faster download speeds. It also features a built-in search function and can perform simple format conversion or audio extraction on downloaded videos, making it ideal for offline viewing, educational archiving, or creative material collection.

PDF Expert 3 is a professional PDF tool for Mac, offering efficient reading, editing, OCR text recognition, and format conversion. It supports fast opening of large PDFs, two-page view comparison, and bookmark management, with one-click conversion to formats like Word, Excel, and PPT. Easily fill forms and add electronic signatures. Core selling points include 20+ language OCR recognition, precise text extraction, and cross-device sync. Suitable for office, academic, and enterprise document processing scenarios, it significantly improves work efficiency and file management convenience.

PopClip is a text selection enhancement tool exclusive to the Mac platform. It pops up a multi-functional panel with a simple text selection, supporting one-click search, translation lookup, format conversion, and more. It seamlessly integrates with apps like Evernote and Todo for quickly creating notes or tasks, significantly reducing repetitive operations. It's ad-free for permanent use and is an essential tool for boosting office and study efficiency, suitable for all types of Mac users for daily high-efficiency text processing.

VidJuice UniTube is a powerful online audio and video download and conversion tool that supports caching HD videos and audio from mainstream video sites. It offers multiple acquisition methods, including pasting links and built-in search, supports batch processing of long videos, and can convert files to formats like MP3 and MKV. With built-in encryption for privacy protection, it is suitable for content creators and everyday users, enhancing multimedia processing efficiency and meeting diverse needs.

Xunjie Image Converter is a professional image processing software for macOS, supporting conversion between over a hundred image formats (e.g., PNG/JPG/GIF/HEIC/RAW). It provides efficient compression, AI-powered background removal and replacement, ID photo creation, and watermark removal. Its batch processing capability significantly improves work efficiency, meeting needs for daily photo editing, design work, and e-commerce operations. With a simple and intuitive interface requiring no professional skills, it's an ideal tool for image processing.