🔄 File Convert

Extract ZIP files locally and download individually; see notes for RAR/7Z

Package multiple files into ZIP archive locally in browser

4 methods to convert Office docs to PDF: Office, WPS, LibreOffice CLI

Master format conversion guide for documents, images, audio, video, archives, ebooks

Batch extract all images from Office documents locally

Fix garbled text files by auto-detecting GBK/Big5/UTF-8 encoding

EPUB/MOBI/AZW3/PDF/TXT conversion via Calibre with install tutorial

Convert SRT, VTT and ASS subtitle formats with automatic timeline adjustment, processed locally

Shift SRT subtitle timing forward or backward to sync with video