KnifeLemon / Filee

Free, open-source file converter. Convert 255 formats offline by drag & drop — images, PDF, Word, Excel, PowerPoint, HWP/HWPX, video, audio, e-books and archives. No upload, no Office needed.

VectorDestroyerTomb / Nero-Platinum

Complete Nero Platinum 2025 installation setup, fully activated and ready to run on your desktop.

LaoFeng-mouse / flyingmouse-format

飞鼠格式 FlyingMouse Format - Windows 免费文件格式转换工具（离线可用，内置 FFmpeg/LibreOffice/Poppler/Tesseract）。图片/文档/表格/PPT/PDF/音视频/WPS 格式互转 + OCR + 批量转换；音频仅支持普通格式。作者：牢蜂（LaoFeng）｜仅供个人免费使用，禁止商业售卖/转卖/套壳

C4illin / ConvertX

💾 Self-hosted online file converter. Supports 1000+ formats ⚙️

Jasonzhu1207 / ZenConverter

Local Android file converter built with Kotlin and Jetpack Compose. Convert files on device, with no ads, accounts, or upload-based fallback.

Aimee51819 / FileFlipper

FileFlipper — Quick Edit for Mac & Windows. One-click Markdown: turn Word, PDF, PowerPoint and Excel into clean Markdown that AI reads with fewer tokens. Plus Shift-drag conversion in Finder and File Explorer: JPG, PNG, PDF, HEIC, MP4, crop, OCR. 100% on-device, free and open source. Mac 和 Windows 都能用，一键转 Markdown。

transmute-app / transmute

Self hosted file converter and compression tool for images, video, audio, json, excel and more. Supports over 3,000 conversions!

Hyacinthe-primus / File_Converter_Pro

Free offline all-in-one file converter for Windows. Converts documents, images, audio and video locally. No uploads, no internet, no dependencies. Built with Python & PySide6. Features dark/light theme, stats dashboard, achievements, and multi-engine fallback.

zelon88 / HRConvert2

A self-hosted, respource aware file conversion server supporting 488 formats in 26 languages.

rirachii / converty

An open-source native macOS file converter. Local image, video, audio, PDF, and archive tools built with SwiftUI and AppKit.