Build software better, together

KnifeLemon / Filee

Free, open-source file converter. Convert 263 formats offline by drag & drop — images, PDF, Word, Excel, PowerPoint, HWP/HWPX, video, audio, e-books and archives. No upload, no Office needed.

Updated Oct 29, 2026
C#

Jasonzhu1207 / ZenConverter

Star

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

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Updated Oct 25, 2026
Kotlin

AydinAdn / MediaToolkit

Star

A .NET library to convert and process all your video & audio files.

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Updated Sep 27, 2020
C#

m35 / jpsxdec

Star

jPSXdec: cross-platform PlayStation 1 audio and video converter

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Updated May 17, 2026
Java

Powerful x264, x265, x266 and AV1 GUI encoder. Every codec is a drop-in plugin you can update or replace yourself. Also remuxes, merges streams, burns or embeds subtitles, and supports NVENC, Quick Sync and AMF. Windows and Linux, GPL-2.0.

ffmpeg hevc x264 video-converter x265 av1 video-encoder vvc

Updated Aug 11, 2026
C#

vasusen-code / VIDEOconvertor

Star

A stable and Fast telegram video convertor bot which can encode into different libs and resolution, compress videos, convert video into audio and other video formats, rename with thumbnail support, generate screenshot and trim videos.

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Updated Jun 5, 2023
Python

Gu-0312 / FormatMaster-EN

Star

全能格式转换工具 — 视频、音频、图片、文档一站式转换 All-in-one format converter for video, audio, image & documents.

desktop-app python ffmpeg tkinter format-converter video-converter audio-converter

Updated Aug 21, 2026
Python

Thavarshan / honeymelon

Sponsor

Star

Honeymelon - free, open-source desktop media conversion for video, audio and images. Local processing, no account or uploads.

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Updated Oct 29, 2026
TypeScript

soluble-io / soluble-mediatools

Star

Video / audio conversion, thumbnailing and more ! PHP FFmpeg wrapper

converter video ffmpeg psr-11 psr-3 thumbnailer psr-16 transcoder ffmpeg-wrapper ffprobe video-converter

Updated Dec 25, 2020
PHP

guruthree / mac-se-video-converter

Star

Convert video from a Mac Plus/SE/Classic to a VESA VGA signal using a Raspberry Pi Pico

apple video-converter vga macintosh-plus macintosh-se raspberry-pi-pcio

Updated Jun 9, 2025
C

MasayukiSuda / ImageToVideoAndroid

Star

Easy Image to Video Converter

android h264 android-library video-converter mediacodec image-to-video android-mediacodec

Updated Oct 21, 2018
Kotlin

riponcm / nextgenUp

Sponsor

Star

Free open-source AI image & video upscaler. Upscale photos to 8K and videos to 4K locally with Real-ESRGAN + GFPGAN face restoration. A free Topaz Gigapixel / Video AI alternative for macOS, Windows & Linux — no cloud, no watermark, no subscription.