Open Source C# Video Converters

FFmpeg Batch AV Converter is a free universal audio and video encoder for Windows and Linux (via Wine), that allows to use the full potential of ffmpeg command line with a few mouse clicks in a convenient GUI with drag and drop, progress information. Some fancy wizards make things easy for non-experts. Thanks to its multi-file encoding feature, it may be the fastest a/v batch encoder available, since it maximizes system resources usage by launching as many simultaneous processes up to user cpu thread count. You can change encoding priority, pause and resume, set automatic shutdown. It is good for seasoned ffmpeg users as well as beginners. It provides unlimited single or multi-file batch encoding for almost any audio/video format. You can use any set of parameters and try them before starting encoding. You can multiplex streams, subtitle videos (as track and hardcoded), trim, concatenate, record screen, multimedia info. Included youtube-dl / yt-dlp frontend GUI to download urls.

MeGUI is the most comprehensive GUI based ISO MPEG-4 solution. It suports MPEG-4 ASP (xvid), MPEG-4 AVC (x264), AAC, MP2, MP3, Flac, Vorbis, AC3 audio and various common containers support (MP4, MKV, AVI, M2TS).

A versatile, future-proof, and expandable multimedia encoder designed for ease of use. Internet Friendly Media Encoder supports adding subtitles and attachments, and can function as a remuxing tool with a Copy Stream option. It allows you to combine multiple video, audio, subtitle, and attachment streams into a single file, remove unwanted streams, or incorporate subtitles from another video without extracting. The software also supports AviSynth for advanced video processing. The video and audio encoders are implemented in a plug-in style, enabling users to add their own compiled, optimized CPU architectures for increased speed. This modular design ensures that the encoder remains adaptable and expandable, allowing for the addition of new and future encoding technologies. Internet Friendly Media Encoder also supports hardware acceleration from Intel, AMD, and NVidia for encoding in H264, H265, and AV1 formats.

SubtitleCreator allows you to create new subtitles for your DVD's. It has a Wizard interface, advanced synchronization features, DVD preview, and a simple WYSIWYG editor. The latest version even has support for Karaoke.

With Visual AVI FourCC Changer you can change the FourCC code in AVI files. FourCC code in AVI format is an identifier that indicates which codec is to use for decompression and display the AVI file. Change the FourCC code is only useful if you want to use the AVI file with a slightly modified codec, which uses the same compression algorithms. Warning, a wrong AVI FourCC Code may make it unusable!

Open source video/audio converter GUI based on FFmpeg (included) Works natively for Windows and Linux (with mono-complete installed) Batch convert audio/video collection to H.264 or H.265 HEVC AAC/MP3, etc. Transcode MKV to MP4 or MP4/M4V to MKV in 1 minute. Rotate video Resize video Extract audio from movie clip Extract specific part of video/audio file Convert various audio files to MP3 or AAC Select audio stream to encode with video Add subtitle stream Easily create conversion tasks Pause/resume encoding queue Play files Record AV streams from Internet (Record tab) FFmpeg command is exposed so FFmpeg command is fully editable 64-bit version is now default. 32 bit and XP version as separate downloads For more details on usage, please check README Short video demonstration: https://user-images.githubusercontent.com/10812743/103661971-a568b900-4f6f-11eb-8c11-ac92ea41944b.mp4 NOTE: Windows will warn you about security. Scan then click "Run anyway

MeGUI简体中文版. This is the MeGUI Chinese Simplified Edition! MeGUI is the most comprehensive GUI based ISO MPEG-4 solution. It suports MPEG-4 ASP (xvid), MPEG-4 AVC (x264), AAC, MP2, MP3, Flac, Vorbis, AC3 audio and various common containers support (MP4, MKV, AVI, M2TS). The English original edition: http://sourceforge.net/projects/megui/ Email:keith70huan@gmail.com

Vobmerge.NET is a project for joining vob. It merge several vob files in one large vob(mpeg) file, for then easily using it in another video project.

OnionMedia is a free video and audio file converter and downloader that works with ffmpeg and yt-dlp. It supports a huge amount of formats and codecs and is open source on GitHub.

The most advanced downloader & converter tool that combines the power of leading open-source technologies under an intuitive GUI. Download videos, Audio, from 10000+ of sites, and also files from any platform with advanced format conversion capabilities. Features a built-in browser with JavaScript injection support that remembers logins while maintaining complete privacy. Five powerful tabs streamline your workflow: Home tab for pasting URLs, channels, playlists, and direct search; Browser tab for seamless web navigation; Downloads tab with resume/cancel support and download history; Utilities tab offering lossless conversion for all file formats plus URL analysis tools; Settings tab for proxy configuration, search limits, download engine selection, and advanced customization. Experience lightning-fast downloads, universal format support, and privacy-focused browsing in one revolutionary application. Perfect for content creators, researchers, media enthusiasts and anyone who demand.

A multimedia framework written in C# that wraps most of the DirectShow API and includes several useful Windows Forms controls. It differs from DirectShowLib in that MediaFramework tries to take the burden of COM interop off the developer.

MCEBUDDY HAS NOW MOVED TO http://www.mcebuddy2x.com Convert, Shrink and Remove Ads for Your Windows Media Center MCEBuddy takes your video recordings and REMOVES COMMERCIALS and Advertisements while converting your recordings into formats that are usable on other systems and portable devices. It does all of this automatically in the background with a minimum of fuss and little technical knowledge required. Converts from WTV, DVR-MS, TS, MPEG and many other formats. Converts to MP4 , AVI, MKV, portable devices and others. Removes Commercials. Converts in the background at scheduled times. Very easy simple user interface for basic users and an advanced options interface for power users to tweak the quality, volume, trim videos, extract subtitles, schedules, custom file renaming, eMail notifications, downloading show information from the internet, selecting audio language and many more features.

This is a specialised utility that works with the astronomical digital video (ADV) standard (http://tech.groups.yahoo.com/group/adv-standard/) and converts individual video frames to FITS files. ADV files can be recorded by devices such as the Astronomical Digital Video System (ADVS) - http://www.astrodigitalvideo.com.au/

MFM operates with audio/video files supported by taglib-sharp. It facilitates metadata and conversion operations. Support for iPod/iPhone video conversion is significant. Splits album file into track files using CUE

Subtitles conversion command-line utility. Supports 66 subtitles formats.

An "easy" video conversion tool GUI based on mencoder. Written in C#, using GTK, Easy Video Converter is suitable for Linux, Windows and Mac Osx.

Graphic User Interface for Movie Thumbnailer and FFMpeg command line program. Include mtn and FFMpeg binaries and related libraries for windows as redistribution. FFMpeg GUI develop is intended for simplifying video encoding - editing. Choose your version in files section. Version for XP can't installed on Windows 8 (library for image preview compatibility problem in mtn section). My goal is write programs that needn't user guide (programs intuitive oriented) except for specific some indications, so you may download updated README.txt file in files section. In ffmpeg section: some option are enabled if video or audio codec isn't set for copy stream.

TiVo.Net is a windows service that will auto-transcode files on the fly to your TiVo. It accepts any files that ffmpeg can transcode.

A package of loosely-coupled tools to assist fan conventions, and similar events, with ripping, encoding, and playing DVDs in unattended theater rooms. Emphasis on scale (100s of DVDs), efficiency, batch operations, and picture quality. For Windows.

A simple and easy to use video converter for converting video files to MP4. Conversion is done using FFmpeg. `libx264` and `aac` are used as output video and audio converter to achieve lower output filesize.

The BroadClip Agent is PVR software directed at mobile devices. The software allows for the recording and transcoding of live broadcast video. It levearages DirectShow.Net. See www.broadclip.com for general product information.

A set of Windows based tools, initially for the purpose of production of CableLabs compliant MPEG-2 Transport Streams.

Prepare video files for DVD Authoring. Converts AVI/MPEG to the strict DVD contraints. Intended for use along side of DVD Styler for creating your own DVD compilations (though not affiliated with DVD Styler).

This program helps users convert their personal DVDs to a format that they can just stick on their 5th generation iPods to watch. Este programa ayuda a usuarios convertir DVDs personal a un formato que es compatible con sus iPods de la generación cinco.

DVRBox allows you to edit dvr-ms files and convert them to xVid or x264. This is an all-in-one solution that will take you from a dvr-ms recording to an edited xVid or x264 format avi file.