Free Online Video Compressor — Fast, Private, No Uploads
Compress videos for WhatsApp, Email, Instagram Reels, YouTube Shorts, TikTok and more. 100% private - no uploads. Fast browser-based video compression using ffmpeg.wasm.
Shutter Encoder - Encoder|Converter video FREE PC|Mac
Source-code: https://github.com/paulpacifico/shutter-encoder
Eldecard - StreamEye
Analysis of the stream structure and down to macroblock structure for inspection of codec parameters. Video quality test software.
Telestream Switch - Multiformat video player, inspection and conversion tool
Switch multiformat video player allows you to play a variety of web and professional media formats, inspect and adjust the properties of the file and export a new file. Download and try for free.
NVIDIA Video Codec SDK
A comprehensive set of APIs including tools, samples, and documentation for hardware accelerated video encode and decode on Windows and Linux.
ExSqueezeMe — Professional Video Compression for macOS
macOS video compression, format conversion, and reframing.
GStreamer
FFmpeg
VidCoder
VidCoder is an open-source DVD/Blu-ray ripping and video transcoding application for Windows. It uses HandBrake as its encoding engine.
HandBrake - Video transcoder
HandBrake is an open-source, GPL-licensed, multiplatform, multithreaded video transcoder.