Lightweight & Efficient Desktop Video Transcoding Tool
Convert MP4, MOV, MKV videos to browser-compatible formats. Based on FFmpeg engine, supports H.264, H.265, VP9, AV1 encoding, GPU hardware acceleration, batch processing, and real-time progress monitoring.
Crafted for everyday video transcoding scenarios, balancing efficiency and quality
Supports MP4, MOV, MKV input, outputs to MP4, MOV, WebM containers. Covers H.264, H.265, VP9, AV1 four mainstream encoding formats, meeting various needs from web publishing to professional editing.
Automatically detects NVIDIA NVENC, Intel QSV, AMD AMF hardware encoders. Enables multi-fold speed improvements, significantly boosting batch processing efficiency. One-click toggle, switch as needed.
Supports drag-and-drop, up to 100 files per batch. Smart parallel scheduling, automatically allocates tasks based on CPU core count, with manual parallel number setting. Global progress monitoring, auto-notification on batch completion.
CRF constant quality mode with high quality, medium, and small file size presets, plus custom slider for precise adjustment. 0-100% normalized percentage hides CRF differences across encoders, intuitive and easy to use.
Provides presets from 2160p to 480p, plus custom width/height. Lock aspect ratio button maintains original video proportions, non-standard ratios auto-scale with letterboxing to ensure the full frame is displayed.
Smart mode judges frame-by-frame, only deinterlaces interlaced frames, ensuring progressive output, resolving playback issues in Safari and other browsers. Supports forced deinterlacing and passthrough modes.
Dark theme design inspired by DaVinci Resolve, focused on creativity without eye strain
Main Interface - Task Queue & Transcoding Parameters
Settings - Output Directory, Parallel Mode, Filename Template
Output Preview - Source vs Output Technical Specs Comparison
Batch Transcoding - Multi-task Parallel Processing
Covering mainstream video encoding and container formats
Free to use, continuously updated
Windows 10/11 (64-bit)
Free to use, modify, and distribute under GPL-3.0
CM Video Transcoder is released under the GNU GPL-3.0 license. You are free to use, modify, and distribute it, but derivative works must also be open-sourced under GPL. The transcoding engine is FFmpeg (GPLv3), copyright belongs to FFmpeg developers.