Quick Video Converter

A fast device-preset batch video and audio converter, multi-clip video joiner, and thumbnail contact sheet generator for Linux.
A lightweight Linux alternative to Any Video Converter for batch preset transcoding, multi-clip video merging, and audio extraction.

Key features powered by bundled FFmpeg:
- Ready-to-use device and format presets: Universal Web MP4 (H.264 + AAC FastStart), 1080p/720p Mobile MP4, Smart TV HEVC/H.265 MKV, WebM VP9, and standalone Audio extraction (MP3, Lossless FLAC, M4A AAC, Opus).
- Configurable quality tiers, sample rates, batch progress queue, and live FFmpeg command-line preview.
- Multi-Clip Video Merger / Joiner that normalizes mixed resolutions, aspect ratios, and audio streams to concatenate clips cleanly into a single MP4 or MKV video.
- Video Thumbnail Contact Sheet Generator exporting timestamped multi-tile preview grids (PNG or JPG) with container stream metadata headers.

Disclaimer: This project is an independent open-source tool and is not affiliated with, sponsored by, or endorsed by Anvsoft Inc. or Any Video Converter.