AVI to MKV Converter

This tool converts AVI video files into MKV containers with optional re-encoding controls. It is designed for professionals and enthusiasts who need MKV outputs for playback, editing systems, or archival workflows. Conceptually, the process decouples the source media from its container by optionally re-encoding video and audio streams while preserving sync and duration. Core features include selectable video codecs (H.264, H.265), audio codecs (AAC, AC3, Opus), adjustable bitrates, and frame rate or resolution modifications. Advanced options allow two-pass encoding for improved quality at a target size. The service validates input compatibility, applies sane defaults when options are omitted, and reports results with a downloadable MKV file and optional logs. Use cases include rescuing legacy AVI footage, consolidating clips into a single MKV for streaming or editing, and producing archival copies with predictable file sizes. The approach emphasizes reliability, reproducibility, and clear error reporting. Users benefit from batch handling, predictable MKV outputs, and control over compression and quality without introducing UI-specific constraints or branding.