finesub is a local CLI tool for converting long-form audio into high-quality subtitles. It performs vocal separation, voice activity detection with ASR alignment, stabilization, and optional LLM-based correction or translation. Built as a managed-runtime Python package, it is ideal for developers and content creators needing offline subtitle generation from audio files.
In the CLI tools & terminal space, finesub takes a focused approach. It focuses on generating accurate, stabilized, and corrected subtitles from long-form audio files without relying on cloud services. finesub is an open-source project aimed at developers. finesub is open source under the MIT license. It ships for the command line.
finesub first shipped in 2026. Key capabilities include Vocal Separation, VAD+ASR Alignment, and Subtitle Stabilization.
Summary written by a language model from the project’s public pages.
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