subresync-app is a desktop tool for precise per-cue subtitle resynchronization. It combines neural voice activity detection, piecewise alignment, and optional ASR-based word anchors, supporting common formats like SRT and ASS. The application includes a batch processing GUI and is available as an open-source Python package.
In the Video editing space, subresync-app takes a focused approach. Accurately resynchronizing individual subtitle cues that are out of sync with video audio. It is built as an open-source project for video editors and subtitle creators. subresync-app is open source under the MIT license. The product ships for the command line and Linux.
subresync-app first shipped in 2026. Development happens publicly on GitHub with 8 commits in the last 90 days. Key capabilities include Neural VAD, piecewise alignment, and ASR word anchors.
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