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srt-align is a lightweight, open-source command-line utility developed by DarkfullDante that synchronizes SubRip subtitle files to the timing of an accompanying video without altering the original media. Designed for broadcast editors, localization teams, and home-theater enthusiasts who receive out-of-sync captions, the program analyzes key speech cues in the soundtrack and automatically shifts every subtitle cue forward or backward by a uniform offset, eliminating the tedious manual entry of time codes. Typical workflows include re-aligning television rips whose commercial breaks have been removed, correcting drift caused by variable frame-rate conversions, or matching subtitles extracted from a different release of the same film. The tool is distributed under a permissive license and is packaged as a single portable executable for Windows, macOS, and Linux, requiring no external runtime beyond a standard FFmpeg installation for audio decoding. Version 0.6.1, the first and therefore current release, accepts .srt input together with any common video container, detects the optimal alignment point within seconds, and writes a new subtitle file whose cues are shifted by the calculated millisecond offset; users may optionally specify a manual shift or restrict analysis to a chosen chapter. Because the application operates solely on text timing data, it leaves video, audio, and styling untouched, ensuring compatibility with downstream encoding pipelines and streaming platforms. srt-align is available for free on get.nero.com, with downloads provided via trusted Windows package sources such as winget, always delivering the latest version and supporting batch installation of multiple applications.
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