sub2srt ☆

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Description:
Convert subtitles from .sub to subviewer .srt format

Type: Formula | Tracked Since: Dec 28, 2025

Links: Homepage | formulae.brew.sh

Category: Multimedia

Tags: subtitles conversion multimedia cli perl

Install: brew install sub2srt

About:
Sub2srt is a command-line utility designed to convert subtitle files from the .sub format to the SubRip .srt format. It parses the proprietary MicroDVD-style timing markers and text content, restructuring them into the widely supported, time-based SRT standard. This facilitates compatibility with modern media players and editing software that may not natively handle the older .sub container.

Key Features:

Batch processing of multiple files
Preserves original subtitle timing and text
Lightweight, single-file Perl script
Command-line interface for scripting

Use Cases:

Migrating legacy media libraries to modern formats
Fixing compatibility issues with players that don't support .sub
Preparing subtitles for use with video editing software

Alternatives:

FFmpeg – FFmpeg is a comprehensive multimedia framework that can handle subtitle conversion as part of its processing pipeline, but it is significantly heavier than the dedicated sub2srt tool.
Subtitle Edit – Subtitle Edit is a feature-rich GUI application for Windows that supports conversion between dozens of formats, offering more editing capabilities but requiring a desktop environment.

Version History

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