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About SmartSub

Video Subtitle Master is a powerful desktop application for batch generating subtitles for videos and translating them into other languages. This project is an enhanced version of the open-source VideoSubtitleGenerator, redesigned as a user-friendly client tool. This application retains all the features of the original VideoSubtitleGenerator command-line tool, with the following enhancements: - Graphical user interface for easier operation - Source and target language subtitle files are saved in the same directory...

What's new in 3.2.0

feat - 内置 whisper.cpp 引擎全新细粒度时间轴：基于 Silero VAD 智能分段并设定最小显示时长，字幕断句与时间对齐更自然 Brand-new fine-grained timeline for the built-in whisper.cpp engine: Silero VAD based segmentation with a minimum display duration, for more natural subtitle timing - 字幕效果档位：按使用意图自动派生复杂识别参数，几乎无需手动调参 Subtitle outcome presets: complex recognition parameters are derived from your intent, with little manual tuning - 新增免费翻译源，支持多源自动回退与限速，翻译更稳定、更省成本 Added free translation sources with multi-source fallback and rate limiting, for more reliable and lower-cost translation - 翻译支持批量并发配置，大批量字幕翻译速度更快 (感谢 @nightt5879 #344) Configurable translation batch concurrency for faster large-batch translation (thanks @nightt5879 #344) - 任务运行期间阻止系统休眠，长任务不再因息屏 / 休眠中断 (感谢 @nightt5879 #338) Prevent system sleep while tasks are running, so long jobs are no longer interrupted (thanks @nightt5879 #338) - 翻译服务商下拉按配置状态分组，已配置项优先展示，选择更高效 (#359) Translation providers are grouped by configuration status with configured ones shown first, for quicker selection (#359) perf - 首屏空闲预取页面与语言包，页面切换更顺滑、几乎无加载等待 (#359) Idle-time prefetch of pages and language packs, for noticeably smoother and near-instant navigation (#359) fix - 修复取消任务时流程阻塞、进行中的翻译请求未及时中止的问题 (感谢 @nightt5879 #353) Fixed task cancellation hanging and in-flight translation requests not being aborted (thanks @nightt5879 #353) - 增强 AI 翻译 JSON 响应解析的健壮性，减少因返回格式异常导致的失败 (感谢 @nightt5879 #345) Hardened AI translation JSON response parsing to reduce failures caused by malformed responses (thanks @nightt5879 #345) - 兼容误命名的字幕文件，自动探测其真实格式 (感谢 @nightt5879 #342) Detect the real format of mis-named su...

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