SubtitleTools

SubtitleTools

SubtitleTools is open-source software for editing subtitles and translating text. It supports many subtitle formats and provides features like spellcheck, translation, adjusting timing, and editing text and styles.
SubtitleTools image
subtitles editing timing translation text spellcheck styles

SubtitleTools: Open-Source Subtitle Editor and Translator

Open-source software for editing subtitles and translating text, supporting multiple subtitle formats with features like spellcheck, translation, timing adjustment, and text styling.

What is SubtitleTools?

SubtitleTools is a free, open-source application for working with subtitle files. It supports opening and editing subtitles in popular formats like SRT, ASS/SSA, and VTT. Some key features include:

  • Translating subtitles using integrated machine translation or translation memories
  • Spellchecking subtitle text in multiple languages
  • Adjusting subtitle timing to synchronize with video better
  • Editing text, styles, colors, positions, and other attributes
  • Batch operations for handling multiple files
  • Live preview with video playback to check edits
  • Import/export between formats
  • Supports integration with Google/DeepL for improved translations

SubtitleTools provides a convenient way for both translation professionals and amateur subtitlers/fansubbers to create, fix, adapt, and improve subtitles for videos. Its focus is providing automation features like bulk machine translation alongside fine-grained manual editing and Quality Assurance capabilities. An intuitive UI with previews makes it accessible for all users. Being open source allows community contributions to continue enhancing it.

SubtitleTools Features

Features

  1. Editing subtitles
  2. Translating text
  3. Supporting many subtitle formats
  4. Spellcheck
  5. Adjusting timing
  6. Editing text and styles

Pricing

  • Open Source

Pros

Open source

Free

Good features for editing and translating

Cross-platform

Cons

Limited styling options

No video preview

Fewer features than paid alternatives


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