Alternatives to Subtitle Composer

An open-source KDE editor for text-based subtitles with a waveform view and video preview. The listings below can replace it for an important use case. Each note says what changes if you switch.

The original

Replacements

Listings that take over the same core job as Subtitle Composer.

  • Subtitle Edit

    Creates, retimes, translates and fixes subtitles, with a waveform so you can see where the speech is.

    Subtitle Edit adds a macOS build and supports over two hundred formats, with speech recognition, translation and OCR for image-based subtitles alongside its waveform view.

  • Aegisub

    A free, open-source cross-platform editor for creating, timing and styling subtitles.

    Aegisub runs on Windows, macOS and Linux under a BSD license and focuses on precise timing and detailed styling, though its interface takes time to learn.

  • Jubler

    An open-source subtitle editor for creating, editing, timing and converting text-based subtitles.

    Jubler is AGPL-3.0 licensed for Windows, macOS and Linux, supporting more than 20 formats with a waveform, quality validation and command-line batch tools.

  • Gaupol

    An open-source editor for creating, editing and translating text-based subtitle files.

    Gaupol is an open-source text subtitle editor aimed mainly at Linux desktops, with translation tools and the aeidon library, but it has no Windows build listed.

Similar software

Related functionality, not a direct replacement.