Jubler

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

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About Jubler

Jubler is a Java subtitle editor that handles more than 20 formats, including SRT, ASS/SSA, WebVTT, MicroDVD, TTML and YouTube subtitles. It shows VLC-based video playback with a frame preview, audio waveform and a timeline of draggable subtitle blocks, and supports two-point synchronization.

Editing tools include time shifting, frame rate conversion, splitting and joining, spell checking and regex find and replace. Quality validation checks against configurable rules and TED guidelines, a translation mode uses Azure Translator, and command-line tools allow batch processing.

Strengths

  • Supports more than 20 subtitle formats
  • Video preview, waveform and draggable timeline
  • Quality validation with TED guideline checks
  • Command-line tools for batch work

Limitations

  • Text-based subtitles only
  • Translation mode relies on Azure Translator
  • Depends on donations to continue

Details

Pricing
FreeFree and open source under the AGPL-3.0, funded by donations.
License
AGPL-3.0
Developer
The Jubler contributors
Platforms
Windows, macOS, Linux, Command line
How it runs
Downloadable app
Account
Not required
Works offline
Yes
Best suited for
Timing, fixing and converting subtitle files against the video
Categories
Video editing
Last verified
Added
Provenance
Facts checked against the developer's own pages and store listings, 1 sources on file.

Alternatives to Jubler

Compare all

Software that can replace Jubler for an important use case, and what changes if you switch.

  • Subtitle Edit

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

    Subtitle Edit is MIT licensed with a waveform and spectrogram, over two hundred formats, OCR for image subtitles and built-in speech recognition, though Windows needs 10 22H2 or newer.

  • Aegisub

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

    Aegisub is BSD-licensed and cross-platform, focusing on precise timing and detailed styling for typesetting, but it has no command-line batch tools.

  • Subtitle Composer

    An open-source KDE editor for text-based subtitles with a waveform view and video preview.

    Subtitle Composer is an open-source KDE editor with a waveform and side-by-side translation view, available for Linux and Windows but not macOS.

  • Gaupol

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

    Gaupol is an open source text subtitle editor with translation tools and the aeidon library, but it is mainly aimed at Linux desktops.

Similar software

Related functionality, not necessarily a direct replacement.

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