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Subtitle editor for Emacs
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subed is an Emacs major mode for editing subtitles while playing the corresponding video with mpv. At the moment, the only supported format is SubRip ( .srt).


  • Quickly jump to next (M-n) and previous (M-p) subtitle text.
  • Quickly jump to the beginning (C-M-a) and end (C-M-e) of the current subtitle’s text.
  • Insert subtitles evenly spaced throughout the available space (M-i) or right next the current subtitle (C-M-i). A prefix argument controls how many subtitles to insert and whether they are inserted before or after the current subtitle.
  • Kill subtitles (M-k).
  • Adjust subtitle start (M-[ / M-]) and stop (M-{ / M-}) time. A prefix argument sets the number of milliseconds for the current session (e.g. C-u 1000 M-[ M-[ M-[ decreases start time by 3 seconds).
  • Move the current subtitle or all marked subtitles forward (C-M-n) or backward (C-M-p) in time without changing subtitle duration. A prefix argument sets the number of milliseconds for the current session (e.g. C-u 500 C-M-n C-M-n moves the current subtitle 1 second forward).
  • Shift the current subtitle forward (C-M-f) or backward (C-M-b) together with all following subtitles. This is basically a convenience shortcut for C-SPC M-> C-M-n/p.
  • Sort and re-number subtitles and remove any extra spaces and newlines (M-s). This is done automatically every time the buffer is saved.

mpv integration (optional)

  • Open videos with C-c C-v or automatically when entering subed-mode if the video file is named like the subtitle file but with a video extension (e.g. .mkv or .avi).
  • Subtitles are automatically reloaded in mpv when the buffer is saved.
  • Cursor and playback position are synchronized:
    • Playback in mpv seeks to the position of the current subtitle as the cursor moves between subtitles (~C-c ,~).
    • The cursor is moved to the currently relevant subtitle as the video is playing (C-c .).
  • Copy the current playback position as start (C-c [) or stop (C-c ]) time of the current subtitle.
  • Playback is paused or slowed down when a subtitle’s text is edited (C-c C-p).
  • Loop over the current subtitle in mpv (C-c C-l).
  • When a subtitle’s start or stop time changes, mpv seeks to the subtitle’s start time (C-c C-r).
  • Pause video playback without leaving Emacs (M-SPC).


For now, you have to install it manually. For example, copy subed/*.el to $HOME/.emacs.d/elisp/ and add $HOME/.emacs.d/elisp/ to your load-path.

(use-package subed
  ;; Tell emacs where to find subed
  :load-path "~/.emacs.d/elisp/"
  ;; Disable automatic movement of point by default
  (add-hook 'subed-mode-hook 'subed-disable-sync-point-to-player)
  ;; Remember cursor position between sessions
  (add-hook 'subed-mode-hook 'save-place-local-mode)
  ;; Break lines automatically while typing
  (add-hook 'subed-mode-hook 'turn-on-auto-fill)
   ;; Break lines at 40 characters
  (add-hook 'subed-mode-hook (lambda () (setq-local fill-column 40))))

C-h f subed-mode should get you started.


subed is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

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