Add and edit automatic captions (subtitles)

Add automatic captions (subtitles) to your mmhmm videos to share them with a larger audience, including deaf or hard-of-hearing viewers and viewers who speak a different language.

Turn on automatic captions

In mmhmm In a web browser
  1. Open mmhmm on your computer. Click the Presentations tab at the top of the start screen to open the Presentations library.
  2. Use the search box to search for your video.
  3. All presentations and videos that match your search will appear in the list under the search box. Presentations that contain videos matching your search will have a video icon [▶] under the presentation name.
  4. Click the presentation name to show the list of your videos created in that presentation. Then, click Edit under the video title to open your video in the video editor.

    mmhmm find and edit videos.png
  5. In the video editor, click Captions from the menu on the left to generate captions. This will automatically generate captions in the native language spoken in the video. See which languages are supported for automatic captions.

    mmhmm captions button video editor.png

Edit automatic captions

Automatic captions are not always 100% accurate and may occasionally need to be edited to fix incorrectly transcribed words or remove filler words or sounds. Select a method below to learn how to edit automatic captions.

In the mmhmm video editor
  1. In the video editor, click the Captions button.
  2. The Captions editor will open. Hover over the specific subtitle you want to edit and click it to make an edit.
    • You can watch the part of the video related to the subtitle you're editing in the video player on the right side of the editor.
  3. When you're done editing, click anywhere outside the text box. You'll see a Captions updated successfully message appear at the bottom of your screen.

mmhmm edit a caption.png

 

To change the language label of your captions, click the language drop-down menu at the top of the editor and select a new language label.

Note: This will not change the language of the captioned text. It will only set the label of the language that viewers see in the caption options in the video player. To upload a set of captions in a different language, use the SRT file method outlined below.

change-automatic-caption-language-label.png

 

You'll see a Language updated successfully message appear at the bottom of your screen.

 

In a text editor with the SRT file

You can also edit your captions in a text editor on your device by downloading and editing the generated SRT (SubRip Text) file.

  1. In your web browser, go to mmhmm home > My videos. You may be prompted to sign in with your mmhmm account.
  2. Click the video you want to edit captions for.
  3. Click the More ⋯ icon and select Download SRT file.

    mmhmm

  4. Open the SRT file in a text editor of your choice (e.g. TextEdit on Mac or Notepad on Windows).
  5. Edit the captions in the SRT file. You can edit the caption text, change the duration of the caption, and change the order in which the captions appear.
    • To keep the functionality of the SRT file, be careful not to remove the line number or time stamps of each caption.

    edit-srt-file-textedit.png
  6. When you're done with your edits, save the SRT file to your device.
  7. Go back to the mmhmm video details page. In the Captions section, click the More ⋯ icon and select Upload SRT file.
  8. Click Choose file for import.
  9. Select the SRT file on your device, then click Open.

     

  10. To change the language label of your captions, click the language drop-down menu and select a new language label.

    • This will not change the language of the captioned text. It will only set the label of the language that viewers see in the caption options in the video player.
  11. Click Import. You'll see a Captions updated successfully message appear at the bottom of your screen.
  12. In the top right, click Save.

Find and replace captions quickly

If you’re working with a lot of text and need to search and replace a word or a phrase, use the find and replace feature.

  1. Click the 🔍 magnifying glass icon at the top of the Captions editor
  2. In the Find box, type the text you want to search for. All text that matches in your captions will be highlighted. Use the left and right buttons to move to the next location where the matching text appears.
  3. In the Replace with box, type the text you want.

  4. Select Replace to change the text for that specific location, or select Replace all to change the text for all matching text.

    mmhmm find and replace captions.png
  5. To specify only upper or lowercase in your search, click the filter button > Match case. To specify the exact spelling you want to find, click Whole word.

    mmhmm captions match case.png
  6. You'll see a Captions updated successfully message appear at the bottom of your screen.

Supported languages for automatic captions

mmhmm can automatically generate captions in the languages listed below.

Note: mmhmm can currently only automatically generate one set of captions at a time. The language used for automatic transcription is determined by the speaker's main language in the video.
  • Afrikaans
  • Arabic - Gulf, Modern Standard
  • Chinese - Simplified, Traditional
  • Danish
  • Dutch
  • English - American, Australian, British, Indian, Irish, New Zealand, South African
  • French
  • French (Canadian)
  • Farsi
  • German
  • German (Swiss)
  • Hebrew
  • Hindi
  • Indonesian
  • Italian
  • Japanese
  • Korean
  • Malay
  • Portuguese (European)
  • Portuguese (Brazilian)
  • Russian
  • Spanish (European)
  • Spanish (South American)
  • Swedish
  • Tamil
  • Telugu
  • Thai
  • Turkish
  • Vietnamese

Don’t see the answer to your question? If you’re having technical difficulties or want to suggest a topic for this guide, submit a support ticket or email us at help@mmhmm.app.

Was this article helpful?
We'll only contact you regarding your feedback

We use your feedback to improve our help content — thank you!