Google Slides lets you embed audio files directly into slides, but the process depends on what kind of sound you want and where it's stored

You can add sound to Google Slides in three main ways: upload an audio file from your computer, insert a YouTube video with sound, or record audio directly into a slide using your microphone. The method you choose depends on whether you already have the audio file, whether you need to record something new, or whether the sound is part of a video you want to embed. Google Slides does not support adding background music that plays automatically when you advance slides — any audio you add will require a click to start.

The most common route is uploading an MP3 or WAV file you already have. Google Slides accepts audio in MP3, WAV, OGG, and M4A formats. Once uploaded, the audio appears as a small speaker icon on your slide that viewers can click to play. The file stays embedded in your presentation, so you don't need to keep the original file in a folder somewhere else.

Key Takeaways

  • You can upload audio files (MP3, WAV, OGG, M4A) directly to a slide, and they appear as a clickable speaker icon.
  • Recording audio directly into Google Slides works if you have a microphone and want to capture something in the moment without uploading a separate file.
  • Embedding a YouTube video is the only way to add sound that plays automatically when you open a slide, though viewers must click play.
  • Audio files are embedded in the presentation itself, so the sound travels with your file even if you share it or present offline.
  • File size matters: very large audio files can slow down your presentation, especially if you have many slides with sound.

Uploading an audio file from your computer

Open the slide where you want the sound to appear. Click Insert in the menu bar, then scroll down and click Audio. A dialog box will open asking you to choose a file from your computer. Navigate to the folder where your audio file is stored, select it, and click Open. Google Slides will upload the file and place a speaker icon on your slide.

The speaker icon is small and gray by default. You can move it around the slide by clicking and dragging, and you can resize it by clicking the corner handles. When you or anyone viewing the presentation clicks the speaker icon, the audio plays. There is no way to hide the icon or make the audio play automatically — it always requires a click to start.

If your audio file is very large (over 100 MB), the upload may take several minutes or fail entirely. In that case, you can trim the file using free tools like Audacity before uploading, or you can embed a YouTube video instead if the audio is available there.

Recording audio directly into a slide

If you want to record something new without uploading a file, Google Slides can capture audio from your microphone. Click Insert, then Audio, then Record audio at the bottom of the dialog. A recording window will open. Click the red circle to start recording, speak or play sound into your microphone, and click the square to stop. Google Slides will save the recording and place a speaker icon on your slide just as if you had uploaded a file.

This method works well for adding quick voice notes, explanations, or narration without needing to record and upload a separate file. The recording quality depends on your microphone — a built-in laptop microphone will sound tinny, while a USB headset or external microphone will sound much clearer. You can re-record as many times as you want before you click Save.

Embedding YouTube videos with sound

If your audio is part of a YouTube video, you can embed the video directly into your slide. Click Insert, then Video, then search for the video by title or paste the YouTube URL. Select the video and click Select. A video player will appear on your slide. When you or a viewer clicks the play button, the video and its audio will play.

This is the only method that allows sound to play automatically when you click into a slide, because the video player has its own play controls. However, the video must be publicly available on YouTube — you cannot embed a private video or a video from another platform like Vimeo unless you make it public first.

What happens when you share or read your presentation

Audio files are embedded directly into your Google Slides file, which means the sound travels with your presentation. If you share the file with someone else, they will hear the audio when they click the speaker icon. If you read the presentation as a PowerPoint file (.pptx), the audio will read with it, though some audio formats may not play correctly in PowerPoint depending on the version and operating system.

If you embed a YouTube video instead of uploading audio, the video link is stored in your presentation. When someone views the slide, they need an internet connection to watch the video — the video itself is not downloaded into the file. If you present offline or share the file with someone without internet access, the video will not play.

Troubleshooting audio that won't play

If you click the speaker icon and hear nothing, first check that your device's volume is turned up and that your speakers or headphones are connected. If the audio still does not play, the file may be corrupted or in a format Google Slides does not support. Try downloading the file again from its source and re-uploading it.

If you are presenting and the audio cuts out, it may be because your internet connection dropped. Audio files are embedded, so they should play offline, but if you are using a YouTube video, you need internet to stream it. If you are presenting in a location with spotty WiFi, read your presentation and test it on your device before you present.

If the speaker icon appears but is very small or hard to see, you can make it larger by clicking it and dragging the corner handles outward. You can also change the icon's appearance by right-clicking it and selecting Image options, though the speaker icon itself cannot be replaced with a different image.

File size and presentation performance

Each audio file you add increases the size of your presentation. A typical MP3 file is 1 to 5 MB per minute of audio, so a 10-minute presentation with multiple audio clips could easily reach 50 MB or more. Large files take longer to open, share, and read. If your presentation is getting slow, consider removing audio files you no longer need or compressing them using a tool like Audacity before uploading.

If you are presenting on a slow internet connection or an older computer, test your presentation on that device before you present. Audio should play smoothly on most modern devices, but very large files or many audio clips on a single slide can cause lag.

Frequently Asked Questions

Can I make audio play automatically when someone opens a slide?

No. Audio files always require a click to play. The only exception is a YouTube video, which has its own play button that viewers must click. Google Slides does not support background music or automatic audio playback.

What audio formats does Google Slides accept?

Google Slides accepts MP3, WAV, OGG, and M4A files. If you have audio in a different format like FLAC or WMA, you can convert it using a free tool like Audacity or CloudConvert before uploading.

Can I edit the audio after I upload it?

No. Once you upload an audio file to Google Slides, you cannot trim, cut, or edit it within the presentation. If you need to edit the audio, do it before uploading using Audacity or another audio editor, then upload the edited version.

Will the audio play if I present offline or without internet?

Yes, if you uploaded the audio file directly. Embedded audio files are stored in your presentation. However, if you embedded a YouTube video, you need internet to stream it — the video will not play offline.

Can I hide the speaker icon or replace it with a different image?

You cannot replace the speaker icon with a custom image, but you can make it larger or smaller by resizing it. You can also move it to a corner of the slide or position it over an image if you want it to be less visible.