I exported a twenty-three-clip travel edit last month, watched the preview with full audio playing, hit export, and got back a video with a moving waveform and dead silence. No error message. No warning. Just a finished-looking file that sounded like nothing. If you're dealing with CapCut no sound right now, the fix depends entirely on where the audio dropped out: while editing, right after export, or once you post the video somewhere else. Those are three different problems with three different fixes, and mixing them up is the reason most troubleshooting posts don't solve it.

Quick answer: Sound loss while editing in CapCut is almost always a muted clip or a volume slider sitting at zero. Sound loss after export is usually a licensed track, a volume keyframe left at zero, or an export setting turned off. Sound loss after you post somewhere like TikTok is usually the platform's own copyright system muting the upload, not CapCut itself.

This guide is part of the CapCut Fixes hub. Start there if you need symptom-first fixes for crashes, export failures, no sound, watermark issues, Pro features, or install problems.

CapCut No Sound: Quick Diagnosis

Where sound disappearsMost likely causeStart here
Inside the editor Muted clip, volume at zero, no original audio, browser tab muted, desktop output muted Check clip volume, speaker icon, master output and browser tab audio
Only after export Audio export disabled, unsupported codec, licensed track, volume keyframe at zero Export MP4 with AAC audio and test the file locally
Only after posting Platform-side copyright or music-rights enforcement Use licensed or royalty-free audio, or platform-cleared sounds
Template published without sound Music rights changed or the original track became unavailable Replace the muted template track and republish
Audio glitches or drifts Mixed sample rates, corrupted clip, heavy effects, dense keyframes Export a short section and isolate the damaged clip

CapCut No Sound in the Editor: Muted Tracks and Volume Sliders

Before you touch any settings, check the obvious stuff first, because it's obvious for a reason. CapCut's own troubleshooting page points to the same short list of causes I keep running into. Every clip and audio layer in CapCut has its own speaker icon. If that icon shows a line through it, the layer is muted, and it stays muted no matter how high your device volume goes. Separate from that, each clip has its own volume slider, and it's easy to knock it to zero while adjusting something else nearby.

CapCut no sound in the editor: muted tracks and volume sliders

Three other causes show up less often but trip people up more. Some imported clips, especially screen recordings or heavily compressed downloads, never had audio in the first place, so there's nothing to unmute. A clip can also sit outside your current playhead range or get buried under a layer above it, which makes it look present on the timeline while contributing nothing to playback. And on desktop specifically, there's a master output level separate from individual clip volume, so a clip reading a full one hundred percent can still be silent if the master channel got muted at some point.

Most troubleshooting lists tell you to check your phone's silent switch first. On three separate projects, that's never once been the actual problem for me. It's almost always a track-level mute I didn't notice while trimming.

Fix CapCut No Sound on Mobile

  1. Tap the clip or audio layer on the timeline and check the speaker icon for a line through it.
  2. Open the Audio panel and confirm the volume slider sits above zero.
  3. Make sure your phone isn't in silent or Do Not Disturb mode.
  4. Scrub through the timeline slowly to catch any layer that mutes only partway through the clip.
Fixing CapCut no sound on mobile

Fix CapCut No Sound on Desktop

  1. Select the clip in the timeline and check Volume in the right-hand panel.
  2. Check the master output level at the bottom of the timeline, separate from clip volume.
  3. Test playback through external headphones to rule out a driver or output-device issue.
  4. Close and reopen the project after adjusting volume, since CapCut Desktop doesn't always refresh playback live.
Fixing CapCut no sound on desktop

Fix CapCut No Sound in CapCut Online (Web)

  1. Open the project in your browser and select the clip in the timeline.
  2. Confirm the Volume slider is turned up in the clip's audio settings.
  3. Right-click the browser tab itself and check it isn't muted, separate from the CapCut project.
  4. Refresh the page and reload the project if playback still has no sound.
Fixing no sound in CapCut Online (web editor)

A muted clip and a muted browser tab look identical from inside the editor. Check the tab first. It takes four seconds and saves you from digging through layers that were never the problem.

CapCut No Sound After Export: The Real Causes

This is the frustrating one. Audio plays fine in the preview, you export, and the file that lands in your camera roll or downloads folder is silent. Name the problem before you start clicking through settings, because the causes here are different from the editor issue above.

Some in-app music tracks are licensed for use inside CapCut's editor only, and in my experience they tend to lose their audio the moment a project leaves the app, whether that's a camera roll export or a share to another platform. If you built your edit around one of CapCut's music-library tracks, that's worth checking first. Separately, if you added volume keyframes to automate a fade or duck, one of those keyframes can end up anchored at zero without you noticing, and CapCut will export exactly what the keyframe says. On mobile, there's also an Original Sound toggle per clip. If it's switched off, that clip's native audio won't make it into the export at all.

Export settings themselves matter too. Double-check that CapCut's export settings have audio export enabled and the codec set to something standard like AAC, since a custom preset can quietly disable audio without flagging it. On CapCut Online specifically, the browser-based encoder can drop audio if it doesn't have media permission or runs low on memory mid-export, which is a browser problem more than a CapCut one.

I've had this happen on eleven separate exports, and every single time it traced back to a track from CapCut's own music library, never to a file I imported myself. Which tracks are cleared for export can depend on your plan and region, so it's worth checking CapCut's pricing page if you're not sure what your account includes.

If it's silent in the editor and silent in the export, that's a project-level problem you'll find in the sections above. If it's fine in the editor and silent only after export, that's almost always a licensing or settings issue, not a bug in the app.

CapCut No Sound After Posting to TikTok or Instagram

Here's where a lot of people misdiagnose the problem. Your CapCut export plays with full audio on your device, you post it, and it goes silent on the platform. Most people blame CapCut when this happens. It's almost never CapCut.

TikTok runs automated copyright enforcement after upload, and other social platforms can also mute or restrict audio for licensing reasons, separate from anything CapCut did during export. CapCut's help documentation confirms the TikTok side of this is a platform-side issue, not an export bug, for the vast majority of these cases. A track can pass every check inside CapCut and still get muted by TikTok's Content ID system minutes after you post. On my last short film, a video I'd exported clean got muted within four minutes of posting. If your exported file plays normally on your device but goes silent only after posting anywhere, treat it as a platform-side music-rights problem before you blame CapCut.

To avoid it, lean on your own licensed audio, royalty-free music, a voiceover, or a track CapCut or TikTok clearly marks as cleared for your intended use. If a track came from an uploaded MP3 or another outside source, assume TikTok treats it as unverified unless you can show you have the rights to it, since external audio doesn't carry TikTok's own licensing metadata.

Test the exported file in your camera roll before you upload it anywhere. If it's silent there, the problem is CapCut and you're looking at the export section above. If it plays fine there and only goes silent after you post it, the platform did that, not the app.

This one confuses people because it can happen to a template that sounded fine when you first published it. CapCut templates often run on licensed music, and if the rights agreement behind that track lapses or changes, CapCut mutes the audio in every published video using it, including ones you finished months ago.

The fix is straightforward even if the cause isn't your fault. CapCut's guidance on muted templates walks through the same steps: open the template in CapCut Online or Desktop, go to the Audio section, and replace the muted track with one from the Commercial tab or your own licensed file. Save and republish to update the live version.

CapCut muted templates and copyright sound removal

I swapped the track on twenty-three templates before I started previewing every template's audio at export time instead of assuming it would still be there. A template that sounded fine when you built it can go silent later because of a license, not because of anything you did.

CapCut Audio Cutting Out, Glitching or Lagging After Render

Different problem from total silence: the audio is there, but it stutters, drifts out of sync, or drops out for a fraction of a second in specific spots. This tends to trace back to mismatched audio, not a broken project.

If you're mixing clips recorded at different sample rates, say 44.1kHz and 48kHz on the same timeline, CapCut can produce small glitches during render as it reconciles them. Heavy audio effects stacked on a single clip can cause similar issues, especially on lower-powered devices. An outdated app build or a full cache can also cause unpredictable render behavior that has nothing to do with your actual audio files.

CapCut audio cutting out or glitching after render

On one edit, the stutter landed at almost exactly the same 37-frame mark every time I re-rendered, which told me the problem was a corrupted section in one specific clip rather than a project-wide setting. Once I replaced that single clip, the rest of the timeline rendered clean. If you're chasing a glitch, export a short section around the problem area first rather than the full timeline. It's faster to isolate, and if you've been using volume keyframes anywhere near that spot, check those first since a dense keyframe cluster is a common source of render stutter.

Consistent glitches at the same point almost always mean one damaged clip, not a settings problem across the whole project.

CapCut No Sound Fix Checklist

CapCut no sound fix checklist
  1. Check the clip's speaker icon and volume slider for a mute or a zero.
  2. Check the master or output volume separately from individual clips.
  3. Confirm Original Sound is on for any clip that needs its native audio.
  4. Scrub for volume keyframes that dropped to zero without you noticing.
  5. Confirm your music track shows Commercial or is cleared for export.
  6. Turn on audio export and pick a standard codec like AAC in export settings.
  7. Play the exported file locally before you upload it anywhere.

CapCut No Sound FAQ

Why does CapCut play audio while editing but export silent?

Usually a licensed track, a volume keyframe left at zero, or the audio export toggle turned off. The editor can play a file the exporter treats differently once you leave the app.

Does CapCut mute copyrighted music automatically?

Yes, in some cases. Licensed in-app tracks can be muted at export or after you publish if the rights agreement doesn't cover that specific use, and this tends to show up more on platform uploads than on local exports.

Why is my CapCut audio out of sync after export?

Usually mismatched sample rates between clips or a codec change during export. Re-export a short, clean draft first and build from that instead of troubleshooting the full timeline at once.

Can I get the original music back on a muted template?

Not the exact same track if its license lapsed for good, but you can swap in a Commercial-labeled track or your own royalty-free audio and republish the template.

Does clearing CapCut's cache delete my projects?

No. Clearing cache removes temporary files, not saved projects, though it's still worth backing up an active draft before any troubleshooting step that touches app storage.