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No sound on my capcut web export

CapCut

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Nanette Greene

Topic starter

Oct 10, 2025 4:44 pm

(@Nanette Greene)

Joined: 2 days ago

I made a video using tradingview screen record like i have done before, and downloaded it as webm, then uploaded to capcut, edited it there in capcut web with sound playing perfectly fine and yet after export, there is no sound? I have downloaded stuff from tradingview before and edited on capcut with no issues, so why is it when i export on web, there is no sound all of a sudden, first time this is happening to me on using capcut.

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Posts: 783

CapCut Edit

Admin

Oct 12, 2025 3:37 pm

(@admin)

Member

Joined: 2 years ago

Hi,

What you have explained has actually become a fairly common issue with CapCut Web exports in the past few weeks. Let us go step-by-step to narrow down the cause and fix it.

Likely causes

CapCut Web export bug — Recent updates have introduced issues where audio tracks are dropped during export, especially with .webm input files or layered edits.
Muted / unlinked audio track — Sometimes after trimming or detaching the sound, the web editor desyncs or silences it during export even if it plays in preview.
Format mismatch — .webm files from TradingView use Opus audio codec, and the CapCut Web export encoder occasionally fails to render that codec properly.
Server-side encoding glitch — The export process in the cloud sometimes “forgets” to mix in secondary tracks (music, voiceover, or imported audio).

Step-by-Step fixes:

1. Confirm if CapCut actually rendered silence

After export, play your video in multiple players (e.g., browser, VLC, phone).
→ If sound is missing everywhere, it’s not a player issue — it’s the export.
→ If sound works in one player but not another, the codec in the exported file may be unsupported.

2. Try re-exporting in a different format

CapCut Web lets you pick:

Resolution & Format → choose MP4 (H.264) instead of WebM.
Do not minimize file size — the “compressed” export sometimes strips audio.
Then export again — audio often comes back.

3. Reimport the source video and convert it first

Before reuploading to CapCut:

Convert your TradingView .webm clip to .mp4 with H.264 + AAC audio using a converter like:
- cloudconvert.com
- or VLC → Convert/Save → MP4 (H.264 + AAC)
  Then upload that .mp4 to CapCut Web, re-add your edits, and export again.

This usually fixes it, because CapCut’s cloud encoder handles MP4 audio properly.

4. Try exporting from a different platform

If you have CapCut Desktop or Mobile:

Open your CapCut Web project on Desktop (via cloud sync)
Then export it from there.
This uses a different encoder — often works perfectly when Web export doesn’t.

5. Clear cache or use Incognito mode

Try:

Signing out → signing back in.
Using an incognito window to open https://www.capcut.com/editor .
The issue can come from cached session data on CapCut’s web player.

If nothing works

It’s likely a temporary server-side export bug on CapCut Web.
You can:

Report the issue via the “Feedback” → “Report a problem” option in the top-right of the web editor or email the CapCut developers to fix it.
Include your project link and mention that sound works perfectly in preview but disappears after export as they track this issue actively.

Quick Summary

Cause	Fix
WebM audio codec bug	Convert to MP4 before upload
CapCut Web encoder glitch	Export as MP4 (not compressed)
Cached web session	Reopen in Incognito
Persistent bug	Export via CapCut Desktop / Mobile

Below is a complete step-by-step workflow that ensures your TradingView screen recordings (or any .webm videos) always export with sound intact.

We aim for:

Keep the TradingView sound
Make it export reliably from CapCut Web
Prevent the “silent export” bug

STEP 1: Convert TradingView `.webm` → `.mp4` (Before Uploading)

CapCut Web drops the Opus audio track in .webm files, so you’ll first convert it to a universally safe format.

Option 1: Use CloudConvert (Recommended)

Go to: https://cloudconvert.com/webm-to-mp4

Settings to choose:

Setting	Value
Format	MP4
Video Codec	H.264
Audio Codec	AAC
Audio Bitrate	128 kbps or higher
Frame Rate	Keep original
Resolution	Keep original

Then download the converted MP4 file — this version will work 100% fine in CapCut.

Option 2: Use VLC Media Player (Offline)

If you prefer local conversion:

Open VLC → Media > Convert / Save…
Add your .webm file.
Click Convert / Save.
Under Profile, select → Video - H.264 + MP3 (MP4)
Click the wrench icon, then ensure:
- Encapsulation = MP4/MOV
- Video codec = H.264
- Audio codec = AAC
Choose destination → Click Start.

Now you’ll have an MP4 file ready to import into CapCut.

STEP 2: Upload to CapCut Web

Go to https://www.capcut.com/editor
Upload your converted MP4 file.
Edit normally — trim, add text, overlays, etc.

The sound should play normally in preview — if it does, proceed to export.

STEP 3: Export Settings (Avoid Compression)

Before clicking Export:

Setting	Recommended Value
Format	MP4
Resolution	Same as source (usually 1080p or 1440p)
Frame rate	30 or 60 FPS (match input)
Compression	❌ Do NOT choose “Compressed” — it strips audio
Volume	Ensure track volume ≠ 0%

Then click Export → Download.

STEP 4: Verify Exported Video

Play your downloaded file in:

VLC Player (desktop)
Chrome browser (drag file in)

If both play sound → success.
If sound missing → CapCut Web export server glitch (see Step 5).

STEP 5: Optional — Bypass Web Export Bug

If audio still disappears after export despite conversion:

Open your project in CapCut Desktop App (using the same account).
Go to Cloud Projects → open the web one.
Export locally from desktop.

That version uses a different encoder and always includes sound.

For Frequent TradingView Edits

If you’re often editing TradingView recordings:

Install a browser extension or screen recorder that saves MP4 directly (with AAC audio).
Examples:
- OBS Studio (choose MP4 + AAC in settings)
- Screenity Chrome extension (record in MP4)
- Loom (downloads as MP4)

This completely avoids .webm headaches.

Quick Checklist Summary

Step	What to Do	Why
1	Convert `.webm` → `.mp4 (H.264 + AAC)`	Avoid codec issue
2	Upload MP4 to CapCut Web	Ensure preview audio
3	Export as MP4, not compressed	Prevent audio strip
4	Verify playback	Confirm fix
5	If fails, export via desktop	Bypass encoder bug