Audio·Video tool
Remove audio from video
Create a separate video file that keeps the video but removes the audio track.
Processing result
Share result
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Remove audio from the video in the browser
Public example includes video and sound. Click remove sound to include only the video track in the re-encoded result. The result description will show ‘Audio track not available’, and you can verify by playing a new file before saving.
Re‑encode with a new video
Does not upload selected file to the server. Saved in a new container and codec, so input format, quality, and file size may vary. Compare the estimated size with the original and verify directly by playing the result
The stream includes only the video track. Since the video is re-encoded, the original quality, metadata, and codec are not preserved.
Limitations on files and devices
Up to 100MB·Works on 60-second videos. Detects the storage format supported by the browser and outputs as MP4 or WebM. Keep the tab open during encoding. Some files may not be processed due to device memory and codec support.
Frequently Asked Questions
Do you only reduce the playback volume of the existing video?
No. Audio tracks are not added to the stream that forms the result. The video is also encodedใหม่ in the browser, so some quality or metadata may differ.
Will the original file change after the sound is removed?
The original file is not modified. Creates a new video excluding the audio track and saves it as a separate file.
Will you send the video and file name to the server?
Not sent. The selected video and file name are used only in the browser.
Calculation criteria and reference materials
- MDN — MediaRecorder
Re-encoding the capture stream using the browser’s supported container and codec. The supported format and output quality depend on the browser.
- MDN — Canvas captureStream
Draw the current video frame onto the local Canvas and capture it as a video stream for browser recording.
- WebKit — MediaRecorder API
Describes Canvas·Web Audio stream recording and format detection in WebKit implementation. Current device codec support is detected during execution.
Verification of calculation criteria: · Calculation·verification principles · Report errors