Add Audio to Videoについて
Easily add an audio track to any video file. You can choose to replace the original audio entirely or mix a new track with the existing one. Adjust the volume, set looping options, and trim the audio with precise start and end times. Supports all common video and audio formats for flexible editing and quick results.
- 入力
- Use the formats listed in the file chooser. Decoding depends on the selected tool and browser.
- 出力
- Download the result in the format shown beside its filename. Batch ZIP is available only where the result area offers it.
- 処理
- The current implementation processes the selected files on this device. Processing libraries, language data or models may be downloaded separately; these resource requests do not require uploading the selected file.
- 制限と動作
- File capacity depends on device memory and input encoding. Large or unsupported files can fail; encrypted PDFs may need to be unlocked before use. There is no site-wide file-size guarantee.
Add Audio to Videoの使い方
- Choose a supported file, or add and order files when the tool supports multiple inputs.
- Review the settings, then select Start processing. Wait for the result or a visible error.
- Check the result and download the output. Adjust settings and process again if needed.
Add Audio to Videoに関する質問
What input does Add Audio to Video accept?
Use the formats listed in the file chooser. Decoding depends on the selected tool and browser.
How do I save the result from Add Audio to Video?
Download the result in the format shown beside its filename. Batch ZIP is available only where the result area offers it.
What limitations should I know about?
File capacity depends on device memory and input encoding. Large or unsupported files can fail; encrypted PDFs may need to be unlocked before use. There is no site-wide file-size guarantee.
Where does processing happen?
The current implementation processes the selected files on this device. Processing libraries, language data or models may be downloaded separately; these resource requests do not require uploading the selected file.
Implementation notes reviewed: 2026-10-25