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Troubleshooting October 2026 · 6 min read

How to Fix Video and Audio Sync Issues

Audio out of sync with video? Learn what causes the drift and how to fix or re-encode the file.

Audio out of sync with video? Learn what causes the drift and how to fix or re-encode the file. PureFileConverter makes it fast, free and simple — no signup, no watermark, and files are automatically deleted after 1 hour.

Video audio sync troubleshooting showing drift causes and fixes

Video audio sync troubleshooting showing drift causes and fixes

Why This Matters

How to Fix Video and Audio Sync Issues is a common task that trips people up when they use the wrong tool or format. Getting it right saves time and avoids broken files.

How to Do It Online

  1. Open the PureFileConverter tool page.
  2. Upload your file by dragging it onto the page or clicking to browse.
  3. Choose your target format or settings.
  4. Download the converted file and use it anywhere.

Tips for Best Results

  • Verify your input file opens correctly before converting.
  • Pick the output format that matches your goal.
  • Compress large files first if you hit an upload limit.
  • Files auto-delete after 1 hour — download promptly.

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