Silence detection
Free Online Silence Splitter — Split Audio by Silence Detection
Split audio by silence automatically. Detect silent sections in audiobooks, podcasts, lectures, and long recordings, then export individual chapters or segments. Browser-based silence detection with no server upload.
Drag & drop audio here, or click to upload
Supports MP3, WAV, M4A, FLAC, OGG, AAC, and more
How to split audio by silence online
- 1.Upload an audiobook, podcast, lecture, or any long recording that has natural silent gaps between sections.
- 2.Adjust the silence threshold and minimum silence duration to match the gaps in your audio.
- 3.The tool detects silent sections, splits the audio into segments, and lets you download each part individually.
Why use this silence splitter?
Automatic audiobook chapter splitting
Detect silent gaps between chapters in audiobook recordings and export each chapter as a separate file without manual editing.
Private browser processing
Silence detection and splitting happen locally in your browser. Your audiobook and podcast files never leave your device.
Faster than manual splitting
Instead of scrubbing through hours of audio to find silent sections, let the tool detect and split at each gap automatically.
Configurable detection
Control the silence threshold and minimum gap duration to fine-tune how aggressively the splitter divides your recording.
Common use cases
- •Split audiobook recordings into individual chapters based on silent pauses between sections.
- •Segment a long podcast recording into separate episodes or topic blocks.
- •Divide a lecture recording at natural pauses for easier reviewing and note-taking.
- •Break apart a continuous music recording session into individual takes or songs.
- •Organize interview recordings by splitting at long pauses between questions and answers.
Tips for better results
- •For audiobooks, start with a minimum silence duration of 1 to 2 seconds to catch chapter breaks without splitting mid-sentence pauses.
- •Lower the silence threshold if your recording has background noise that prevents detection of quiet sections.
- •Preview the detected split points before exporting to make sure the tool is not splitting in the wrong places.
Silence splitter FAQ
Can I use this to split an audiobook into chapters?
Yes. If your audiobook recording has silent gaps between chapters, the silence splitter will detect those gaps and create a separate file for each chapter automatically.
What silence duration works best for audiobooks?
Most audiobook chapter breaks have 1 to 3 seconds of silence. Start with a minimum silence duration of 1.5 seconds and adjust based on your recording.
Is my audio uploaded to a server?
No. All silence detection and splitting happens in your browser. The audio file stays on your device throughout the process.
Can I split audio that has background music instead of true silence?
The tool detects volume drops, not absolute silence. You may need to lower the threshold setting, but results work best with recordings that have clearly quiet sections.