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· Last updated：2025-10-02
Splice multiple audio files into one single audio file with customizable output format
Execution
Fill in the form, run the tool, and review the result in one place.
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Tool usage guide
Audio Splicer combines multiple supported audio files into one file and lets you choose an MP3, WAV, FLAC, AAC, OGG, or M4A output format, with optional crossfade settings.
Background
A podcast editor has several audio segments that need to become one file for playback.
Problem
The segments are stored separately and need to be combined with smoother transitions.
How to use
Select the audio segments, choose MP3 as the output format, and set a 2-second crossfade.
Output format: MP3; Crossfade duration: 2 secondsOutcome
The selected segments are combined into one MP3 file with crossfade transitions.
Background
An archivist needs to merge several compatible recordings while retaining a lossless output format.
Problem
The recordings are separate files and must be delivered as one audio file.
How to use
Select the recordings, choose FLAC as the output format, and leave crossfade disabled.
Output format: FLAC; Crossfade duration: No CrossfadeYou can select up to five audio files.
Supported inputs include MPEG, WAV, FLAC, AAC, ADTS, OGG, MP4, and M4A audio files.
You can export the combined file as MP3, WAV, FLAC, AAC, OGG, or M4A.
Yes. You can choose no crossfade or a duration of 1, 2, 3, or 5 seconds.
The default output format is MP3.
Outcome
The recordings are spliced into one FLAC file without crossfade.
Background
A course creator has multiple voice clips for a lesson and wants a single file for distribution.
Problem
Separate clips make the lesson harder to play as one continuous recording.
How to use
Select the voice clips, choose M4A as the output format, and apply a 1-second crossfade.
Output format: M4A; Crossfade duration: 1 secondOutcome
The voice clips are combined into one M4A file with short transitions.