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Join multiple audio files into one seamless track with crossfade support.
Pro includes crossfade transitions, batch merging, MP3 output, and unlimited file joins.
Chain this tool with others in a workflow
Browse 106 workflow recipes →Any format your browser supports - typically MP3, WAV, OGG, AAC, M4A, and WebM audio.
Since processing happens in your browser, very large files may be slow. For typical audio under 50MB total, merging is fast.
Audio Joiner is part of BriskTool's collection of free online tools. All processing runs entirely in your browser for maximum privacy and speed.