Merge Audio Files
Concatenate multiple audio files into one continuous WAV. Reorder tracks before merging, drop in MP3/OGG/WAV/FLAC/M4A. 100% browser-based.
About the Merge Audio Files
Concatenate multiple audio files into one continuous WAV. Reorder tracks before merging, drop in MP3/OGG/WAV/FLAC/M4A. 100% browser-based.
Merge Audio Files is a free browser-based tool on QuickFnd. Concatenate multiple audio files into one continuous WAV. Reorder tracks before merging, drop in MP3/OGG/WAV/FLAC/M4A. 100% browser-based. No installation or account required — runs entirely in your browser on desktop and mobile.
- Type
- Tool
- Runs in
- Your browser — no account, no install
- Price
- Free
- Privacy
- Inputs stay on your device unless the tool says otherwise
Frequently asked questions
As many as your browser's memory allows — typically dozens of MP3s or a handful of large WAVs. Each file is decoded in sequence, so very large batches may take a few seconds. The order shown in the UI is the merge order; use the up/down arrows to rearrange.
Yes. MP3, WAV, OGG, FLAC, M4A, AAC, OPUS — any format your browser can decode. They're all converted to raw samples internally, concatenated, and written out as WAV. The output sample rate matches the first file's rate.
No gap. The audio samples are concatenated directly with no crossfade, no silence, no gap. If you want a gap, add a silent audio file between your clips before merging. For crossfades, use a DAW.
No. All decoding, concatenation, and encoding happen in your browser using the Web Audio API. Zero uploads, zero server touches, zero logging of file content.
The output uses the first file's sample rate. Files at different rates will play back at the same speed (the samples are stitched directly) which may sound slightly off-pitch. For best results, convert everything to the same sample rate first using the Audio Format Converter.
Yes. The output uses the maximum number of channels from the inputs. If you merge a mono file with a stereo file, the mono file's channel is duplicated across both stereo channels.
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