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무료 Audio Joiner

Merge multiple audio files into one, in any order, with optional crossfade. Export as MP3, M4A, or WAV. Runs entirely in your browser — no upload.

파일 크기 제한 없음파일이 비공개로 유지됨로그인 불필요영원히 무료

파일을 여기에 끌어다 놓거나 클릭하여 찾기

MP3, WAV, FLAC, OGG, AAC, M4A, Audio 파일 크기 제한 없음

여러 파일을 한 번에 끌어다 놓을 수 있습니다

파일 찾기

파일이 기기를 떠나지 않습니다. 모든 처리는 브라우저에서 로컬로 이루어집니다.

Optimize for your platform

Stitching audio files together normally means an upload to an ad-heavy site. This merges them with the real FFmpeg engine running in your browser.

1
FFmpeg.wasm loads once
The WebAssembly build of FFmpeg (~30 MB) downloads on first use and is cached afterwards.
2
You add and order your files
Drop in multiple audio files and arrange them with the up/down controls. Nothing is uploaded.
3
FFmpeg concatenates them
The tracks are joined in order — back-to-back, or with a smooth crossfade between each — using FFmpeg's concat/acrossfade filters, all on your CPU.
4
Download the merged file
The result is encoded once to MP3, M4A, or WAV and offered for download.

No upload, no queue, no watermark. Combine podcast segments, voice memos, or music privately — your audio never leaves your device.

✓Completely free — no hidden costs, ever

✓No account, email, or login required

✓Files stay on your device — processing happens in your browser

✓Works on any device — phone, tablet, desktop

✓No watermarks on any output

✓Browser memory limits may apply for very large files