Audio Joiner/Merger

Commercial use OK 380+ models No watermark No sign-up needed
Model:
+ GPT-5, Claude, Gemini

Drag & drop 2+ audio files here, or click to browse

MP3, WAV, OGG, FLAC, M4A — files joined in the order you upload

    ~200 tokens

    Audio joined successfully

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    Merge and join audio files for free. Combine multiple tracks into one seamlessly.

    How to Use Audio Joiner/Merger

    1
    Enter your input

    Type text, upload a file, or describe what you want. No account needed.

    2
    Click generate

    Our AI processes your request in seconds using the best open-source models.

    3
    Download & share

    Download, copy, or share your result. Free for personal and commercial use.

    Use this tool via API

    Automate this tool from your own code. OpenAI-compatible REST endpoint, Bearer-token auth, no extra SDK required. Token costs match the web interface.

    curl -X POST https://api.free.ai/v1/music/generate/ \
      -H "Authorization: Bearer sk-free-..." \
      -H "Content-Type: application/json" \
      -d '{"prompt": "upbeat synthwave instrumental", "duration": 30}'

    Audio Joiner/Merger — FAQ

    Audio Joiner/Merger is an AI audio tool that processes or generates sound — separating stems, cleaning up recordings, or producing new audio — using open-source audio models. It runs free on Free.ai with no sign-up required to get started.

    Audio Joiner/Merger is built for musicians, podcasters, and editors who need studio-style results without studio software. It covers vocal removal, mastering, format conversion, and other audio production tasks — pick this tool when that’s what you need.

    Provide the source — paste it, upload it, or link it — and Audio Joiner/Merger converts it to the target format, ready to download.

    Yes. You get 2,500 free tokens per day with no account at all, or 30,000 tokens/day with a free account. Audio Joiner/Merger draws from that daily pool; if you need more, token packs start at $1.

    Audio Joiner/Merger delivers audio as WAV by default, which you can convert to MP3 or other formats with any audio tool. Sample rate and channel layout are preserved from the source where applicable.

    Feed Audio Joiner/Merger the cleanest source you have — less background noise in means better separation and clarity out. For multi-step work, process one stage at a time and listen before continuing.

    Yes. Audio you produce with Audio Joiner/Merger is yours to use in videos, podcasts, and other commercial work. The underlying audio models are open-source with permissive licenses.

    No. Use Audio Joiner/Merger immediately as a guest. A free account doubles your daily tokens to 30,000, saves your history, and unlocks larger inputs — but it is optional.

    Audio you send to Audio Joiner/Merger is processed on our servers and is not used for model training. Files are not retained beyond the share window unless you save them while signed in.

    Audio Joiner/Merger runs on best-in-class open-source AI models on our own infrastructure — no third-party API keys, no per-call surcharge. We update the underlying models as better ones are released.

    Yes. Audio Joiner/Merger works in any modern mobile browser — the layout adapts to your screen, so you can use it on a phone or tablet with no app to install.

    A lot. Beyond Audio Joiner/Merger, Free.ai bundles vocal removal, mastering, format conversion, and other audio production tasks alongside hundreds of other free AI tools — chat, images, audio, video, code, and more — all sharing the same daily token pool. Browse the categories to find your next one.

    Sign up free — 30,000 tokens/day

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