Local processing. No uploads. No account needed.

Free Online Audio Joiner

Join songs, voice notes and recordings into one audio file. Arrange your clips, shape the transitions and download the result, right in your browser.

Your audio sequence00

Separate recordings. One continuous track.

Drag to reorder, or use the arrow buttons.

Up to 10 clips · 20 MB each · 40 MB combined · 10 minutes total

One file, your format

Between your clips

Output duration00:00.000

Free. No sign-in. No credits.

Audio Joiner

What Is an Audio Joiner?

An Audio Joiner places separate recordings one after another and exports a single audio file. MusicGo lets you choose the order, keep only the section you need from each clip and control the joins. Your original files stay unchanged.

How to Use the Audio Joiner

  1. 01

    Add Files to the Audio Joiner

    Choose two or more local audio files, or drop them into the queue. The Audio Joiner reads each recording and displays its measured waveform and duration.

  2. 02

    Trim and Arrange in Audio Joiner

    Drag each waveform’s handles to select the section you want. Move the selection or enter exact start and end times, preview each excerpt, then arrange the clips and choose a transition.

  3. 03

    Export from the Audio Joiner

    Choose a format and select Join audio. Play the rendered track, then download it. Your result stays local and is not added to My works.

Trim Each Clip, Then Combine with Audio Joiner

Keep a chorus, a spoken line or any section you need from each recording. Drag the waveform handles or enter precise start and end times for every file, then arrange the excerpts. Audio Joiner combines only the selected sections in order; your original files stay unchanged.

Your audio sequence

An Audio Joiner for the Things You Make

Two studio microphones across a podcast table with speakers’ hands and headphones

Audio Joiner for Podcasts

Bring an intro, interview segments and an outro into one episode. Trim unwanted lead-ins, keep intentional pauses and review the joins before publishing.

Audio editor using an editing controller at a studio desk

Audio Joiner for Music Clips

Select a chorus, a riff or another excerpt from music you are authorized to use, then join the selected sections in your preferred order. A short crossfade can soften a switch; it does not beat-match the tracks.

Portable audio recorder and condenser microphone on a walnut desk

Audio Joiner for Voice and Lessons

Combine voice memos, narration takes or lesson sections into one recording that is easier to share. Use a small gap when listeners need a pause between topics.

Audio Joiner with Transitions You Can Hear

A direct join places the next clip immediately after the previous one. Add silence for a deliberate pause, or use a linear crossfade to overlap adjacent edges. The displayed output duration updates with your edits; the final preview includes the selected transition.

Audio Joiner Formats: One Track, Five Ways to Save

Mix supported input formats in the same queue. Audio Joiner resamples them to the output rate and channel layout you choose, then encodes one real audio file. Changing a filename extension alone is not conversion.

MP3

MP3: compact sharing, with 128–320 kbps options.

WAV

WAV: uncompressed 16-bit PCM for editing and delivery.

M4A

M4A: AAC audio with 128–320 kbps options.

FLAC

FLAC: lossless compression of the processed audio.

OGG

OGG: Vorbis quality 5 for compatible players and apps.

Why Use a Free, Local Audio Joiner?

No account, subscription or credits are needed. Your browser downloads the processing engine, then reads and joins files on your device. Audio and results are not uploaded to MusicGo, sent to an AI provider or saved to your account. Download before leaving the page.

Audio Joiner or Audio Mixer: Which Do You Need?

Audio Joiner builds a sequence. Crossfade overlaps only the meeting edges of adjacent clips; it does not create independently positioned background music and voice layers. For detailed single-clip edits use Audio Cutter, and use Audio Converter when you only need a format change.

Audio Joiner Limits, Quality and Compatibility

Use up to 10 files. Desktop limits are 50 MB per file, 100 MB combined and 20 minutes total; mobile limits are 20 MB, 40 MB and 10 minutes. Large WAV or FLAC outputs have an additional memory limit. Try MP3, mono or shorter selections when needed. Browser playback support can differ from export support.

Audio Joiner FAQs

Is MusicGo Audio Joiner really free?

Yes. Joining, preview and download require no account, subscription or MusicGo credits. The processing runs locally in your browser.

Does the Audio Joiner upload my files?

No. Only the application and audio engine are downloaded. Your selected recordings and the joined file stay in the browser and are not saved to My works.

Can I join files in different audio formats?

Yes. Add supported MP3, WAV, M4A, AAC, FLAC, OGG, Opus, WebM audio or AIFF files together. They are normalized to the sample rate and mono or stereo layout you select.

How many files can I join, and what are the limits?

Join 2–10 files. Desktop allows 50 MB per file, 100 MB combined and 20 minutes total. Mobile allows 20 MB, 40 MB and 10 minutes. Available memory and output format can impose a lower practical limit.

Can I trim each audio file before joining?

Yes. Each audio file has its own waveform selection. Drag either handle, move the selection or enter start and end times to keep the part you need. Preview each excerpt and arrange the order. The joined download contains only these selected sections, not the full source files. Originals stay unchanged.

What is a crossfade, and why is the result shorter?

A crossfade overlaps the end of one clip with the beginning of the next. Overlap reduces total duration. MusicGo caps it at half of either adjacent selection so a short clip is not consumed by its joins.

Will joining improve my audio quality or remove noise?

No. Joining does not remove noise or restore lost detail. MP3, M4A and OGG are re-encoded with lossy compression. WAV and FLAC avoid another lossy encoding step, but cannot repair a low-quality source.

Can I use Audio Joiner on my phone?

Yes. Use the file chooser and move buttons to arrange clips. Mobile has smaller file and duration limits. Keep the page open while processing and download the result before closing it.

Can I put background music underneath a voice recording?

This Audio Joiner is for sequential joining with optional gaps or crossfades. It does not provide independently positioned layers or a full multitrack mixer.

Why can I download a file but not play its preview?

Your browser may not play a format that the audio engine can export. Download the completed file and open it in a compatible player, or choose MP3 or WAV and join again.

Bring Your Recordings Together with Audio Joiner

Choose the moments you need, trim each recording and join the selected clips into one track.