Free · Runs on your device · No signup

Audio Joiner

Combine multiple audio files in order into one local output with a visible queue, measured durations and consistent output settings.

Why this tool is different

Combine multiple audio files in order into one local output with a visible queue, measured durations and consistent output settings. Controls expose the decisions that materially affect the result instead of hiding them behind a one-click preset.

Requirements and recommendations

How to use Audio Joiner

  • Add up to a bounded set of audio files and arrange their order.
  • Choose one output format/settings for a consistent joined stream.
  • Review per-file and total duration before encoding.
How OpenFileTools processes it

Local processing, explicit choices.

Media is read from the selected File/Blob in this browser. The media engine is lazy-loaded only on these routes; OpenFileTools does not upload the source to its servers.

Frequently asked

Questions, answered.

Is my media uploaded?

No. Source bytes remain on this device and are read directly by the browser. OpenFileTools does not receive the file.

Why can a recognized file still fail?

A container and the codecs inside it are separate. Browser decoder and encoder support varies by operating system and browser, so the tool checks the actual track rather than promising universal conversion.

Does processing change my original?

No. A separate result is created for preview or download; the selected source file is not modified.

Related guide

Learn more about this task.

Read the related guide