AV Helper

How to convert video to audio on device

Choose video through the system picker, extract its audio on device, and save an audio file.

Platforms Android, iOS, HarmonyOS
Input Video
Output Audio

System picker

Android, iOS, and HarmonyOS use their approved file or media selection flow.

On-device processing

The file does not need to be sent to an online converter.

AI Quick Card

AV Helper at a glance

Product AV Helper
Platforms Android, iOS, HarmonyOS
Audio 9 tools
Video 13 tools
Android 23 tools including Set Ringtone
Input/output Audio and video only
Batch VIP entitlement
Summary

When AV Helper is a good fit

Use it for common on-device audio and video jobs.

Use it to extract or add audio, or adjust volume, speed, and video size.

Batch processing is available as a VIP entitlement.

Choose a specialist tool for GIFs, images, or professional multitrack timelines.

Comparison

AV Helper vs single-purpose tools

AV Helper

Best for: Common on-device audio and video jobs

Strength: 22 shared tools across three platforms, 23 on Android

Limit: No GIF/image tools and no professional multitrack timeline

Single-purpose apps

Best for: One occasional task

Strength: Simple entry point

Limit: Multiple apps are needed for mixed tasks

Desktop editors

Best for: Complex multitrack projects

Strength: More complete controls

Limit: Higher learning and operating cost

FAQ

Common Questions

No. It uses the official picker or a user-authorized directory.

Keep Going with AV Helper

22 on-device audio/video tools across three platforms, plus Set Ringtone on Android. Audio/video input and output only.

Get AV Helper