How to cut sound from a video on Android and save to MP3: complete guide

Have you shot a video on your smartphone, but only need an audio track? Or do you want to save the background music from the video in MP3 format for a ringtone? On Android, this can be done in a few minutes - without a computer, complex apps or loss of quality. In this article we will look at 5 proven methods: from built-in tools to specialized applications with advanced functions.

The main advantage of modern Android devices is flexibility. Even if your smartphone does not support direct video-to-audio conversion, there is always a workaround: via online services, applications from third-party developers or even ADB commands for advanced users. We will focus on solutions that work on most devices - from budget Xiaomi Redmi to flagships Samsung Galaxy S23.

Important: not all methods are equally good for processing long videos or high bitrate files. For example, online converters may limit the size of the downloaded file, and some applications add watermarks to the output. To avoid disappointment, we noted critical limitations of each method pay attention to the warning blocks.

1. Built-in Android tools: when you don’t need to install anything

Few people know, but some manufacturers integrate hidden functions for working with multimedia into their shells (MIUI, One UI, ColorOS). For example, on smartphones Samsung s One UI 5.0+ you can extract audio directly from the standard application Gallery:

1. Open the video in Gallery and click on the three dots in the upper right corner.
2. Select Extract audio (on some models the item is called Export audio).
3. Specify the folder to save and wait for the process to complete.

On devices Xiaomi a similar function may be hidden in the menu Video Editor (available after clicking on the pencil while watching a video). Unfortunately, not all manufacturers add this option - for example, on “pure” Android (for example, Google Pixel) it is not available.

⚠️ Attention: Built-in tools often save audio in .m4a (AAC) format, not .mp3. To convert it to MP3, you will need an additional application, for example Audio Converter.

2. Top 5 applications for extracting sound from video

If there are no built-in functions, specialized utilities will come to the rescue. We tested dozens of applications and selected those that do not impose subscriptions, do not spoil the sound quality and work without the Internet. in Google Play:

Leader in We recognized the correlation between functions and convenience Timbre - despite the subscription, it allows you to cut an audio track more accurately than others (for example, cut out only the desired fragment from the middle of a video). And if you need batch conversion of several files, pay attention to Audio Extractor with support FLAC.

Make sure that the video is not protected by DRM

Check the free space on your device (MP3 takes up ~1 MB/minute)

Disable battery optimization for the application (in Android settings)

Close other apps to speed up the process-->

3. Online services: fast, but with risks

If you don’t want to install applications, you can use web tools. Their main advantage is cross-platform (they work even on older versions of Android), but there are also disadvantages:

• 🔗 Online-Convert.com - supports 50+ formats, but limits the file size to 100 MB.
• 🎵 Audio-Extractor.net - simple interface, but saves files only to the cloud (Dropbox/Google) Drive).
• ⚡ CloudConvert —a powerful service with bitrate settings, but requires registration for files >50 MB.
• 📱 MP3Cut.net —allows you to trim audio directly in the browser, but adds advertising to the result.

The operating algorithm is the same everywhere:

1. Upload video from your device or clouds.
2. Select output format (MP3, 320 kbps for best quality).
3. Click Convert and download the result.

⚠️ Attention: Online services upload your files to their servers If the video. contains confidential information (for example, voice recordings with personal data), use offline methods.

4. Advanced method: ADB and FFmpeg for those who are not afraid of the command line

If you are an experienced user and are willing to spend 10 minutes on setup, this method will give maximum control over the process. You will need:

• 🖥️ A computer with ADB i installed. data-i="111">📱 Android smartphone with USB debugging enabled ( FFmpeg.
• 📱 Android smartphone with USB debugging enabled (Settings → About phone → Build number —press 7 times).
• 🔌 USB cable for connection.

Steps:

1. Connect your phone to the PC and check the connection with the command:

   adb devices

   (the serial number of the device should be displayed).

2. Copy the video to your computer:

   adb pull /sdcard/DCIM/Video/your_video.mp4

3. Convert to MP3 via FFmpeg:

   ffmpeg -i your_video.mp4 -vn -acodec libmp3lame -q:a 2 output.mp3

   (flag -q:a 2 sets the quality to ~190 kbps; for better sound use 0).

4. Return the file back:

   adb push output.mp3 /sdcard/Music/

Advantages of the method: full control over the bitrate, support for any formats, no loss of quality. Disadvantages: requires operational skills with the command line and PC.

5. Automation: Tasker and Termux for script lovers

For those who want to extract audio in one click, a combination of Termux (Linux emulator on Android) and Tasker (task automation) is suitable. This method is suitable for regular use - for example, if you often save audio from TikTok or YouTube.

Instructions:

1. Install Termux from F-Droid (version from Google Play is outdated).
2. Enter commands to install FFmpeg:

   pkg update && pkg upgrade
   pkg install ffmpeg

3. Create a script for conversion (for example, extract_audio.sh) with content:

   #!/bin/bash
   ffmpeg -i "$1" -vn -acodec libmp3lame -q:a 0 "$2"

4. Set up a task that will run this script when you select a video in the file manager. Tasker a task that will run this script when selecting a video in the file manager.

Now when you select a video in Files the "Extract audio" option will appear, and the result will be saved to a folder /sdcard/Termux_Audio/.

⚠️ Attention: Scripts in Termux require permissions to access the storage. After updating, Android may reset these permissions - check them in the application settings.

6. How to improve the quality of the extracted MP3

Even if you saved audio without loss, its quality may disappoint: background noise, low volume or distortion. Here's how to fix it:

• 🎛️ Normalize volume: use the application MP3 Louder to equalize the sound level.
• 🔇 Noise removal: Audacity (via Termux with a graphical interface) or AudioLab for Android.
• 🎶 Increasing bitrate: convert to 320 kbps via MediaHuman Audio Converter.
• ✂️ Silence trim: in Lexis Audio Editor select Effects → Trim Silence.

For maximum effect, combine these methods. For example, first remove noise, then normalize the volume and only then convert to MP3 with a high bitrate.

7. Common mistakes and how to avoid them

Even with simple tools, users encounter problems. Here are the most common ones and their solutions:

If none of the methods worked, check:

• 📌 Source video format (some codeki, for example AC3, are not supported on Android).
• 📌 Availability of DRM protection (videos from Netflix or Amazon Prime are not converted).
• 📌 Android version (new applications may not work on devices older than 2018).

FAQ: Answers to popular questions

ffmpeg -i input.mp4 -vn -c:a copy output.m4a

for file in *.mp4; do
ffmpeg -i "$file" -vn -acodec libmp3lame -q:a 2 "${file%.mp4}.mp3"
done