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How to cut video on Android

This guideline shows you how to easily edit your MP4 video file on any device working under Android operating system. If you would like to save some fragments from the MP4 video file and remove others, TriMP4, the newest SolveigMM product, will do it for you in a couple of simple steps. Please see them below.





Basic Terms

Understanding of some basic terms used in this guide will help you to start using TriMP4 in the most comfortable way.

Marker is a constituent part of a fragment, wich itself consists of two markers: start and end.

marker 1
Marker is set to a specified position in the time box
marker 2
The selected marker is highlighted with blue color

Fragment is a part of video file limited by two markers to be removed or kept in a final movie. The selected fragment is marked with blue color. Fragments marked as 'cut off' are not selected and colored with grey color. 
Examples of fragments are provided in table below:

Color of Fragment Description

not selected fragment1

not selected fragment21

    This fragment was set to be deleted. It will not be presented in final movie
selected fragment     This fragment was set to be kept. It will be presented in final movie

The Control Panel contains the main tools for file processing.


Description of the window elements is provided in the table below.

Window Element Description



Open file button
Move the selected marker to left
Move the selected marker to right
Play/pause buttons
Stop playback button
"Trim" button: start editing process
Shows total duration of selected fragment
time box
Shows time position of the marker
Information panel of input file: shows input file duration, its size, resolution and frame rate

Opens the menu with additional commands.


Load project: allows loading the previously saved project to TriMP4

Save project: allows saving the project to a file 

Needs improvement: Allows reporting about possible improvements to developers of Solveig Multimedia

Settings: Opens additional settings window

preview1 Opens preview of output file in TriMP4
preview with Allows selecting preview of output file with any program on the device
share with Allows sharing the output file with any application
input output Shows input/output file size information
delete input Allows deletion of input file


1. First of all Go to Google Play to download TriMP4 and install it to your device.

2. Click the icon of TriMP4 to open the application.

3. There will be opened the window as below. Select the "Open file to edit" with the folder image to select the MP4 file you would like to be edited.


You can make additional settings for the view of the list of files: Grid or List view and also make additional settings.


TriMP4 contans file manager, so you cam also select the "Open from" location of your device to choose the file for editing.


2. Now when the file is selected from one on your device, you need to mark the fragment for saving.

Move left marker to the fragments beginning, then place the right marker to the fragment's end.


If you would like you can select "save only video track" or "save only audio track".

For this make additional settings in the so called menu. In our example we have selected to save only video track in the output file.

After that press the "Trim" button with scissors icon to start the cutting progress.


When the editing will be launched, you will see the trimming progress.


After that you have several options: to preview your video file, share it with some application on your device, view input/output file size information nd delete the input file.

In this example we will share the file. Press the "Share with..." button for it and select some application in the list of available on your device.


That's all!

Thank you for reading and have fun with TriMP4!