This post explains how to trim an MP3 file in Windows Media Player. First, buy and install the SolveigMM WMP Trimmer Plugin, enable it in WMM, load your MP3 file, set markers and select fragments, trim the MP3 file, and save the audio. Alternatively, you can also try MiniTool MovieMaker, a Windows video editor, to trim your MP3.
How to Trim an MP3 File in Windows Media Player
Fast Track Steps:
- Download and install the SolveigMM WMP Trimmer Plugin.
- Enable and activate the plugin in Windows Media Player.
- Add the target MP3 file.
- Set markers and select the desired fragments.
- Trim the MP3 file.
- Save the trimmed audio file.
Windows Media Player is a built-in media player for playing and organizing audio and video on Windows computers. Many people have asked how to trim an MP3 file in Windows Media Player. While it does not have native, built-in video or audio editing tools, it lets you trim audio/video with the help of a third-party plugin: SolveigMM WMP Trimmer Plugin.
SolveigMM WMP Trimmer Plugin transforms Windows Media Player into a simple editor. It lets you trim video and audio files without re-encoding, extract audio from videos, mute specific audio fragments in the video, add voiceovers, etc.
Here is a step-by-step guide to trimming an MP3 using the SolveigMM WMP Trimmer Plugin in Windows Media Player.
1. Install the SolveigMM WMP Trimmer Plugin
Go to the official website https://www.solveigmm.com/en/products/wmp-trimmer-plugin/ to download the WMP Trimmer Plugin, then install it on your computer based on the on-screen prompts.
2. Enable the SolveigMM WMP Trimmer Plugin
Open Windows Media Player and click Tools > Plug-ins > SolveigMM WMP Trimmer Plugin to activate this plug-in.

3. Import an MP3 File
Click File > Open… or select the Open Media File button of the WMP Trimmer Plugin at the bottom left to find and open an MP3 file you want to trim. Then tap the Edit File button to see the expanded view of the plugin.

4. Add Markers and Choose Fragments
Drag the orange slider to the right to the desired beginning point of the fragment you would like to save, then click the Add marker button. Then move the slider to the endpoint of the fragment you would like to save, and tap the Add marker button again.

Then, move the orange slider to the selected section, click the Keep Selected Fragments button and the Invert Time Line Fragments button to highlight the MP3 section you want to save.

5. Trim MP3 and Save the File
Next, click the Trim button, rename this MP3 file, choose an output folder, and click Save to save the trimmed MP3 file.
To save multiple fragments from the MP3 file, repeat the process of setting the start and end points for each section you want to keep, then click Add marker. To remove unwanted sections, move the slider to the fragment you want to delete and click Cut Out Selected Fragment. Repeat this step for all unwanted fragments, then click Trim to save the output MP3 file.

How to Trim an MP3 File in MiniTool MovieMaker
Fast Track Steps:
- Download and install MiniTool MovieMaker.
- Import the MP3 file.
- Drag the slider to trim the audio.
- Save the MP3 file.
If you want an easier way to trim MP3s on your Windows PC or if you don’t want to install a plugin, MiniTool MovieMaker is worth a try. The software is one of the most user-friendly video editing programs and provides essential tools and effects. It also lets you edit audio by trimming, splitting, adjusting volume, etc.
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Split and trim videos to remove redundance.
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Change video aspect ratio to match screen sizes.
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Add bubble texts, bgm, transitions, and more effects.
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Create PiP or split-screen videos by multitrack editing.
1. Install the MP3 Trimmer
Download and install the audio/video trimming tool.
2. Add the MP3 File
Launch the application and close the pop-up window to access the main interface. Then, click Import Media Files on the left to import the target MP3 file. Next, drag and drop it to the timeline.
3. Trim MP3
Place the mouse cursor over the start or end of the audio track on the timeline until the Trim icon appears. Drag the icon inward to remove unwanted parts from either end.

4. Export the MP3 File
Click Export in the upper-right corner of the interface. In the next window, set Format to MP3, and click Export again to save the file.
Conclusion
With the SolveigMM WMP Trimmer Plugin, you can trim an MP3 file in Windows Media Player. However, the process is more complex than with modern software. You can follow the steps above to trim MP3 files in Windows Media Player. You can also try MiniTool MovieMaker for quick trimming.
Finally, if you encounter problems using MiniTool MovieMaker, send an email to [email protected] for assistance.


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