Is the audio trimmer free to use?

Yes, completely free. No account, no subscription, no limits on how many files you trim.

Is my audio file uploaded to a server or stored anywhere?

No. Your audio file never leaves your device. All processing is done locally in your browser using ffmpeg.wasm, so your files stay completely private.

Will trimming reduce the audio quality?

For most cases, no. The tool uses stream copy mode for MP3 where possible, meaning the audio data is cut without re-encoding and quality is preserved. For formats that require re-encoding, a high-quality setting is applied.

How do I make a ringtone with this tool?

Load your song, use the audio player to find the hook or chorus you want, set the start and end time (most ringtones are 20-30 seconds), click Trim, and download the MP3. Then transfer it to your phone.

What audio formats are supported?

MP3, WAV, OGG, M4A (AAC), FLAC, and most other common audio formats are supported. The output is saved as MP3 by default.

✂️ Audio Trimmer / Cutter — Free, Private & Offline

Cut any section from an MP3 or audio file instantly — just set the start and end time, click Trim, and download the result. Everything runs in your browser using ffmpeg.wasm; your audio file is never uploaded to any server, stays completely private, and the tool works offline once loaded.

Choose an audio file

Start (s)

End (s)

Private by design. This tool runs entirely in your browser — nothing you enter is uploaded or stored, and it works offline.

About

This audio trimmer uses ffmpeg.wasm — a full port of the powerful FFmpeg library compiled to WebAssembly — to process your audio entirely inside your browser tab. You can load MP3, WAV, OGG, M4A, FLAC, and most other common audio formats. Set precise start and end times down to the second, preview the selection, then export the trimmed clip. Because processing is client-side, there is zero quality loss from re-encoding for lossless formats, and for MP3 the tool performs a stream copy when possible to avoid generation loss. The result can be downloaded as an MP3 or kept in its original format. Making a ringtone is a classic use case: load your song, find the chorus or hook, trim a 30-second clip, and save it directly to your device.

How to use

Click "Choose File" and open your MP3 or audio file — it loads locally and is never uploaded.
Set the Start Time and End Time for the section you want to keep. Use the audio player to find the exact timestamps.
Click "Trim" and wait a moment while ffmpeg.wasm processes the clip in your browser.
Preview the trimmed audio, then click "Download" to save the file to your device.

FAQ

Is the audio trimmer free to use?: Yes, completely free. No account, no subscription, no limits on how many files you trim.
Is my audio file uploaded to a server or stored anywhere?: No. Your audio file never leaves your device. All processing is done locally in your browser using ffmpeg.wasm, so your files stay completely private.
Will trimming reduce the audio quality?: For most cases, no. The tool uses stream copy mode for MP3 where possible, meaning the audio data is cut without re-encoding and quality is preserved. For formats that require re-encoding, a high-quality setting is applied.
How do I make a ringtone with this tool?: Load your song, use the audio player to find the hook or chorus you want, set the start and end time (most ringtones are 20-30 seconds), click Trim, and download the MP3. Then transfer it to your phone.
What audio formats are supported?: MP3, WAV, OGG, M4A (AAC), FLAC, and most other common audio formats are supported. The output is saved as MP3 by default.