Audio Fade In/Out
Add independently timed fades to the start and end of an audio file.
MP3 Cutter
Keep a selected part of an MP3 recording. Enter start and end times in seconds, preview the selection, and download the trimmed clip.
Audio and transcripts stay on your device. Processing runs in your browser.
Choose a file
MP3. Up to 100 MiB per file (50 MiB on touch devices), 1800 seconds. Decoded audio memory limits also apply.
Settings
Bitrate applies to MP3 and AAC. WAV uses 16-bit PCM; FLAC is lossless. OGG uses quality-based encoding.
Use the waveform to choose a position, or enter exact times. The selected part is re-encoded.
Result
Your result will appear here
Add a file, pick your settings, then select Cut MP3.
Your result will appear here.
TXT uses your edited text. SRT and VTT use the timed segments; edit segment text below for subtitle changes.
No account or daily usage quota. File and device limits protect your browser from running out of memory.
How to use MP3 Cutter
- Choose an MP3 and wait for the duration and waveform.
- Set Start and End in seconds. Clicking the waveform sets the start; the numeric fields also work with a keyboard.
- Press Preview selection to listen to the chosen range.
- Choose encoding settings, press Cut MP3 and download the resulting clip.
Start and end describe the part you keep
A start time of 12.5 and an end time of 42.5 keep a 30-second section. The start must be zero or later, and the end must be after the start and inside the recording. You can enter fractions of a second.
The waveform helps you locate quiet gaps and louder passages, but it does not identify words. Use playback to avoid cutting into a syllable. Selection preview uses the original file; the result player lets you check the exported clip.
Why the clip is re-encoded
MP3 stores compressed frames. Re-encoding lets the tool trim the decoded audio at the selected time rather than simply copying whole MP3 frames. The clip may have a small encoder delay or padding, so check it in your target player.
For a softer start or finish, open the clip in Audio Fade In/Out. To put clips together, use Audio Joiner.
Before you download
- One continuous range is kept per operation. This tool does not remove multiple middle sections at once.
- MP3 export is lossy. The original file is not overwritten.
- The waveform is a visual summary and does not provide word-level transcription.
Frequently asked questions
Can I enter milliseconds?
Use a decimal number of seconds, such as 12.35. The time fields accept hundredths of a second.
How do I keep only the ending?
Set Start where the desired section begins and set End to the full recording duration.
Is this a lossless MP3 cutter?
No. The selected range is re-encoded so the tool can trim decoded audio at the requested times.
Can I use the cutter on a phone?
The controls adapt to a narrow screen. Whether a recording can be processed still depends on its duration, codec and available browser memory.
Related tools
Often used together with MP3 Cutter.
Audio Joiner
Merge supported recordings in order with common output encoding settings.
MP3 Compressor
Reduce MP3 bitrate and compare the output size before downloading.