MP3 Cutter Online
Cut any MP3 or audio file directly in your browser. Upload your file, drag to select the section you want, and download the trimmed result. Everything runs on your device. No server upload, no account, no watermark, no file size limit.
Try It FreeWhat Is an MP3 Cutter?
An MP3 cutter is a tool that lets you select a portion of an audio file and save just that section. You load your file, set a start point and an end point, and the tool exports only the audio between those two points. The original file stays untouched. This is useful when you have a long recording and only need a short clip. Maybe you want a 30-second ringtone from a 4-minute song, or a single answer from an hour-long interview. An MP3 cutter does one thing well: it removes the parts you do not need.
- Select a start point and end point to define your clip
- Export just the selected portion as a new file
- Original file remains unchanged
- Works with MP3, WAV, OGG, and other formats your browser supports
- No re-encoding needed for lossless formats
How to Cut Audio Step by Step
The process takes under a minute for most files. You upload, select, and download. Everything happens in your browser, so your audio never touches a server. There is no account creation, no email verification, no waiting for a server to process your file. Here is the full process.
- Open the Orec audio trimmer at /tools/audio-trimmer
- Upload your audio file (MP3, WAV, or any supported format)
- Use the waveform display to drag and select the section you want to keep
- Fine-tune the start and end points by typing exact timestamps
- Preview your selection to make sure it sounds right
- Download the trimmed file
Common Uses for Audio Trimming
People cut audio for all kinds of reasons. Musicians pull samples from longer recordings. Podcasters extract highlight clips for social media. Teachers trim lecture recordings down to the parts students actually need. Ringtone makers grab the best 30 seconds of a song. Language learners isolate specific phrases from conversation recordings to practice pronunciation. The tool is the same in every case. What changes is how long your selection is and what you do with the result.
- Ringtones: grab 20-30 seconds of the catchiest part of a song
- Podcast clips: extract a 60-second highlight for Instagram or TikTok
- Music samples: pull a drum break, vocal phrase, or melodic loop
- Lecture notes: trim a 90-minute recording to the 5 minutes that matter
- Language practice: isolate single sentences or phrases for repetition
Tips for Clean Cuts
Cutting audio in the middle of a sound wave creates a click or pop at the edit point. This happens because the waveform jumps abruptly from one value to zero. The fix is to cut at a zero crossing, which is a point where the waveform passes through silence. Most short audio files have zero crossings every few milliseconds, so you rarely need to move your cut point more than a fraction of a second. Zoom into the waveform to find these points. If you hear a click in your preview, nudge the start or end point by a few milliseconds in either direction. Fading in and out over 5-10 milliseconds also eliminates clicks without any audible effect on the audio.
- Cut at zero crossings to avoid clicks and pops
- Zoom into the waveform for precise placement
- Add a short fade (5-10ms) at the start and end to smooth the edges
- Preview before downloading to catch any artifacts
- If you hear a click, move the cut point a few milliseconds
Browser-Based vs Server-Based Cutters
Server-based audio cutters upload your file to a remote server, process it there, and send the result back. This introduces delays (especially on large files), exposes your audio to a third party, and often comes with file size limits or daily usage caps. Browser-based cutters like Orec do all the processing on your device using the Web Audio API. Your file never leaves your computer. There is no upload wait, no download wait, and no limit on file size or number of cuts. The tradeoff is that very large files (over 500 MB) depend on your device having enough memory. For typical audio files, browser-based cutting is faster, more private, and more reliable.
- Server-based: upload wait, file size limits, privacy concerns
- Browser-based: instant processing, no limits, fully private
- Web Audio API handles decoding and trimming locally
- No daily usage caps or account requirements
- Large files (500 MB+) may need a device with enough RAM
Audio Trimmer
Trim and cut any audio file to the exact length you need. Free, no signup, runs in your browser.
Frequently asked questions
Can I cut MP3 files without uploading them to a server?
Yes. The Orec audio trimmer runs entirely in your browser. Your file stays on your device throughout the process. Nothing is uploaded.
What audio formats does the cutter support?
MP3, WAV, OGG, FLAC, AAC, and any other format your browser can decode. Most modern browsers support all common audio formats.
Is there a file size limit?
No hard limit. Since processing happens on your device, the only constraint is your available memory. Files under 500 MB work well on most devices.
Can I make multiple cuts from the same file?
Yes. Select a section, download it, then select a different section and download again. You can extract as many clips as you need from a single file.
Will cutting an MP3 reduce its quality?
The trimmer exports at the same quality as your source file. It does not re-encode or compress the audio further.
How do I make a ringtone from a song?
Upload the song, select a 20-30 second section (most phones limit ringtones to 30 seconds), preview it, and download. Transfer the file to your phone and set it as your ringtone in your phone's settings.