Trim and cut audio files. Select start and end points to extract the part you need.
Supports MP3, WAV, OGG, M4A
The Audio Trimmer lets you cut and trim audio files directly in your browser with precision and ease. Whether you need to remove silence from the start of a recording, extract a specific clip from a longer file, or cut out an unwanted section in the middle, this tool handles it all without requiring any software installation or file uploads to a server.
The Audio Trimmer is a browser-based audio editing tool that uses the Web Audio API to load, analyze, and export specific segments of audio files. You set a start time and an end time, and the tool extracts exactly that portion of the audio and exports it as a high-quality WAV file. The entire process happens locally in your browser, so your audio files never leave your device.
The tool includes a visual waveform display that renders the amplitude of your audio over time, giving you a clear picture of the audio content before you make your cuts. This is especially useful for identifying silence, speech segments, music sections, and other audio features at a glance. Combined with the precise time input fields, you can trim to the exact second or fraction of a second you need.
A preview feature lets you listen to your selected segment before committing to the export. This saves time and ensures you get exactly the clip you want on the first try, without having to download and re-upload multiple times to fine-tune your selection.
Trimming audio with this tool is straightforward and takes just a few steps from upload to download.
Audio trimming is one of the most common audio editing tasks, with applications across many fields and hobbies.
For the cleanest cuts, use the waveform display to visually identify natural pause points or silence in the audio. Cutting at a point of silence or low amplitude produces a cleaner result than cutting in the middle of a sound, which can create an abrupt or jarring transition. Zoom in on the waveform if you need to identify a precise cut point.
When creating ringtones or short clips, aim for a segment that starts and ends cleanly without abrupt cuts. If the audio has a natural fade-in or fade-out, try to include those in your selection for a more polished result. For speech recordings, cut just after the last word ends and just before the first word begins to avoid clipping any syllables.
The output is saved as a WAV file, which is uncompressed and lossless. This is ideal for further editing or professional use. If you need a smaller file for sharing or uploading, you can convert the WAV to MP3 using a separate audio converter after downloading. WAV ensures you always have the highest quality version of your trimmed clip.
Webutilbox's Audio Trimmer is completely free and requires no account, no installation, and no software download. The tool runs entirely in your browser using the Web Audio API, which is built into all modern browsers. This means you get professional-quality audio trimming without any of the complexity or cost of dedicated audio editing software like Audacity or Adobe Audition.
The interface is clean and focused, with only the controls you need to get the job done quickly. The waveform display gives you the visual context to make accurate cuts, and the preview feature ensures you get the right result before downloading. Whether you are a podcaster, a musician, a content creator, or just someone who needs to trim a voice memo, this tool is designed to make the task fast and effortless.
Your privacy is our priority. All processing happens entirely in your browser using JavaScript. No files, data, or inputs are ever uploaded to any server. Everything stays on your device, making this tool completely safe to use with sensitive content.