Audio Trimmer

Cut and trim audio with visual waveform editor. Drag to select start and end points precisely.

Read tutorial →

Drag & drop your audio file here or click to browse

Supports MP3, WAV, OGG, AAC, M4A — Max 50MB

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Why AudioNeo?

Lightning Fast

Powered by FFmpeg WebAssembly — the same engine used by desktop apps, running right in your browser.

100% Private

Your files never leave your device. All processing happens locally — zero server uploads, zero data collection.

Works Everywhere

Works on any modern browser — Chrome, Firefox, Safari, Edge. Desktop or mobile, no installation needed.

No Upload No Registration No File Limits Forever Free

🔒 Your files never leave your device. All processing happens locally in your browser.

How to Trim Audio Online

How to trim audio step by step
  1. Upload your audio file — Drag and drop an MP3, WAV, OGG, AAC, or M4A file, or click browse to select from your device. No account needed.
  2. Select the region to keep — Use the visual waveform editor to drag the start and end handles. You can also type exact timestamps for millisecond precision.
  3. Preview your selection — Click the Preview button to hear the selected portion before committing. Adjust the handles until it sounds right.
  4. Trim and download — Click "Trim Audio" and download your perfectly trimmed clip instantly when processing finishes.

Tip: Zoom in on the waveform for more precise cuts — especially useful for trimming silence at the beginning or end of voice recordings and podcasts.

Why use AudioNeo's audio trimmer?
Visual Waveform Editor See your audio as a waveform. Drag handles to select exactly the part you want — no guessing timestamps.
Millisecond Precision Type exact start and end times for frame-accurate trimming. Perfect for ringtones and samples.
Live Preview Preview the selected portion before you trim. No surprises, no rework. Get it right the first time.
5 Popular Formats Trim MP3, WAV, OGG, AAC, and M4A files. Output keeps the same format as your source file.
100% Private Your audio never leaves your device. All processing happens locally in your browser using WebAssembly.
Instant Download One click to download your trimmed file. No email, no signup, no waiting in a processing queue.
What is audio trimming used for?
  • Ringtones & notification sounds — Trim your favorite song to a 30-second ringtone or a short notification sound for your phone.
  • Podcast editing — Cut out intros, outros, dead air, or mistakes from podcast recordings before publishing.
  • Voice memos & interviews — Trim long voice recordings to keep only the relevant parts — great for meetings and lecture notes.
  • Social media clips — Cut audio clips for TikTok, Instagram Reels, or YouTube Shorts to match the video length exactly.
  • Music production samples — Extract short loops and one-shot samples from longer tracks for beatmaking and music production.
  • Language learning — Trim specific phrases or sentences from language lessons for focused listening practice.
How does online audio trimming work?

Audio trimming cuts out a portion of an audio file and keeps only the selected segment — like using scissors on a tape recording, but digitally and losslessly when possible.

AudioNeo uses FFmpeg WebAssembly — the industry-standard audio engine, compiled to run directly in your browser. Here's the process:

  • Local decoding — Your audio file is decoded into raw audio data entirely on your device. Nothing gets uploaded to any server.
  • Waveform rendering — We render a visual waveform of your audio so you can see where to cut, and you drag handles to select the start and end points.
  • Precise cutting — When you click "Trim Audio", FFmpeg extracts only the selected portion and re-encodes it in the original format.
  • Instant download — The trimmed result is generated as a file in your browser and is ready to download immediately.

This browser-based approach is faster, safer, and more private than server-based trimmers — there's no upload time, and your audio files never leave your device.

Frequently Asked Questions

What audio formats can I trim?

AudioNeo supports trimming MP3, WAV, OGG, AAC, and M4A files — the five most common audio formats. The output keeps the same format as your input file.

Is there a file size limit?

Files up to 50 MB are supported. Since all processing happens locally in your browser, very large files may take longer depending on your device's performance.

Will my audio files be uploaded to a server?

No. All trimming happens directly in your browser using FFmpeg WebAssembly. Your audio files never leave your device and are never sent to any server. Your privacy is guaranteed.

How precise is the trimming?

You can trim with millisecond precision. The waveform editor lets you visually select your cut points, and you can also type exact timestamps in the time input fields.

Can I preview before trimming?

Yes! Click the Preview button to hear exactly the selected portion before you commit to trimming. This way you can fine-tune the start and end points perfectly.

Does trimming reduce audio quality?

Trimming itself doesn't reduce quality — you're just removing parts of the file. However, if you're trimming a lossy format like MP3, the output is re-encoded which involves minor quality loss. For best quality, use WAV source files.

Can I trim audio on my phone?

Yes! AudioNeo works on any modern mobile browser including Chrome, Safari, Firefox, and Edge on both iOS and Android. The waveform editor is touch-friendly.

Is audio trimmer really free?

Yes. AudioNeo's audio trimmer is completely free with no watermarks, no hidden fees, and no daily limits. You can trim as many files as you need.

Related Audio Tools

Audio Joiner

Merge multiple audio files into one with drag-and-drop.

Audio Compressor

Reduce file size with custom bitrate and quality settings.

Volume Booster

Increase or decrease audio volume and normalize loudness.

Speed Changer

Change audio speed with optional pitch preservation.

Why AudioNeo?

Lightning Fast

Powered by FFmpeg WebAssembly — the same engine used by desktop apps, running right in your browser.

100% Private

Your files never leave your device. All processing happens locally — zero server uploads, zero data collection.

Works Everywhere

Works on any modern browser — Chrome, Firefox, Safari, Edge. Desktop or mobile, no installation needed.

No Upload No Registration No File Limits Forever Free

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