Video to Audio Converter &
Free Online Audio Cutter

Professional, fast, and secure. Process your files locally in your browser.

How it Works

1

Upload Your File

Select an audio or video file from your device. We support most common formats including MP3, WAV, MP4, MKV, and more.

2

Edit Audio

Use our visual editor to trim the audio. Adjust volume up to 200%, change playback speed, or apply equalizer settings.

3

Process & Save

Click 'Process & Save'. The engine will render your changes instantly and download the optimized audio file.

Features

Professional-grade audio tools directly in your browser

Video to Audio

Instantly extract high-quality audio tracks from video files without uploading.

Precision Trimming

Cut and trim audio files with millisecond accuracy using our visual waveform editor.

Volume Boost

Amplify quiet recordings up to 200% volume using smart gain technology.

Speed Control

Adjust playback speed from 0.5x to 2.0x. Perfect for transcribing or speeding up podcasts.

3-Band Equalizer

Fine-tune your audio with Bass, Mid, and Treble controls for perfect sound.

100% Private

All processing happens locally on your device. Your files never leave your computer.

The Best Free Online Audio Tools

RegTune provides a comprehensive suite of audio editing tools directly in your browser. Whether you are a content creator looking to extract audio from video files, a podcaster needing to trim audio recordings, or a music enthusiast wanting to adjust the speed or volume of your favorite tracks, RegTune has you covered.

Why Choose RegTune?

Unlike traditional desktop software that requires bulky installations, RegTune is lightweight and instant. But unlike other online converters, we prioritize your privacy. By leveraging advanced WebAssembly technology, all processing happens locally on your device. This means your sensitive audio and video files are never uploaded to a server, ensuring 100% data security and privacy.

Powerful Features

  • Video to Audio Converter: Easily extract high-quality MP3 audio from MP4, MKV, AVI, and other video formats. Perfect for saving soundtracks, speeches, or music videos as audio files.
  • Precise Audio Cutter: Our visual waveform editor allows you to trim and cut audio with millisecond precision. Remove unwanted intro/outro or silence effortlessly.
  • Volume Booster: Is your recording too quiet? Use our volume booster to increase audio levels by up to 200% without distortion.
  • Audio Speed Changer: Speed up or slow down audio playback. Great for transcribing interviews, learning languages, or creating fun audio effects.

Experience the fastest, safest, and most user-friendly audio editing platform on the web. No sign-up required, no file limits—just professional audio tools at your fingertips.

Frequently Asked Questions

How do I convert video to audio?
Simply click the upload area to select your video file (MP4, MKV, AVI, etc.). RegTune will automatically process the file and extract the audio track. You can then use the editor to trim specific parts or download the full audio immediately.
Is RegTune really free?
Yes! RegTune is completely free to use. We believe in providing accessible, high-quality audio tools for everyone. There are no hidden costs, subscriptions, or limits on the number of files you can process.
Is it safe? Where are my files stored?
Your security is our top priority. RegTune operates entirely in your browser using a technology called WebAssembly. This means your files are processed locally on your computer and are NEVER uploaded to any external server. You preserve 100% ownership and privacy of your data.
What file formats are supported?
We support a vast array of formats. For input, we accept MP3, WAV, AAC, M4A, OGG, WMA, as well as video formats like MP4, MKV, AVI, MOV, FLV, and WMV. You can export your processed files as high-quality MP3 or WAV.
Can I use RegTune on mobile?
Absolutely. RegTune is designed with a responsive interface that works flawlessly on iPhones, Android phones, and tablets. You can edit audio and convert videos directly from your mobile browser.