AudioNeoAudio Converter
Convert between MP3, WAV, OGG, FLAC, AAC, M4A, WMA formats with custom bitrate and sample rate settings.
Free Online Audio Tools
Convert, trim, compress, and edit audio files directly in your browser. No upload, no registration, no limits.
100% Browser-Based
No Upload
Privacy First
All Audio Tools
Audio Trimmer
Cut and trim audio with visual waveform editor and precise time selection.
Video to Audio
Extract audio from MP4, MKV, MOV, AVI video files and save as audio.
Audio Joiner
Merge multiple audio files into one with drag-and-drop ordering.
Volume Booster
Increase or decrease audio volume, normalize loudness levels easily.
Speed Changer
Speed up or slow down audio from 0.25x to 4x with pitch control.
Audio Compressor
Reduce audio file size by adjusting bitrate and sample rate settings.
Audio Info
View detailed audio file information β format, bitrate, sample rate, duration, channels.
Audio Normalizer
Normalize audio loudness to professional standards (LUFS) for consistent volume across files.
Audio Fade
Add fade in and fade out effects to audio with customizable duration and curve.
Speech to Text
Transcribe audio to text using AI. Supports English, Chinese, and more. Completely private.
Why AudioNeo?
Lightning Fast
Powered by FFmpeg WebAssembly β the same engine used by desktop apps, running right in your browser.
100% Private
Your files never leave your device. All processing happens locally β zero server uploads, zero data collection.
Works Everywhere
Works on any modern browser β Chrome, Firefox, Safari, Edge. Desktop or mobile, no installation needed.