Convert Audio Files

Convert between 30+ audio formats including MP3, WAV, FLAC, AAC, M4A, OGG, OPUS, and more. Free, private, and instant.

audio_file

30+ Formats

Convert between MP3, WAV, FLAC, AAC, M4A, OGG, OPUS, AIFF, WMA, APE, and many more formats.

high_quality

Lossless Options

Choose FLAC, WAV, or AIFF for perfect quality preservation during conversion.

security

100% Private

All conversion happens locally in your browser. Your audio files never leave your device.

speed

Instant Processing

No upload required. Start converting immediately with our WebAssembly-powered engine.

How to Convert Audio Files Online

1

Upload Audio

Upload your audio file in any of the 30+ supported formats.

2

Select Format

Choose your desired output format from the available options.

3

Convert

Click Convert and wait for the processing to complete.

4

Download

Download your converted audio file instantly.

Supported Audio Formats

high_qualityUncompressed (Lossless)

  • • WAV (Waveform Audio)
  • • AIFF (Audio Interchange)
  • • AU (Sun Audio)
  • • PCM (Raw Audio)
  • • DSD (Direct Stream Digital)

compressLossless Compressed

  • • FLAC (Free Lossless)
  • • ALAC (Apple Lossless)
  • • APE (Monkey's Audio)
  • • WavPack (WV)
  • • TTA (True Audio)
  • • SHN (Shorten)

music_noteLossy Compressed

  • • MP3 (MPEG Layer 3)
  • • AAC (Advanced Audio)
  • • OGG (Vorbis)
  • • M4A (MPEG-4 Audio)
  • • OPUS (Modern Codec)
  • • WMA (Windows Media)
  • • MPC (Musepack)

Frequently Asked Questions

What's the best format for quality?

For lossless quality, use FLAC or WAV. For smaller file sizes with good quality, use MP3 (320kbps) or AAC.

Can I convert M4A to MP3?

Yes! Upload your M4A file and select MP3 as the output format. The conversion is instant and maintains high quality.

Is my audio uploaded to a server?

No, all processing happens in your browser using WebAssembly. Your audio files never leave your device.

About Audio Converter

The Audio Converter is a powerful, free online tool designed to help you process your files quickly and securely right from your browser. Whether you are a professional designer, developer, or just someone looking to optimize media for personal use, our tool provides an intuitive interface with enterprise-grade processing capabilities.

Unlike many other online tools, PixalTools performs all processing completely client-side. This means that your files never leave your device, ensuring complete privacy, zero upload wait times, and a blazing-fast experience. You do not need to register, install any software, or worry about watermarks.

How to Use the Audio Converter

1

Upload Files

Drag and drop your files into the designated area, or click to browse your device. You can often upload multiple files at once.

2

Adjust Settings

Customize the output parameters. Depending on the tool, you can adjust quality, format, dimensions, or specific technical settings.

3

Save & Download

Click process and wait a few seconds. Once complete, download your newly optimized files instantly to your device.

Why Choose PixalTools?

100% Secure & Private

Everything runs locally in your browser. Zero server uploads mean your private data remains completely confidential.

Lightning Fast

Skip the upload and download times. Our tools use WebAssembly to process files at native device speeds.

No Quality Loss

We utilize industry-leading algorithms to ensure you get the absolute best output quality without bloat.

Free Forever

No subscriptions, no hidden limits, and no restrictive paywalls. Use our tools as much as you need, entirely free.

Frequently Asked Questions

Is this tool actually free to use?

Yes! Audio Converter and all other PixalTools utilities are 100% free with no usage limits. We support the site through minimal, non-intrusive advertisements.

Are my files uploaded to your servers?

No. We highly value your privacy. All processing is done directly on your device utilizing modern browser technologies like HTML5 and WebAssembly. Your files are never transmitted to our servers.

Can I use Audio Converter on mobile devices?

Absolutely. Our entire suite of tools is fully responsive and optimized for mobile browsers, allowing you to use Audio Converter on iOS and Android seamlessly.

Is there a limit to the file size?

Since processing happens locally, the file size limit depends entirely on your device's available memory. Most modern devices can easily handle files up to several hundred megabytes.