Audio Converter

Change bit rate, sample rate, and format of your audio files

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Bit Rate (kbps)

Quality Guide

320 kbps: Highest quality, larger file size. Perfect for music production and archival.

Sample Rate (Hz)

Sample Rate Guide

44.1 kHz: CD quality standard. Suitable for most music and audio content.

Output Format

Estimated File Size

Select an audio file to see size estimates

Converting Audio...
Processing your audio file

Audio Converter FAQ - Everything You Need to Know

What's the difference between bit rate and sample rate in audio files?

Bit rate controls how much data is used per second of audio - higher bit rates mean better quality but larger files. Think of it like video resolution for sound.

Sample rate determines how many times per second the audio is measured - it affects the frequency range you can hear. CD quality uses 44.1kHz, which captures all frequencies humans can hear.

• 320 kbps bit rate = studio quality music
• 128 kbps bit rate = good for casual listening
• 44.1 kHz sample rate = standard for music
• 48 kHz sample rate = used in movies and TV

Which audio format should I choose for my converted files?

The best format depends on what you're doing with your audio:

• MP3 - Most compatible, works everywhere, good compression
• WAV - Uncompressed, perfect quality, large file size
• OGG - Better compression than MP3, not as widely supported
• M4A - Apple's format, great quality, works on iPhones/iPads

For music sharing: use MP3. For professional work: use WAV. For streaming: try OGG.

How do I reduce audio file size without losing too much quality?

Here's my tested approach for shrinking audio files:

1. Start with bit rate - Drop from 320 kbps to 192 kbps (you probably won't notice)
2. Keep sample rate at 44.1 kHz - Going lower hurts quality more than it helps size
3. Choose MP3 format - Best balance of quality and compression
4. Convert stereo to mono - Cuts file size in half if you don't need stereo

A 5MB song at 320 kbps becomes about 3MB at 192 kbps with barely noticeable quality loss.

What bit rate should I use for podcasts vs music?

For Podcasts and Voice:

• 64-96 kbps is plenty for speech
• Use mono instead of stereo
• 22 kHz sample rate works fine
• MP3 format for maximum compatibility

For Music:

• 192-320 kbps for good to excellent quality
• Keep stereo for full sound
• 44.1 kHz sample rate minimum
• WAV for mastering, MP3 for distribution

Can I convert audio files without installing software?

Yes! This online audio converter works entirely in your web browser. Here's why that's great:

• No downloads or installations needed
• Works on Windows, Mac, iPhone, Android
• Your files stay private (processed locally)
• Always up-to-date with latest features
• No storage space used on your device

Just drag your audio file into the browser, adjust settings, and download the converted file. It's that simple.

Why does my converted audio sound different from the original?

Several factors can change how your audio sounds after conversion:

Lower bit rate: Removes some audio data to make files smaller. Going below 128 kbps makes this noticeable.

Different sample rate: Converting from 48 kHz to 44.1 kHz can slightly change the sound character.

Format compression: MP3 uses "lossy" compression that discards some frequencies humans can't hear well.

Pro tip: Always keep your original files as backups, and test converted files with headphones before deleting originals.

What's the best sample rate for recording and converting audio?

It depends on your final use case:

44.1 kHz (CD Quality):
• Perfect for music distribution
• Captures all frequencies humans can hear
• Standard for streaming platforms
• Good balance of quality and file size

48 kHz (Professional):
• Used in video production
• Slightly better quality than 44.1 kHz
• Standard for film and TV audio

96 kHz (High-Resolution):
• Only needed for professional mastering
• Creates very large files
• Most people can't hear the difference

How long does it take to convert audio files online?

Conversion speed depends on several factors:

File size: A 3-minute song takes 10-30 seconds, a 1-hour podcast takes 2-5 minutes

Your internet speed: Faster internet = quicker processing

Device performance: Newer phones and computers process faster

Conversion complexity: Changing sample rates takes longer than just changing bit rates

Most music files convert in under a minute. The tool shows progress so you know exactly how long to wait.

Can I batch convert multiple audio files at once?

Currently, this tool processes one file at a time to ensure the best quality and fastest processing. Here's the most efficient workflow:

1. Set your preferred settings (bit rate, sample rate, format)
2. Convert your first file and verify the quality
3. Use the same settings for remaining files
4. Process files one by one - usually takes just seconds each

This approach actually prevents errors and lets you adjust settings if needed between files.

Is there a file size limit for audio conversion?

While there's no strict limit, here are practical guidelines:

Recommended sizes:
• Music files: Up to 50MB work great
• Podcast episodes: Up to 100MB process smoothly
• Long recordings: Break into smaller segments for best results

Why size matters:
• Larger files take more time to process
• Your browser might slow down with huge files
• Smaller files are easier to share and store

If you have a 2-hour recording, consider splitting it into 20-30 minute chunks first.

What audio formats can I upload for conversion?

This converter accepts all major audio formats:

Common formats: MP3, WAV, M4A, OGG, FLAC
Professional formats: AIFF, WMA, AAC
Compressed formats: MP3, OGG, M4A, WMA
Uncompressed formats: WAV, AIFF, FLAC

The tool automatically detects your file format and shows the original specifications. You can then convert to any of the supported output formats.

How do I choose the right bit rate for streaming platforms?

Different platforms have different requirements:

Spotify: Recommends 320 kbps MP3 or 44.1 kHz WAV
Apple Music: Accepts 256 kbps AAC or higher
YouTube: 128 kbps minimum, 320 kbps recommended
SoundCloud: 320 kbps MP3 for best quality
Bandcamp: Accepts WAV, FLAC, or 320 kbps MP3

When in doubt, use 320 kbps MP3 with 44.1 kHz sample rate - it works everywhere and sounds great.