How to Convert Audio Files — MP3, WAV, FLAC, OGG & AAC Guide

Converting audio files is straightforward once you know which format to pick. MP3 for universal compatibility. FLAC for lossless quality. WAV for editing software. OGG for better-than-MP3 quality at smaller sizes. Here is exactly how to convert between all five formats and when each one matters.

Audio Format Cheat Sheet

Format	Type	Quality	File Size	Best For
MP3	Lossy	Good (at 320kbps)	Small (~1MB/min at 128kbps)	Universal sharing, mobile, email
WAV	Uncompressed	Perfect (lossless)	Very large (~10MB/min)	Audio editing, production
FLAC	Lossless compressed	Perfect (lossless)	Large (~5MB/min)	Archiving, audiophile listening
OGG Vorbis	Lossy	Better than MP3 at same bitrate	Small (~1MB/min at 128kbps)	Games, web audio, Discord
AAC	Lossy	Better than MP3 at same bitrate	Small (~1MB/min at 128kbps)	Apple devices, streaming, YouTube

Step-by-Step: Convert Any Audio File

1. Open the audio converter
2. Drop your audio file (MP3, WAV, FLAC, OGG, or AAC)
3. Select the output format from the dropdown
4. Click Convert
5. Download your converted file

The entire process happens in your browser. No upload to any server. No account needed.

Common Conversions — What Happens to Quality

Conversion	Quality Impact	File Size Change	When to Do It
FLAC → MP3	~ Slight loss (inaudible at 320kbps)	5-10x smaller	Sharing music, mobile playback
WAV → MP3	~ Slight loss (inaudible at 320kbps)	10x smaller	Reducing file size for sharing
MP3 → WAV	✗ No quality gain (just bigger file)	10x larger	Required by editing software
WAV → FLAC	✓ Zero loss (perfect compression)	~50% smaller	Archiving without losing quality
FLAC → WAV	✓ Zero loss (just decompressed)	~2x larger	Opening in DAWs that need WAV
MP3 → OGG	✗ Additional quality loss	Similar size	Avoid if possible — lossy to lossy
AAC → MP3	✗ Additional quality loss	Similar size	Only when device needs MP3

The golden rule: Converting between lossless formats (WAV ↔ FLAC) is always safe. Converting lossy → lossless (MP3 → WAV) does not improve quality. Converting lossy → lossy (MP3 → OGG) makes quality worse. Always start from the highest-quality source you have.

Which Format Should I Use?

• Sharing by email or messaging: MP3 at 192-320kbps — universal compatibility, small files
• Editing in Audacity/GarageBand/DAW: WAV — most editing software prefers uncompressed audio
• Archiving music collection: FLAC — lossless quality at half the size of WAV
• Game development: OGG Vorbis — better quality per byte, supported by all game engines
• Apple ecosystem: AAC — native support on iPhone, iPad, Mac, iTunes, Apple Music
• Podcast distribution: MP3 at 128kbps (mono voice) or 192kbps (stereo with music)
• Web audio: OGG for browsers that support it, MP3 as fallback

Complete Audio Production Workflow

Audio conversion is usually one step in a larger workflow. Here is how the tools chain together:

1. Trim audio — cut to the section you need
2. Remove background noise — clean up the recording
3. Adjust volume — normalize levels
4. Merge audio — combine multiple clips into one
5. Convert format — export in the format you need

Why Not Just Use VLC or Audacity?

Both VLC and Audacity can convert audio. They are excellent desktop tools. But they require installation, and the conversion interface is buried in menus (VLC: Media → Convert/Save → adjust codecs). Browser-based conversion is faster for one-off conversions: open the page, drop the file, download the result. No software to install or configure.

Use VLC/Audacity when: you are batch converting 50+ files, need precise bitrate control, or are already using them for editing. Use browser-based conversion when: you need to convert one file quickly, you are on a shared/work computer, or you do not want to install software.