Format family
Audio format family — lossless, lossy & voice
Audio formats trade fidelity for size. Keep masters in lossless when you can; deliver MP3/AAC/M4A for sharing. This family hub groups the hubs and best-for guides.
Lossless / masters
Archive and edit without generation loss.
WAV is the editing and archival workhorse for uncompressed sound. Studios bounce to WAV for quality; convert to MP3, AAC, or OGG when you need downloads, streaming, or chat-friendly sizes.
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FLAC gives you WAV-level fidelity at a smaller size with solid tagging — ideal for audiophile libraries and Bandcamp-style downloads. Convert to MP3 or AAC for maximum phone and car compatibility.
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AIFF is WAV’s Apple-leaning sibling for uncompressed PCM. Great in Logic and older Mac audio trees; convert to WAV/FLAC/MP3 depending on whether you need exchange, archive, or delivery.
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Lossy delivery
Everyday sharing, streaming, and uploads.
MP3 plays everywhere: cars, phones, smart speakers. Quality is strong at sensible bitrates, but AAC/Opus often win efficiency. Keep WAV/FLAC masters and export MP3 for distribution.
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AAC usually sounds better than MP3 at the same bitrate and is the default in much of Apple’s ecosystem and YouTube audio. Use M4A/MP4 containers for distribution; keep WAV/FLAC for masters.
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M4A is how many iPhone voice memos and Apple Music rips travel. It usually contains AAC. Convert to MP3 when a device or platform rejects M4A.
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OGG is a patent-conscious open container popular in FOSS and some web audio. Convert to MP3/AAC when you need mainstream device reach.
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Opus is the default for WebRTC and many streaming apps because it sounds clear at tiny bitrates. Wrap or convert to MP3/AAC when distributing to the broadest offline device set.
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WMA appears in older Windows libraries and speech recordings. Convert to MP3 or M4A so phones and Macs play the files without legacy codecs.
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WEBA is audio in a WebM container — efficient for browsers. Convert to MP3/M4A when you need files that double-click on every desktop and phone music app.
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Best for…
Decision guides for this family — not generic productivity tips.
Edit in WAV (or high-quality AAC). Deliver MP3 for maximum podcast-app compatibility; M4A/AAC is excellent for modern feeds.
FLAC/ALAC for lossless libraries; WAV for studio bounces; MP3/AAC for everyday listening and sharing.
M4A/AAC and Opus are excellent for speech. MP3 remains the share default. WAV for editing.
WAV/AIFF for production PCM; FLAC/ALAC for lossless libraries; high-bitrate AAC/MP3 only for delivery.
Opus/AAC beat MP3 at low bitrates; MP3 still wins raw compatibility. Never use WAV/FLAC for tiny chat clips.