Audio Converter
Whether you need MP3 for universal playback, WAV for editing, FLAC for lossless archiving, or M4A for Apple devices, the format matters as much as the audio itself. FluidConvert converts between MP3, WAV, FLAC, AAC, OGG, M4A and more instantly in your browser — free, no account, files up to 1GB.
Drop your file here, or browse
Accepts: audio/* · Max 1GB · always free
Your files are encrypted with TLS and automatically deleted after conversion.
Simply upload your .AUDIO file and we'll convert it to .AUDIO format — fast, free, and secure.
Fast & Free
Convert files up to 1GB completely free. No account, no limits.
Secure
Files are encrypted and automatically deleted after conversion.
High Quality
Industry-leading conversion with no quality loss.
How to Convert AUDIO to AUDIO
Upload Your File
Click the upload area above or drag and drop your .AUDIO file. We support files up to 1GB, completely free.
Choose Output Format
Select .AUDIO as your target format. Adjust any conversion settings if needed.
Download Your File
Click Convert Now and wait a few seconds. Once complete, download your converted file instantly.
About Audio Converter
Lossy vs. lossless — the choice that matters most
Audio formats split into two camps. Lossy formats (MP3, AAC, OGG, M4A) permanently discard sound data the ear is unlikely to notice, producing small files perfect for phones, streaming, and sharing. Lossless formats (FLAC, WAV, ALAC) keep every bit of the original, giving perfect quality at much larger sizes — ideal for editing, mastering, and archiving. The key rule: converting lossy to lossless can't recover quality that was already thrown away, so a FLAC made from an MP3 is large but no better-sounding than the MP3.
Which audio format should you use?
Use MP3 when you want a file that plays on absolutely everything and don't need studio quality — it's the universal default. Use M4A/AAC for slightly better quality at the same size, especially within Apple's ecosystem. Use WAV when handing audio to an editor, podcast tool, or DAW that needs uncompressed input. Use FLAC to archive music at full quality while still saving roughly 40-50% of the space a WAV would take.
What to expect from a conversion
Converting between lossy formats (say AAC to MP3) re-compresses the audio and causes a small, usually inaudible quality drop. Converting lossless to lossy (FLAC to MP3) shrinks the file dramatically with a minor quality trade-off you control via bitrate. Converting lossy to lossless or lossless to lossless preserves what's there but won't improve it. Metadata like title, artist, and album art is carried over wherever the target format supports it.
How FluidConvert handles it
Audio files are converted on secure cloud servers in seconds, encrypted in transit, and deleted automatically afterward. There's no software to install and nothing is stored — your recordings, music, and voice memos stay private.
Common reasons to convert AUDIO to AUDIO
- Converting FLAC or WAV music to MP3 to fit more songs on a phone or fitness watch
- Turning voice memos and M4A recordings into MP3 for universal playback
- Extracting and converting audio for podcast editing in WAV
- Archiving a CD rip as FLAC for full quality at a smaller size than WAV
- Converting OGG or AAC files so they play in apps that only accept MP3
Frequently Asked Questions
Does converting audio reduce its quality?
It depends on the formats. Converting to a lossless format (FLAC, WAV) preserves quality exactly. Converting to or between lossy formats (MP3, AAC) causes a small quality loss, though at higher bitrates it's inaudible to most listeners. Converting a low-quality MP3 to FLAC won't improve it — it only makes the file bigger.
Should I convert to MP3 or WAV?
Choose MP3 for sharing, streaming, and everyday listening — small files that play everywhere. Choose WAV when you need uncompressed audio for editing or production. WAV files are roughly 10x larger than MP3 for the same clip, so only use them when quality and editability matter more than size.
Will my song titles and album art survive the conversion?
Yes, as long as the target format supports tags. MP3, M4A, and FLAC all carry over title, artist, album, and cover art. WAV has limited metadata support, so some tags may not transfer when converting to WAV.
What's the difference between M4A and MP3?
Both are lossy, but M4A uses the newer AAC codec, which delivers slightly better sound quality at the same file size. MP3 is older but more universally compatible. Use M4A in the Apple ecosystem or when quality-per-megabyte matters; use MP3 when you need maximum compatibility.
How large an audio file can I convert?
Up to 1GB per file, free, with unlimited conversions — more than enough for long lossless recordings, full albums, or multi-hour podcast files.