MP3 to AIFF converter
Turn your MP3 into a clean, ready-to-use AIFF in a couple of clicks – no software to install, nothing to sign up for.
Convert MP3 to AIFF
Drop your files to try StandardsPDF. This tool is available in the full workspace.
Preserves bitrate and channels for clean playback
Handles long recordings and full albums in one job
Works in any modern browser – desktop, tablet or phone
Free to try with no account and no watermark
How it works
Convert MP3 to AIFF in 3 steps
Upload or drag in your MP3 file
Choose your output options if you need them
Download the finished AIFF
Private by default
Files are encrypted in transit and deleted within 60 minutes.
Fast
Most jobs finish in under 10 seconds. No queueing.
No signup on free tier
5 documents per day, no credit card required.
FAQ
Frequently asked questions
How do I convert MP3 to AIFF?+
Upload your MP3 file (or drag it onto the box above), wait a few seconds while StandardsPDF converts it in your browser, then download the AIFF. There is nothing to install and no account required.
Is converting MP3 to AIFF free?+
Yes. MP3 to AIFF conversion is free on the StandardsPDF free tier – no watermark, no signup, and no credit card. A Pro tier lifts the file-size and daily limits if you need more.
Will the AIFF keep the quality of my MP3?+
StandardsPDF aims for the highest fidelity the AIFF format allows, so your audio file comes through looking as close to the original as possible. Some format-specific details may adapt where AIFF works differently to MP3.
Can I choose the bitrate when converting MP3 to AIFF?+
On the free tier StandardsPDF picks a clean default bitrate for your AIFF; Pro lets you set the exact bitrate and sample rate for the MP3 to AIFF conversion.
What is the maximum MP3 file size I can convert to AIFF?+
Up to 100 MB per MP3 on the free tier and 2 GB on Pro. If your MP3 is larger, split it first or upgrade for the higher limit.
Can I convert several MP3 files to AIFF at once?+
Yes – add multiple MP3 files and StandardsPDF processes them as a batch, returning a AIFF for each.
Can I convert MP3 to AIFF on my phone?+
Yes – the MP3 to AIFF converter is fully responsive and works in Safari, Chrome and other modern browsers on iOS, Android and iPadOS.
How long does a MP3 to AIFF conversion take?+
Most MP3 files convert to AIFF in a few seconds. Larger or higher-resolution files take a little longer, but there is never a queue on the free tier.