Filenary

OGG to AAC Converter

Convert Ogg Vorbis audio files to AAC audio right in your browser — free, private and with no size limit.

Drop your file here

or click to browse

Choose File

On first use, a ~30 MB conversion engine is downloaded to your browser (one time only).

This file is processed in your browser and never uploaded to a server.

How to convert OGG to AAC

  1. 1Drop your OGG file into the box above, or click to choose it from your device.
  2. 2Click Convert. The conversion runs locally in your browser — nothing is uploaded.
  3. 3Download your new AAC file as soon as it's ready.

Why convert OGG to AAC?

OGG isn't supported by iPhones, many car stereos and some apps. AAC sounds better than MP3 at the same bitrate.

The size math: OGG vs AAC

At typical quality a minute of content weighs about 1.2 MB as OGG and 1.9 MB as AAC — after conversion your AAC file comes out about 1.6× larger.

What is OGG?

OGG (Vorbis) is an open, royalty-free audio format with good quality at small sizes, used in games and web apps.

  • MIME type: audio/ogg
  • Released: 2002 by Xiph.Org Foundation (Vorbis codec)
  • Entirely free of patent royalty fees
  • Common in game audio and Linux ecosystems

What is AAC?

AAC is an efficient lossy audio format used by YouTube, Apple Music and most streaming services.

  • MIME type: audio/aac
  • Standardized: 1997 (MPEG-2, refined in MPEG-4)
  • Beats MP3 at the same bitrate thanks to newer psychoacoustics
  • The default audio codec of YouTube, iPhone and iTunes

Frequently asked questions

Is this OGG to AAC converter free?
Yes, it's completely free with no sign-up, no watermark and no daily limits.
Are my OGG files uploaded to a server?
No. The conversion happens entirely inside your browser, so your files never leave your device.
Is there a file size limit?
Filenary sets no limit — even files over 1 GB work. The only practical limit is your device's memory.
Will converting OGG to AAC reduce the quality?
AAC uses lossy compression, so the file becomes smaller with a small, usually invisible, loss of detail. Settings are tuned to keep the result sharp.
Can I convert several OGG files at once?
This converter handles one file at a time. When it's done, click Start over to convert the next OGG file.
Does it work on iPhone, Android, Mac and Windows?
Yes. It runs in any modern browser — Chrome, Safari, Edge or Firefox — on phones, tablets and computers, with nothing to install.

More OGG conversions

Convert other files to AAC

All file conversions

Add this tool to your website

Copy the code below and paste it into any page. It's free, needs no sign-up, and files are processed in your visitors' own browsers.