OGG 转 AAC - 在线免费转换
在浏览器里直接把 .ogg 转成 .aac。文件不上传，免登录，转完即下载。
What is OGG?
Ogg Vorbis (.ogg) — OGG Vorbis is a free, open-source lossy audio format. It generally provides better sound quality than MP3 at the same bitrate, and is widely used in gaming and open-source software.
What is AAC?
Advanced Audio Coding (.aac) — AAC is the successor to MP3, offering better sound quality at similar bitrates. It is the default audio format for Apple devices, YouTube, and many streaming services.
OGG vs AAC
| Feature | OGG | AAC |
|---|---|---|
| Full Name | Ogg Vorbis | Advanced Audio Coding |
| Compression | Lossy | Lossy |
| Typical Bitrate | 96-320 kbps | 128-256 kbps |
| Best For | Game audio, open-source projects, quality-conscious streaming | Apple devices, streaming services, mobile audio |
| File Extension | .ogg | .aac |
Frequently Asked Questions
Is converting OGG to AAC free?
Yes, completely free. The conversion runs entirely in your browser using WebAssembly — your files never leave your device and no sign-up is required.
Will I lose audio quality converting OGG to AAC?
Both OGG and AAC use lossy compression. There may be a slight quality loss from re-encoding. If possible, convert from the original lossless source.
What is the maximum file size?
You can convert audio files up to 100MB. Since the conversion happens in your browser, processing speed depends on your device's performance.
Is my audio file uploaded to a server?
No. All format conversion is processed locally in your browser using FFmpeg WebAssembly. Your files never leave your device, ensuring complete privacy.