AAC is a file format. Use MP4.to to convert AAC files to and from various other formats.

How do I convert AAC files?

Select the conversion you need from this page, upload your file, click convert, and download your converted file instantly.

AAC converter

Q: Is AAC conversion free?

Yes, our AAC converter is completely free for basic use.

convert AAC to and from various formats

Convert your AAC files quickly and easily with our free online converter.

About AAC

AAC (Advanced Audio Codec) is a widely used audio compression format known for its high audio quality and efficiency. It is commonly used in various multimedia applications.

Common Uses

Sharing and distributing AAC files
Converting between different formats
Professional and personal use

AAC conversion FAQ

What is a AAC file?

is a popular video container format that stores video, audio, and subtitle streams in a single file. It uses efficient compression codecs like H.264 and H.265 (HEVC) to deliver high-quality video at smaller file sizes. AAC is universally supported across smartphones, tablets, computers, smart TVs, and streaming platforms.

How do I convert AAC videos?

Converting videos is simple: 1) Select your desired output format from the options above, 2) Upload your video by dragging and dropping or clicking to browse, 3) Wait for the conversion to complete, 4) Download your converted video. Our converter handles all video codecs and maintains quality throughout the process.

Is AAC conversion free?

Yes, our converter is completely free for basic use. No registration required. Premium users get additional benefits like larger file sizes, batch conversions, faster processing, and priority queue access.

Will converting AAC reduce quality?

Our converter uses optimized encoding settings to preserve quality. When converting between similar formats, quality is virtually identical. Converting to formats with lossy compression may have minimal quality reduction, but we use high bitrates to ensure your files look great.

What is the maximum file size?

Free users can convert files up to 100MB. Premium subscribers enjoy unlimited file sizes - perfect for larger files that can be several gigabytes.

Can I extract audio from AAC videos?

Yes! You can convert to MP3, WAV, AAC, FLAC, and other audio formats to extract just the audio track. This is perfect for saving music from videos, extracting podcast audio, or creating audio versions of video content.

Does the converter support 4K and HD videos?

Yes, our converter fully supports 4K (2160p), 1080p Full HD, 720p HD, and all standard video resolutions. We preserve the original resolution and frame rate during conversion unless you specifically choose to resize or compress the video.

Are my uploaded files secure and private?

Absolutely. All files are uploaded over encrypted HTTPS connections, processed on secure servers, and automatically deleted after conversion. We never view, share, or store your content. Your privacy is our priority.

How long does conversion take?

Conversion time depends on file size and complexity. Small files convert in seconds, while larger files may take a few minutes. Premium users get priority processing for faster turnaround.

Do I need to install software?

No software installation required. Our converter works entirely in your web browser. It's compatible with Windows, Mac, Linux, Chromebook, and mobile devices. Just upload, convert, and download.