AAC FORMAT HUB

AAC Converter

A modern lossy audio codec widely used in streaming, mobile devices, video platforms and MP4/M4A workflows.

Best forEfficient compressed audio for modern devices and video workflows.Keep in mindCompatibility is broad, but standalone AAC files can be less convenient than MP3 or M4A in some apps.

Start AAC Conversion

Converter readyUp to 400 MB per request • 250 MB per file

250 MB per file400 MB per request45 min max video~30 min auto-delete

Drop AAC files here or click to browse from your device No files selected MP4, MOV, MKV, AVI, WebM, MP3, WAV, FLAC, M4A, AAC, OGG, OPUS + more

Popular:

Convert to Recommended MP4 is recommended for broad video compatibility.

Output quality

Highlarger file Balancedrecommended Smallermore compression

Smart output: MP4Best overall compatibility for video playback and sharing.

Size depends on source

Advanced settingsFine-tune the output

Maximum resolutionNever intentionally upscales; server limit: 1080p. Audio bitrateUsed by compressed audio outputs and video audio tracks. Sample rate48 kHz is common for video production. Output filename

.mp4

Available for single-file conversion. Trim startOptional HH:MM:SS or seconds. Trim endLeave blank to convert to the end. Remove audioCreate silent video output.

✓ Format-aware settings✓ Live queue progress✓ Files expire after ~30 min

AAC CONVERSIONS

Useful AAC Conversion Options

Choose a specific workflow below. Each page opens the converter with the relevant output already selected and includes format-specific guidance.

MP3 → AACConvert MP3 audio into AAC for a workflow that prefers modern AAC compression. AAC → MP3Convert AAC audio into the highly compatible MP3 format.

ABOUT AAC

When AAC Makes Sense

Efficient compressed audio for modern devices and video workflows.

A modern lossy audio codec widely used in streaming, mobile devices, video platforms and MP4/M4A workflows.

CONVERSION NOTE

What Conversion Can—and Can’t—Do

Compatibility is broad, but standalone AAC files can be less convenient than MP3 or M4A in some apps.

Conversion can improve compatibility or change file size, but it cannot manufacture detail missing from the source. Keep important originals when quality matters.

EXPLORE FORMATS

Related Format Hubs

MP4 MOV MKV AVI WebM MP3 WAV FLAC M4A