# AAC to M4A Converter Convert AAC audio files to M4A (MPEG-4 Audio) format with quality and channel controls > Canonical page: https://elysiatools.com/en/tools/aac-to-m4a - **Category:** Media - **Keywords:** aac, m4a, audio, converter, transcode, mpeg4 ## Overview Convert an AAC audio file to M4A with selectable bitrate, sample rate, channel count, and optional metadata preservation. ## Inputs - **Audio File** (file): Upload an AAC file to convert to M4A - **Bitrate (kbps)** (select): Choose target bitrate for M4A output - **Sample Rate** (select): Output sample rate - **Audio Channels** (select): Select output channel count - **Keep Metadata (when available)** (checkbox): Preserve title/artist tags when possible ## When to use - You need an M4A version of an AAC audio file. - You want to adjust output quality with a selected bitrate or sample rate. - You need to keep the original channel layout or convert the output to mono or stereo. ## How it works - Upload one AAC audio file in a supported AAC format. - Choose a target bitrate, sample rate, and channel count, or keep the original settings with Auto. - Enable or disable metadata preservation when available. - Start the conversion and download the resulting M4A file. ## Use cases - Create an M4A copy of an AAC recording for an audio library. - Reduce or increase the target bitrate for a specific output quality. - Convert stereo AAC audio to mono or set a defined sample rate for the M4A output. ## Frequently asked questions ### What input files does this converter accept? It accepts one AAC audio file, including supported AAC audio MIME types and .aac files. ### What format is the output? The converter creates an M4A file using the MPEG-4 Audio format. ### Can I choose the M4A bitrate? Yes. Available bitrate options range from 64 kbps to 320 kbps, with 192 kbps selected by default. ### Can I change the audio channels? Yes. You can keep the original channel count, convert to mono, or convert to stereo. ### Will metadata be preserved? Metadata preservation is enabled by default when title or artist tags are available. ## Related tools - [Batch Audio Converter](https://elysiatools.com/en/tools/audio-batch-converter): Convert multiple audio files between different formats like MP3, WAV, FLAC, AAC, OGG, Opus with quality settings and batch processing - [Audio Codec Swap](https://elysiatools.com/en/tools/audio-codec-swap): Change the codec of an audio file within a chosen output format - [Audio Format Converter](https://elysiatools.com/en/tools/audio-converter): Convert audio files between different formats like MP3, WAV, FLAC, AAC, OGG with quality settings and volume adjustment - [Audio Splicer](https://elysiatools.com/en/tools/audio-splicer): Splice multiple audio files into one single audio file with customizable output format - [Batch WAV Audio Converter](https://elysiatools.com/en/tools/batch-wav-converter): Convert multiple WAV files to OGG, AAC, M4A, and OPUS formats with quality settings, bitrate control, and batch processing - [M4A to AAC Converter](https://elysiatools.com/en/tools/m4a-to-aac): Convert M4A (MPEG-4 Audio) files to raw AAC format with quality and channel controls - [Audio Change Bitrate](https://elysiatools.com/en/tools/audio-change-bitrate): Re-encode audio to a new bitrate while keeping the same format - [Audio Cutter](https://elysiatools.com/en/tools/audio-cutter): Cut and extract audio clips from audio files with precise time selection ## Samples - [Copyright-Free M4A Audio Samples](https://elysiatools.com/en/samples/m4a-samples): Apple iTunes compatible M4A audio samples with AAC encoding, optimized for quality and file size balance - [Copyright-Free AAC Audio Samples](https://elysiatools.com/en/samples/aac-samples): High-quality AAC encoded audio samples for testing and development, featuring nature sounds and meditation music with excellent compression - [M3U8 Audio Samples](https://elysiatools.com/en/samples/m3u8-audio-samples): HLS audio playlists for streaming tests - [AMR Narrowband Audio Sample](https://elysiatools.com/en/samples/amr-samples): AMR-NB voice audio sample for telephony playback, upload, and format conversion workflows ## Related content - [Audio Encoding and Format Conversion Tools](https://elysiatools.com/en/hubs/audio-convert): Compare audio format conversion, bitrate changes, sample-rate conversion, codec swaps, and export tools in one hub for delivery and archive workflows. - [Audio Editing and Cleanup Tools](https://elysiatools.com/en/hubs/audio-utility): Compare audio trimming, silence removal, fades, mixing, and denoise tools in one hub for podcast, voiceover, and music cleanup workflows. - [Audio Preview, Tone, and Effect Generator Tools](https://elysiatools.com/en/hubs/audio-generate): Compare audio preview generation, silence creation, ringtone building, fingerprinting, loudness reports, and effect-style audio generators in one hub. - [Audio Measurement and Inspection Tools](https://elysiatools.com/en/hubs/audio-analyze): Compare loudness, dynamic range, peak, BPM, key detection, spectral inspection, and metadata review tools in one hub for audio analysis.