Convert AAC to FLAC

Convert one or more AAC files to FLAC files online using this tool for free.

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drop your
AAC files here

Disclaimer:Please be aware that due to limited server storage, converted files will be automatically purged over time for optimal server performance.

Conversion Settings

Controls the compression level for FLAC encoding. Higher levels create smaller files at the cost of encoding speed. Level 5 is a balanced choice.

Sets the number of output audio channels. Stereo is recommended unless you want to reduce file size using mono.

Defines how many audio samples per second are stored. 44100 Hz is standard and ensures compatibility with most audio players.

How to use this AAC to FLAC Converter?

Choose Files: Click 👆 on the Choose Files button and choose input AAC files, or you may drag and drop AAC files to the drop area. You may choose one or more audio files. The chosen files are displayed with size information in the same drop area.
Conversion Settings: You may change the conversion parameters like quality 🎛, background color, etc., using the sliders, or color input buttons.
Conversion: Now you can click on the Convert button. This is where the ⛄ magic happens. Your AAC files are sent to the server for conversion. This all happens in a lightening speed ⚡.
Output: Once the AACs are converted ✅ to FLACs, they appear in the download section.
Download Files: You may click 👆 on the big Download button to download ↓ all your converted FLACs, or you may download individual FLAC by clicking on the respective download button.
Options: There is also a link 🔗 which you can Copy and share it using which you can download the converted FLAC files.

{ "convert": "aac-flac", "multiple": true, "from": "aac", "to": "flac", "note": "Converting from AAC (lossy) to FLAC (lossless) will not improve sound quality. It only increases file size and is typically done for compatibility, editing, or archival workflows.", "controls": [ { "type": "dropdown", "name": "compression_level", "label": "FLAC Compression Level", "options": [ { "label": "Fastest (Level 0)", "value": 0 }, { "label": "Level 2", "value": 2 }, { "label": "Level 5 (Default)", "value": 5 }, { "label": "Level 8 (Maximum)", "value": 8 } ], "defaultValue": 5, "desc": "Controls the compression level for FLAC encoding. Higher levels create smaller files at the cost of encoding speed. Level 5 is a balanced choice." }, { "type": "dropdown", "name": "channels", "label": "Audio Channels", "options": [ { "label": "Mono (1 channel)", "value": 1 }, { "label": "Stereo (2 channels)", "value": 2 } ], "defaultValue": 2, "desc": "Sets the number of output audio channels. Stereo is recommended unless you want to reduce file size using mono." }, { "type": "dropdown", "name": "sample_rate", "label": "Sample Rate (Hz)", "options": [ { "label": "22050 Hz", "value": 22050 }, { "label": "44100 Hz (CD Quality)", "value": 44100 }, { "label": "48000 Hz", "value": 48000 }, { "label": "96000 Hz", "value": 96000 } ], "defaultValue": 44100, "desc": "Defines how many audio samples per second are stored. 44100 Hz is standard and ensures compatibility with most audio players." } ], "type": "audio" }

Convert AAC to FLAC

Converted Files

Conversion Settings

How to use this AAC to FLAC Converter?