Audio Converter

Convert MP3, WAV, FLAC, OGG, M4A, AAC, OPUS — all processed locally in your browser

Accepts:MP3WAVFLACOGGM4AAACMP4MOVWebM

Free Audio Converter — MP3, WAV, FLAC, OGG, M4A Online

ezyimg's Audio Converter converts audio files between MP3, WAV, FLAC, OGG, M4A, AAC, and OPUS formats — or extracts audio from video files. Set the bitrate for lossy formats. All processing runs locally in your browser with no uploads and no watermarks.

How to Use

  1. 1

    Upload your audio or video file

    Drop an MP3, WAV, FLAC, OGG, M4A, AAC, MP4, MOV, or WebM file into the upload area.

  2. 2

    Choose the output format

    Click a format button: MP3, WAV, FLAC, OGG, M4A, AAC, or OPUS.

  3. 3

    Set bitrate (lossy formats only)

    For MP3, AAC, OGG, and OPUS, drag the bitrate slider. 192 kbps is standard quality; 320 kbps is high quality.

  4. 4

    Convert

    Click Convert. Processing runs entirely in your browser using WebAssembly.

  5. 5

    Download the converted audio

    Listen to the result with the built-in player and download the converted audio file.

Tips & Best Practices

  • MP3 at 192 kbps is the standard for music sharing — good quality at reasonable file size.
  • WAV and FLAC are lossless — use them when you need to preserve exact audio quality.
  • OPUS is the most efficient codec for voice and streaming — smaller than MP3 at equal quality.
  • M4A (AAC) is the native Apple format — best for iPhones and iTunes.
  • To extract audio from a video, just upload the video file and select an audio output format.

Frequently Asked Questions

How do I convert MP3 to WAV online for free?

Upload your MP3 to ezyimg's Audio Converter, click WAV as the output format, and click Convert. WAV is lossless and uncompressed — ideal for audio editing.

How do I convert FLAC to MP3 online?

Upload your FLAC file, select MP3 as the output format, set the desired bitrate (192 kbps recommended), and click Convert. The lossless FLAC is encoded as a compressed MP3.

What is the difference between MP3 and AAC?

Both are lossy compressed audio formats. AAC (Advanced Audio Coding) is more efficient — it achieves better sound quality at the same bitrate as MP3. AAC is the standard for Apple devices.

Can I extract audio from a video file?

Yes. Upload any video file (MP4, MOV, WebM, AVI) to ezyimg's Audio Converter, select your desired audio format, and click Convert. The audio track is extracted and saved as the chosen format.

What bitrate should I use for MP3 conversion?

For music: 320 kbps (highest quality), 192 kbps (standard, most use cases), 128 kbps (smaller files, noticeable quality reduction). For voice recordings, 64–96 kbps is sufficient.