WMA to AAC コンバーター

オンラインでオーディオ、ビデオ、およびその他のファイルを1つのフォーマットから別のフォーマットに無料で変換できます。

またはここにファイルをドロップしてください。最大ファイルサイズは1GBです。

変換するファイルを選択してください。

WMA

WMA is a file format supported by Convertr for online file conversion workflows.

AAC

AAC is a file format supported by Convertr for online file conversion workflows.

What happens when WMA becomes AAC

変換元フォーマット

WMA is a Microsoft audio format with several codec variants, most commonly lossy.

ターゲットフォーマット

AAC is a lossy audio codec that is efficient at moderate bitrates.

What changes

Audio samples are decoded from WMA and encoded according to the AAC format and selected bitrate or quality.

何が保持されるか
Duration and audible content are preserved, subject to decoder support and any settings you change.
What may be lost
Tags, embedded artwork, chapters, and codec-specific metadata may not map to AAC.
Codec and quality implications
AAC uses lossy compression. A higher quality or bitrate can reduce new artifacts, but it cannot restore detail already missing from the WMA source.
Realistic limitations
Protected audio, malformed headers, unsupported codec variants, or files without a decodable audio stream cannot be converted.

Conversion steps

  1. Upload a WMA file no larger than 1 GB.
  2. Confirm that AAC is selected as the target.
  3. Start the conversion. A healthy compatible worker begins processing immediately.
  4. Download the AAC file and check the result before deleting your source.

Troubleshooting

The WMA file is rejected or will not open.
Confirm that the file is not empty, password-protected, or corrupt and that its real format matches the extension.
The AAC file is larger than expected.
Choose a more efficient codec or lower quality setting when available. Lossless and uncompressed targets are often larger by design.
The result has no sound or will not play.
Try a broadly supported target codec and verify that the source contains a decodable audio stream.

Privacy and file retention

Uploads and converted files are processed automatically and irreversibly deleted within 24 hours. You can delete them sooner with the delete control. Convertr does not read, mine, sell, or manually review file contents.

Read the privacy policy

Useful alternatives

WMA to FLAC Use this when FLAC better matches the app, codec, or editing workflow you need. WMA to M4A Use this when M4A better matches the app, codec, or editing workflow you need.