offlinewebtools.com — free, watermark-free browser tools that stay on your device with nothing uploading to our servers
Audio Cover Art Embed/Extract
Add album artwork to audio files or extract existing cover art. Embed JPEG/PNG images in MP3, M4A, and FLAC files for display in music players.
Free to use, no watermarks, runs in your browser—nothing uploads to our servers
Audio file to add cover art to
JPEG or PNG image (recommended: 500x500 to 1000x1000 pixels)
Cover Art Best Practices
- • Use square images (1:1 aspect ratio)
- • 500x500 to 1000x1000 pixels is ideal
- • JPEG for photos, PNG for graphics/logos
- • Keep file size under 500KB to avoid bloating audio files
Report a bug
If this tool misbehaves, share a quick summary so we can investigate. We include the tool URL automatically—no need to copy and paste.