Compress M4A files
Upload an M4A file and shrink its size.
Quality
Your file never leaves your device. All processing happens right in your browser, and nothing is uploaded to a server.
Upload an M4A file and shrink its size.
Your file never leaves your device. All processing happens right in your browser, and nothing is uploaded to a server.
The tool re-encodes the AAC audio in your M4A at a lower bitrate. AAC degrades gracefully, so voice recordings in particular can drop a long way in size before sounding rough.
Voice memos that exceed messaging app limits, lecture archives accumulating on a phone, audiobook files for storage-starved devices, and recordings attached to tickets, forms, or emails with hard caps.