Convert M4A to MP4 — Free
Upload your M4A file and get a MP4 in seconds. No account, no watermark.
How to convert M4A to MP4
Convert your M4A audio files to the widely compatible MP4 format with BoltConverter. Our free online tool makes it simple to change your audio format for better playback on various devices and platforms. Get your files ready for sharing or editing quickly.
BoltConverter processes your files server-side, ensuring your data is handled securely. All uploaded and converted files are automatically deleted from our servers immediately after conversion. Enjoy a fast, private, and straightforward conversion experience without any software installation.
Upload Your M4A File
Click "Choose File" to select the M4A audio you want to convert from your device.
Start Conversion
Press the "Convert" button to begin the M4A to MP4 conversion process.
Wait for Processing
BoltConverter will process your file on our secure servers.
Download Your MP4
Once complete, click "Download" to save your new MP4 file to your device.
Frequently asked questions
Is BoltConverter's M4A to MP4 converter free to use?
Yes, BoltConverter provides this M4A to MP4 conversion service completely free of charge.
How long are my files stored on BoltConverter's servers?
Your files are processed server-side and automatically deleted immediately after conversion is complete.
Is there a file size limit for M4A to MP4 conversions?
Yes, the current maximum file size for M4A uploads is 100 MB.
Does converting M4A to MP4 affect the audio quality?
BoltConverter aims to maintain the highest possible audio quality during conversion, but some minor changes can occur.
Can I convert multiple M4A files to MP4 at once?
Currently, BoltConverter supports converting one M4A file to MP4 at a time.