DynamicFree
MP3 and audio QR code generator
An audio QR code plays a track in the phone’s browser — a song, podcast episode, audio guide or voice message. Swap the recording later without changing the printed code.
Dynamic: editable after printing, every scan counted, free and never expires.
What people use it for
- Museum and city audio tours.
- Musicians’ flyers, merch and album sleeves.
- Voice messages in cards and gifts.
How to make it
- 1Choose “MP3 / audio” and upload the file or paste a link.
- 2Add a title and cover image if you like.
- 3Download the code.
Tips for a code that scans every time
- Export MP3 at 128–192 kbps: good quality, quick to load.
- Name the track clearly so listeners know what they hear.
- For several tracks, use a Playlist code.
Frequently asked questions
Do listeners need an app?
No, audio plays in the browser.
Can I replace the recording?
Yes, the code is dynamic.
Which formats work?
MP3 is the safest choice for every phone.