mp4 Converter - mp4hz

Turn any audio file into a stunning video with animated waveforms. Pick a style, choose quality, convert & share — all on-device, fast and private. Try mp4hz today!

mp4hz converts your audio files into videos with animated waveform visualizations — perfect for sharing music on social media, YouTube, Instagram, or TikTok.

HOW IT WORKS

1. Pick any audio file from your device
2. Choose a waveform animation style
3. Select video quality (480p, 720p, or 1080p)
4. Tap Convert — done in seconds

5 WAVEFORM STYLES • Classic Bars — Vertical equalizer bars that react to your audio • Smooth Wave — Flowing sine wave animation • Circular Pulse — Radial pulse pattern visualization • Neon Spectrum — Colorful frequency spectrum display • Mirror Bars — Mirrored equalizer effect

VIDEO QUALITY OPTIONS • 480p — Fastest conversion, smaller file size • 720p — Balanced quality and speed • 1080p — Full HD output for the best visual quality

KEY FEATURES • On-device processing — your files never leave your phone • Preview your video before saving • Save directly to Photos or share to any app • Conversion history in the Library — access past results anytime • Dark, Light, and System theme options • Clean, modern interface

BUILT FOR PRIVACY All conversion happens locally on your device. No data is uploaded, collected, or shared. Your audio stays yours.

UPGRADE TO PRO Free users can convert and preview videos. Upgrade to mp4hz Pro to save to Photos and share your creations.

Perfect for musicians, podcasters, content creators, and anyone who wants to turn audio into shareable video content.

Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://1kbapps.com/mp4hz/