Prod Postsby Paper Trail

Turn beats into upload-ready videos.

Drop your audio and cover art. Export a clean MP4 for YouTube, Shorts, Reels, and TikTok.

How it works

  1. 1Add audio
  2. 2Add visual
  3. 3Choose landscape or vertical
  4. 4Export MP4
BetaProd Posts is in beta. For best results, use Chrome on desktop.

Local rendering is private but slower. Cloud rendering will be faster because it can use native server-side FFmpeg.

Files never leave your device. Prod Posts renders locally in your browser.
Audio

Drop your beat here

or click to browse

mp3 · wav · m4a · aiff

Visual

Drop cover art, GIF, or video here

or click to browse

jpg · png · gif · mp4 · mov

Post destination

Presets are just starting points — you can adjust anything.

Aspect ratio
Fit mode
Duration mode
Export speed

Fast Preview exports quicker. Higher Quality may take much longer in-browser.

Drop your files to get started.

Go Pro

Remove ads, unlock Fast Cloud Render when available, and support future producer tools.

  • No ads
  • Fast Cloud Render — planned
  • Native FFmpeg server rendering planned
  • Future producer tools

One-time purchase planned. No subscription.

v1 limitations

  • Quick Post up to 60s
  • Full Beat up to 2 minutes
  • Experimental Long up to 5 minutes
  • MP4 only for now
  • 1080p only for now
  • Longer exports depend on device/browser performance