Mobile Remote Control
Control the teleprompter speed, start the stage timer, or switch test patterns directly from your phone. Simply scan the QR code to connect instantly over peer-to-peer WebRTC.
The Live Event Swiss Army Knife
AVTOOL.STUDIO is a suite of professional, browser-based utilities for Audio Visual technicians, stage managers, and camera operators.
Free. Fast. Offline-capable.
Free Online Teleprompter
A fully responsive browser-based teleprompter. Paste your script, mirror the text for professional glass, and adjust speed/size on the fly.
Stage Timer & Cues
Keep your speakers on time with a high-visibility countdown timer. Features traffic light coloring (Green, Yellow, Red) and quick presets.
VFX & Camera Tools
Generate clean Green/Blue screens with tracking markers for VFX. Use the Siemens Star focus chart or SMPTE color bars for camera calibration.
Audio Signal Generator
Test PA systems with pure Sine Waves (sweepable frequency) or Pink Noise. Essential for identifying dead channels or ringing out a room.
AV Calculators
Quickly calculate Speaker Delay times (ms) based on distance or determine RF Wavelengths for antenna sizing.