100% Private & Browser-Based
Free Creator Utilities
Verify and calibrate your camera, microphone, screen dimensions, and encoding bitrates directly in your browser. No signups, no software installations, and zero tracking.
Audio & Video
Webcam Tester
Check your live video feed, camera settings, and real-time resolution before recording. Fast, secure, and 100% in-browser.
- Resolution & FPS meter
- Mirror mode toggle
- Take PNG snapshots
Open Webcam Tester
Audio & Video
Microphone Tester
Ensure crystal-clear audio. Switch inputs, visualize volume levels with an oscilloscope, and record test playback clips.
- Oscilloscope waveform
- 5-second voice record
- Input audio switcher
Open Microphone Tester
Screen & Display
Screen Resolution Checker
Inspect display details, viewport ratios, color depth, and screen pixel density. Updates automatically when you resize.
- Real-time viewport tracking
- Device pixel ratio (DPR)
- Easy info copying
Open Screen Resolution Checker
Calculators
Video File Size Calculator
Calculate expected video sizes instantly. Customize presets for resolution, framerate, quality compression, and codecs.
- Estimates across 4+ codecs
- Custom duration & bitrates
- Storage recommendations
Open Video File Size Calculator