Free tools for video creators
Calculators, checkers, and generators we built for our own screen recording workflow — free for everyone. No sign-up, no upload: everything runs in your browser.
Video Bitrate Calculator
Get the recommended bitrate for any resolution, frame rate, and platform — plus file size and upload speed estimates.
Open tool →AnalyzerVideo Bitrate Checker
Drop in a video file and instantly see its bitrate, resolution, frame rate, and duration. Nothing is uploaded.
Open tool →CalculatorAspect Ratio Calculator
Identify any aspect ratio and calculate matching dimensions for 16:9, 9:16, 4:3, 21:9, and custom sizes.
Open tool →GeneratorDevice Mockup Generator
Upload a screenshot or video, pick a 3D iPhone frame, adjust the angle, and export a polished mockup.
Open tool →The tool behind the tools
SmoothCapture is a macOS screen recorder for polished app demos: 3D device frames, smart zoom, cursor effects, and quality-tuned exports for YouTube, App Store previews, and social. Record and edit free; one-time purchase to export.