Free Tools
Free tools for video creators
Handy calculators and references — no account required. We'll keep adding to these.
Aspect Ratio Calculator
Lock an aspect ratio and solve for the missing width or height in pixels.
Timecode ↔ Frames Converter
Convert between HH:MM:SS:FF timecode and a raw frame count at any frame rate.
Video File Size Estimator
Estimate an export's file size from its bitrate and duration — and vice versa.
Social Video Size Guide
A cheat sheet of recommended video dimensions and ratios for every major platform.
Frequently asked questions
Yes — every tool here is completely free, runs in your browser, and requires no sign-up.
No account is needed. The tools are standalone utilities; GenMotion itself is the AI studio you can try separately when you're ready to make a video.
Yes. We'll keep adding calculators and references that help video creators — check back, or start with the ones here.