Free video calculators
Small calculators for common video maths. They run in your browser, store nothing and need no account.
Speaking time calculator: how long is my script?
Free calculator: turn a word count into speaking time, or find how many words fit a 10, 30 or 60 second video. Runs in your browser, no sign-up.
Video file size calculator
Free calculator to estimate video file size from bitrate and length, or find the bitrate that hits a target size. Runs in your browser.
Video aspect ratio calculator
Free aspect ratio calculator: find the ratio of any video size and the matching height for a new width. Covers 9:16, 16:9, 1:1 and 4:5.
The skills behind these pages
Layers
A full motion-graphics edit from one plain clip: words behind your head, plates, charts and cards.
Explainer
Turns a talking clip into a clear lesson with gold word-by-word captions and points on screen.
Glass
A premium 10-second reel: a glass ribbon behind you, frosted cards and glass scenes cut in.
Bold
A 10-second reel where giant words slam in behind you and captions pop word by word.
All 4 skills for ₹999 · one-time, no subscription, no account needed
Buy all · ₹999- Pay once, keep it
- Instant download
- 7-day money-back if it won't run