A bias-free, single-page-per-topic toolkit of 32 calculators and visualizers for short video creators. Each tool gives you a number, a visualization, and a written explanation of what to do with it - not just a single input box.
Every tool outputs a decision you can act on now: "your caption won't fit in 2.1 s", "this safe-zone collides with the like button", "your LUFS target is wrong for YouTube Shorts".
Safe zones, aspect ratio crops, lighting positions, caption color contrast and beat sync are shown, not described in paragraphs. Visual information shortens decisions.
No popups, no autoplay video, no "subscribe to read more" gates, no email harvesting. Just a page with a tool. Read our why & limits.
Grouped by the stage of your workflow. Each link opens a dedicated page with the tool, an explanation, caveats and FAQ.
8 tools · hooks · scripts · titles · repurposing
8 tools · framing · audio · bitrate · crop
8 tools · captions · pacing · color · beats
8 tools · thumbnail · posting time · A/B · SEO
A single, calm ad slot. It never moves, never auto-loads, and never blocks a tool.
Short video creators spend more time second-guessing layout, caption speed, audio loudness, hashtag fit, posting time than actually creating. The information to answer those questions exists - scattered across PDFs, Reddit threads and YouTube tutorials. We put the parts that can be turned into a number or a picture into one neutral place.
Solo creators, small studios, social media managers and agencies who need a quick sanity-check tool before publishing. Not a substitute for editing software - a sanity-check before you hit "export".
Algorithms, "optimal posting times" and engagement thresholds drift continuously. Numbers here are reference baselines built from publicly documented platform guidance and common industry ranges. They are starting points to compare against your own analytics, not guarantees. If a tool tells you to publish at 6:43 PM Thursday, treat that as a hypothesis, not a rule.