YouTube Description Optimizer
Rewrite your description for SEO and readability.
Paste any YouTube, TikTok or Shorts link and get benchmarks, retention curves, and rewrites — grounded in your actual footage.
Analyze a video freeToday I want to show you something interesting.
This one setting doubled my revenue overnight — nobody told me about it.
Why it works: Removes throat-clearing, adds outcome + specificity + curiosity gap.
Learn why this matters+
The difference between a video that dies at 200 views and one that hits 100K almost always lives in the first 3 seconds and the visual promise.
Getting this input right compounds — every video afterwards inherits the improvement.
- ×Writing for yourself instead of the scrolling viewer.
- ×Being clever when you should be clear.
- ×Burying the promise past the 3-second mark.
- ×Copying a format without understanding why it worked.
- ×Optimizing only one variable (title OR thumbnail OR hook) instead of the whole triangle.
- ✓Put the primary keyword in the first 25 words.
- ✓Include chapters — they boost session time and viewer control.
- ✓Never paste the same description across videos.
- →Read the output out loud. If you stumble, the viewer will too.
- →Save the best 3 outputs and rotate them across the next 3 posts to A/B in the wild.
- →Pair every improvement with a retention benchmark — improvement without measurement is a guess.
- →Run the same input through 2 different tools (title studio + hook rewriter) and compare — the overlaps are gold.
Paste any video link into the full analyzer and get scoring grounded in your actual footage — hooks, retention curves, and thumbnail CTR.
Open live analyzerHow this score is calculated+
- ·Scores blend viral-pattern models trained on 2.4M+ analyzed videos with live 2026 platform benchmarks.
- ·Every metric maps to a real signal: retention curve, click-through, curiosity tension, or pattern-interrupt strength.
- ·No output is generic filler — the model is prompted to justify every number with a concrete psychological driver.
- ·Nothing is stored. Your input is never used to train models or shown to anyone else.
Keyboard shortcuts+
Frequently asked questions
How long should a YouTube description be?+
150-300 words is the sweet spot for SEO without hurting scannability.
Do descriptions still matter for ranking?+
Yes — they still feed YouTube's semantic understanding of the video and affect suggested-video placement.