Free Tools

The shortformen Toolkit

Engineering tools for video creators. Analyze your hooks, calculate optimal scene counts, generate CTA timestamps, and assess retention risk — all in your browser, for free.

Hook Analyzer Scene Calculator CTA Timer Risk Checker
Hook Strength AnalyzerClient-side analysis — instant results
Scene Count CalculatorOptimal cuts per video length & type
CTA Timer GeneratorSmart timestamp suggestions
Retention Risk CheckerIdentify what's killing your views
100% Free

Engineering Tools for Every Creator

No signup required. Run these tools right now and start improving your videos immediately.

Hook Strength Analyzer FREE

Score your hook 0–100 with improvement tips

Paste the first 3 seconds of your video script below. Our engine checks character count, power words, question structure, curiosity gaps, and emotional triggers to give you a hook score.

Hook Score0

Scene Count Calculator FREE

Optimal cuts for any video length and type

Set your video length and content type. We'll calculate the recommended number of scenes, average scene duration, and cut pacing for maximum retention on your target platform.

Video Length 30s
Recommended Scenes—
Avg Scene Duration—
Cut Every—
Pacing Type—

CTA Timer Generator FREE

Know exactly when to place your calls-to-action

Enter your video's total length and we'll generate precisely timed CTA placements — verbal, text overlay, and visual — based on viewer psychology and retention drop-off patterns.

Retention Risk Checker FREE

Identify what's silently killing your watch time

Check any mistake your video might be making. Each checked box adds to your risk score. Get a Low / Medium / High rating with personalized improvement suggestions.

Audio & Visual Engineering Tools

Explore our specialized tools for sound design and visual composition — available in Pro and Studio plans.

Audio engineering tools
Pro Feature

Audio Engineering Tools

Analyze the audio profile of your video — background music energy curves, voice clarity scores, and silence gap detection. Our audio engine identifies moments where sound design is contributing to viewer drop-off, and suggests precise fixes including pacing and layering adjustments.

Upgrade to Pro →
Visual composition tools
Pro Feature

Visual Composition Tools

Get frame-by-frame visual feedback on your video's composition. Our visual analysis tools evaluate split-screen effectiveness, on-screen text placement, color contrast for mobile screens, and the visual "weight" of each scene. Know exactly which frames are losing viewer attention — and why.

Upgrade to Pro →
Pro Plan

Unlock the Full Toolkit

These powerful tools are available on the Pro and Studio plans. Upgrade to access them all.

AI Retention Predictor

Upload your video and our AI predicts viewer drop-off second by second before you publish.

AI Retention Predictor

Pro plan required

Upgrade

Auto Scene Cutter

Automatically detects and suggests optimal scene cut points based on content type and pacing model.

Auto Scene Cutter

Pro plan required

Upgrade

Algorithm Optimizer

Platform-specific tuning engine for TikTok, Reels, and Shorts algorithm ranking signals.

Algorithm Optimizer

Pro plan required

Upgrade

Bulk Video Analyzer

Submit your entire library for batch analysis. Get a consolidated retention report across all videos.

Bulk Video Analyzer

Pro plan required

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Studio Plan

Advanced Engineering Features

The most sophisticated video analysis tools in the shortformen platform, available on Studio plan.

Voice engineering tool STUDIO

Voice Engineering

Analyze the pace, tone, and cadence of your voiceover against high-retention benchmarks. Identify where your delivery slows, where energy drops, and where viewer attention is lost due to vocal factors. Then use our voice templating engine to plan your next recording session with optimal pacing guidelines built in.

Pace Analysis Tone Mapping Energy Scoring Delivery Benchmarks
Gesture and movement analysis tool STUDIO

Gesture & Movement Analysis

Using computer vision, our gesture analysis tool tracks on-screen movement — the presenter's gestures, camera motion, and visual focal points — and scores them against what research shows keeps viewers engaged. Discover whether your body language is holding attention or driving drop-off, and get specific actionable coaching notes.

Motion Detection Gesture Scoring Eye Tracking Proxy Coaching Notes

Platform Integrations

TikTok Coming Soon
Instagram Coming Soon
YouTube Coming Soon

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Unlock AI-powered retention prediction, bulk analysis, and platform optimization tools.

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