AI-powered comment analysis + video optimization for YouTube creators.
Heckle gives you the most advanced audience intelligence and the most accurate replica of the YouTube algorithm. Know what to make, how to package it, and when to publish—before you spend a day filming.
Trusted by teams publishing to millions of fans.
See how we compare to TubeBuddy & vidIQ · For agencies & MCNs
Understand what your audience thinks about every video.
Heckle reads every comment, detects audience emotion and reactions - then it links those reactions to exact moments in your video.
See the emotional response to your videos
Heckle analyzes and measures the emotion and sentiment response of every comment to see what viewers think of your videos. Emotions change for every video—understand exactly how your audience feels about each upload.
Sentiment
Emotions
Discover the conversations your videos spark
Heckle uses advanced clustering to automatically organize thousands of comments into distinct themes—surfacing the real conversations, shared experiences, and unexpected insights your audience brings up.
Each theme reveals how many comments are involved, the dominant emotions, and sub-themes that show nuance. Stop guessing what resonates—see exactly what your audience cares about.
Recipe Instructions Too Fast at 4:32-5:18
Viewers report pausing repeatedly during the sauce preparation segment. Comments specifically mention missing the garlic measurement and losing track of the stirring duration...
Thumbnail Finally Matches Video Energy
Viewers note this thumbnail accurately represents the content, unlike recent uploads. Many compare it to the "Tokyo street food" video style from 6 months ago, saying this feels more authentic to the channel...
Comparing Your Setup to Marques Brownlee's
Viewers are drawing parallels between your lighting setup and MKBHD's studio, specifically mentioning the three-point lighting you used matches his approach. Strong curiosity about whether you're using similar equipment...
First 90 Seconds Before Title Reveal Builds Perfect Tension
Viewers specifically praise the pacing of your cold open before 1:28 when you reveal the video's topic. Multiple comments note this is your best hook yet, comparing it favorably to your narrative structure from last month...
Track what's driving the conversation
Heckle identifies people, places, products, and trends mentioned in comments, then shows you how each topic shapes sentiment and emotion. Understand what viewers are reacting to, not just how they're reacting.
Hayabusa
ProductKoenigsegg
ProductSee exactly when emotions spike
Heckle's timeline mode links audience reactions to specific timestamps in your video. See engagement peaks, sentiment shifts, and dominant emotions throughout your content—so you know exactly what's working second by second.
Edit smarter. Package smarter. Create what your audience actually wants next.
Run audience analysisThe first self-optimizing content strategy
Hundreds of ideas generated, thousands of variations tested, only winners ranked - continuously updated based on your audience, the algorithm, and your competitors.
While you create, Heckle runs a continuous strategy engine in the background. It learns what your audience loves from every comment, identifies portfolio gaps, tracks algorithm shifts, and monitors competitor moves. Then it generates hundreds of channel-specific video concepts, tests thousands of packaging variations for each, and validates them with our YouTube algorithm replica. Weak ideas get pruned. Winners get ranked.
Intelligence Gathering
Generate Concepts
Test Variations
Thumbnail • Timing
Ranked Winners
Open Heckle anytime and see your next 100+ moves: ranked by predicted views, optimized for maximum performance, ready to execute. Every idea includes exact packaging - format, duration, title, thumbnail, and publish time. Your strategy updates itself daily. You just pick what to make next.
Or bring us your own idea. We'll predict its views before you film.
Have a specific concept in mind? Give us your idea and thumbnails. We'll test thousands of variations and hand you the winning formula.
Tell us your video idea. We'll show you exactly how to make it perform.
Give Heckle a video concept and thumbnails. We'll test thousands of variations—formats, durations, titles, thumbnails, and publish times—using our replica of YouTube's algorithm and your channel's data. Each gets a predicted view count.
You get your top 3 ranked with specific instructions: "Make a 12-minute documentary, use thumbnail B, title it [this], publish Sunday at 10:14 AM for 412K views." Know exactly what will perform before you film.
Predicted Performance
43,200+ simulations complete • Top 3 ranked
"I Took Photos of the Moon for 30 Days"
"The Moon Looks Different Every Night"
"Why the Moon Changes (30-Day Time-lapse)"
Pick winners on purpose. Kill weak ideas early.
Test my next uploadHow it works
AUDIENCE INTELLIGENCE SYSTEM
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1
Analyze
Heckle watches your video and reads every comment—frame by frame, word by word.
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2
Understand
It clusters emotions, themes, and topics to surface what actually matters in your comments.
IDEA GENERATION SYSTEM
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3
Generate
It turns those insights into thousands of on-brand video concepts your audience will want to click.
VIEW PREDICTION SYSTEM
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4
Test
Each concept is tested by our highly accurate replica of the YouTube algorithm.
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5
Select
We rank the highest-growth concepts and give you the complete playbook for each:
- Format & Duration (e.g., 8-min clip / 45-min podcast)
- Title and Thumbnail (with A/B suggestion)
- Publish Time
- Predicted Views with likely range