For Fitness YouTubers

YOUR THUMBNAIL IS
KILLING YOUR SHORTS.
LET THUMBFIT FIX IT.

Upload your fitness Short. We auto-generate 50+ thumbnail + title combos, test them against real viewers, and auto-upload the winner back to YouTube — all for $2 per video.

Test My First Video — $2

No subscription. Pay per video. Cancel anytime.

CTR 3.2%
CTR 2.8%
WINNER
CTR 9.1% 🏆
CTR 4.5%
CTR 1.9%

↑ 50+ combos generated automatically. Best performer wins.

90% OF GROWTH = YOUR THUMBNAIL ✦50+ COMBOS AUTO-GENERATED ✦$2 PER VIDEO ✦NO SUBSCRIPTION ✦AUTO-UPLOADS WINNER TO YOUTUBE ✦BUILT FOR FITNESS CREATORS ✦90% OF GROWTH = YOUR THUMBNAIL ✦50+ COMBOS AUTO-GENERATED ✦$2 PER VIDEO ✦NO SUBSCRIPTION ✦AUTO-UPLOADS WINNER TO YOUTUBE ✦BUILT FOR FITNESS CREATORS ✦

How it works

THREE STEPS.
ZERO GUESSWORK.

01
⬆

01

Upload Your Short

Paste your YouTube Shorts URL or upload directly. Works with any fitness content — workouts, tutorials, transformations.

02
⚡

02

We Generate 50+ Combos

Our AI creates 50+ unique thumbnail + title variations optimized for fitness audiences. Different hooks, colors, crops, copy.

03
🏆

03

Winner Auto-Uploads

We A/B test the combos against real viewers. The top-performing thumbnail + title automatically replaces your original on YouTube.

Start Testing — $2 Per Video →

The reality

YOUR CONTENT IS GREAT.
YOUR THUMBNAIL IS NOT.

Fitness creators spend hours filming, editing, and perfecting their Shorts — then slap on the first thumbnail they make. That thumbnail determines whether 100 people see your video or 100,000.

90%

of YouTube growth

comes from your thumbnail, not your content

2×

more views

average uplift fitness creators see after thumbnail optimization

50+

combos tested

per video, so the algorithm always sees your best version

"I had a 120K subscriber channel and my Shorts were averaging 800 views. Changed nothing except the thumbnail and title — went to 40K views on the same video reposted. ThumbFit automates exactly that."

— Fitness creator, 120K subscribers

Pricing

DEAD SIMPLE.
NO SURPRISES.

Per Video
$2

per tested video · no monthly fee · no commitment

✓50+ thumbnail + title combos generated per video
✓Real viewer A/B testing (not bot traffic)
✓Automatic winner uploaded back to YouTube
✓AI-powered fitness-specific copy & crop variants
✓Full results report with CTR data
Test My First Video — $2

Secure checkout via Stripe. Results in under 24 hours.

STOP GUESSING.
START GROWING.

Every day you post with an untested thumbnail is a day you're leaving views — and subscribers — on the table. For the cost of a coffee, ThumbFit makes sure your best thumbnail always wins.

Test My First Video — $2 →

No subscription · Pay per video · Results in 24 hours

Not ready to buy yet?

JOIN THE WAITLIST.
WE'LL KEEP YOUR SPOT.

Drop your email and YouTube channel. We'll notify you when your test slot opens up — no spam, ever.

No spam. Unsubscribe anytime.