YouTube thumbnail & title studio

If nobody clicks,
your video doesn't exist.

Type your topic and Thumbly generates bold, high-CTR thumbnails and scored titles in seconds. Punchy text, vivid color blocks and A/B variants — stop guessing which thumbnail wins, see it.

DKMLTWAB
12,400 thumbnails generated this week.

Thumbly

live
Growing a channel with AI in 30 days
INSANE

I tried itfor 30 days

14.2% CTR
VS

$5 vs$5000

11.8% CTR
A/B winner+38% CTR

For every niche

Tech▶Gaming▶Finance▶Fitness▶Vlog▶Cooking▶Beauty▶Education▶Music▶Travel▶Tech▶Gaming▶Finance▶Fitness▶Vlog▶Cooking▶Beauty▶Education▶Music▶Travel▶

Try it live

Type your topic, generate the thumbnail.

Type a video topic, switch the style — three thumbnail variants redraw instantly. A preview of the real engine.

Style

Switch the style, the variants redraw →

Growing achannel with

13.4% CTR
predicted CTR13.4%
INSANE

Growing achannel with

11.7% CTR
predicted CTR11.7%

Growing achannel with

10.1% CTR
predicted CTR10.1%

9

thumbnails per run

+38%

avg CTR lift

10sn

to first draft

0

keys to try it

Sound familiar

Great video, flat thumbnail.

You filmed for hours, edited, uploaded. But in the feed it slips past as a grey rectangle. Unwatched videos aren't bad — they just don't get the click. Thumbly wins you the first three seconds.

90%

viewers judge on thumbnail + title alone

1.2s

of attention your thumbnail gets

2%

average CTR of a mediocre thumbnail

0

second chances — the feed scrolled on

What it does

A thumbnail studio, in a single box.

Thumbnails that get clicked

Give it a topic and Thumbly designs 9 thumbnail variants with bold text, vivid color blocks and an expressive face focal point — all built to pop in the YouTube grid.

Titles, scored

Ten title options per topic — curiosity gap, numbers, brackets — each with a predicted CTR score. Pick the strongest or tweak your own.

A/B tests, proof

Put two thumbnails head to head, pick the winner across simulated impressions and learn what works — your instinct sharpens as your channel grows.

On-brand, every time

Lock your palette, font and face style so every thumbnail looks like your channel — recognizable, professional, consistent.

Track your CTR

See real CTR, views and thumbnail performance for your published videos in one dashboard — which styles shine, which fizzle.

Seconds, not days

No Photoshop, no waiting on a designer. From topic to publish-ready thumbnail in one sitting — ship more, win more.

Who it's for

A thumbnail machine for every creator.

YouTuber

Generate 9 thumbnails before every upload, A/B test the best, stand out in the feed.

Channel growth

Agency

Run ten client channels from one panel, ship consistent thumbnails with the brand kit.

Multi-channel

Educator

Curiosity titles and clear thumbnails for lessons — push your enrollment rate up.

Online course

Gamer

Reaction faces, bold text and high contrast — make your clips get the click.

Gaming & clips

How it works

A clickable thumbnail in three steps.

01

Type your topic

Drop your video topic in one line. Lock your channel style once.

02

Generate 9 variants

Thumbly draws nine designs with bold text, color blocks and a face focal point.

03

A/B test, publish

Pick the winner head to head, match the title, download and upload.

Gallery

All drawn with CSS. All built to click.

Every thumbnail below is a real design — bold text, a color block, an arrow and a face focal point. In your niche, in your palette.

Nobodytold youthis

10.3% CTR
#1 SHOCKS

7 mistakeskilling you

9.6% CTR

Thischangedeverything

9.1% CTR
WAIT

Do NOTbuy this

8.7% CTR

How Iwent viral

7.9% CTR
EXPOSED

The truthabout AI

7.4% CTR

I quitmy job

6.8% CTR

Read thisbefore youupload

10.9% CTR

Niche gallery

12 niches. 12 styles. All built to click.

From tech to gaming, finance to cooking — Thumbly draws bold, clickable thumbnails for every niche. All CSS, all in your palette.

WOW

I builtthis in1 hour

11.4% CTR

Tech

FinalbossDESTROYED

10.8% CTR

Gaming

PROOF

$0 to$10K

9.9% CTR

Finance

30 daybodytransform

8.6% CTR

Fitness

SECRET

Theperfectsteak

7.8% CTR

Cooking

Thischangedmy skin

9.3% CTR

Beauty

FAST

Learn thisin 10minutes

8.1% CTR

Education

WARNING

Don't gohere

10.2% CTR

Travel

I madea beatin 5min

7.6% CTR

Music

Worstdayever

8.9% CTR

Vlog

VS

$500 vs$50000

11.1% CTR

Cars

Nobodybuilds itlike this

9.5% CTR

DIY

+38%

average CTR lift

after the thumbnail swap

9

variants per run

first draft in 10 seconds

126K

extra views

from one swapped thumbnail

What creators say

New thumbnail, channel popped.

+38%

avg. CTR lift

126K

extra views

12.4K

thumbnails made

+212% CTR
I re-uploaded the same video with a new thumbnail. CTR went from 3% to 9%. The only thing that changed was the thumbnail.
DK

Deniz K.

Tech · 240K subs

9s / thumb
I don't wait on a designer anymore. I type the topic, get 9 thumbnails, and A/B test the best one.
ML

Mara L.

Vlog · 88K subs

Trending #4
The title scores are brutal but right. I picked the 94-scored title and the video hit trending.
TW

Tom W.

Finance · 410K subs

-50% time
We run 14 channels as an agency. The brand kit keeps every thumbnail consistent and cut our turnaround in half.
SA

Selin A.

Agency · 14 channels

+318K views
On my gaming clips the reaction face + yellow pop combo is magic. My shorts finally get the click.
BT

Burak T.

Gaming · 520K subs

+64% enroll
Writing curiosity titles for my education channel was impossible. Now I just pick the 90+ scored one and publish.
ED

Elif D.

Education · 132K subs

A/B testing

Two thumbnails. One winner.

Give one video two thumbnails, Thumbly splits the impressions and shows which gets clicked more with real data. No guessing — proof.

  1. 01

    Pick two variants

    Bold red or yellow pop? Put both in the race.

  2. 02

    Split impressions

    Thumbly splits viewers 50/50 and tracks CTR live.

  3. 03

    Roll out the winner

    Promote the leading thumbnail to all traffic in one click.

"AI ran my channel"

live test

AI vsME

6.1% CTR
A6.1%

I let AIDO IT ALL

8.6% CTR
B ★8.6%
Winner B+41% lift

Title generator

Scored titles, curiosity guaranteed.

Every title is scored out of 100 on curiosity, number and bracket signals. Pick the 90+, watch the video trend.

  • 94

    I Grew a YouTube Channel With AI in 30 Days (Insane Results)

    Bold · 60 chars

  • 91

    How I Used AI to Get 100K Views in 30 Days

    How-to · 42 chars

  • 89

    7 AI Tools That Exploded My Channel (Nobody Talks About #4)

    Number · 59 chars

  • 86

    Why Your Channel Isn't Growing (AI Fixes It)

    Curiosity · 44 chars

Old way vs Thumbly

A Photoshop night or ten seconds.

Photoshop / Canva
Freelancer
Thumbly
First-draft time
2-3 hours
1-3 days
10 seconds
Number of variants
Manual, one by one
1-2 (per fee)
9 per run
A/B testing
None
None
Built in, live
Title scoring
None
Manual suggestion
AI score out of 100
Brand consistency
On you
Varies
Brand kit locked
Cost
Subscription + time
$30-150 / thumb
Flat monthly
CTR analytics
None
None
Real data panel

The old way

  • Hours in Photoshop / Canva
  • Color and text by guesswork
  • One thumbnail, zero testing
  • Wait and pay for a designer
  • No idea which style works

Thumbly

  • Topic to thumbnail in 10 seconds
  • Text optimized for the click
  • 9 variants + A/B testing
  • No designer, instant
  • CTR analytics tell you what works

The quiet promise

The thumbnails are yours. The clicks are the bonus.

Every thumbnail, title and test stays with you. Export in HD, upload anywhere, move it any time. Thumbly runs the engine — you always own the channel.

  • Topic to thumbnail: bold text, color block, face focal point, 10 seconds.

  • Scored titles: curiosity, numbers, brackets — with predicted CTR.

  • A real A/B test: pit two thumbnails, learn the winner.

  • Brand kit: palette + font + face style locked, consistent.

Pricing

One studio. Honest pricing.

Creator

$0/ay

For getting your channel rolling.

  • 15 thumbnails / month
  • Scored titles
  • 3 A/B tests
  • Demo CTR analytics
Start free
Recommended

Pro

$24/ay

For creators who ship weekly.

  • Unlimited thumbnails
  • Unlimited A/B tests
  • Brand kit lock
  • CTR analytics
  • HD export
Start Pro trial

Studio

$79/ay

For teams and agencies.

  • Everything in Pro
  • 5 seats
  • Multiple channels
  • Priority generation
Talk to us

Good to know

The short answers.

  • No. Thumbly boots in demo mode with a full sample studio — thumbnails, titles, A/B tests and CTR analytics — so you can click around immediately. Add your fal.ai and Anthropic keys later to generate for real.

Try it · 10 seconds

Make your thumbnail clickable.

A pre-loaded live demo — every screen interactive. No card, no signup.