AI Thumbnail Generator

Turn one screenshot into
4 click-worthy thumbnails

YouTubers spend 45 minutes in Canva every upload — then still aren't sure they picked the right one. ThumbForge generates 4 variants in 30 seconds.

Generate free — no card needed → See how it works

1 free generation on signup · No credit card · 30 seconds

Same video · 4 styles · Pick the one that gets the clicks
I TESTED THIS
FOR 30 DAYS
HONEST REVIEW
Bold & Viral
30 Day Review
Honest thoughts
Clean & Minimal
30 DAYS
The verdict
Dark & Cinematic
30
DAYS LATER
Bright & Energetic
1%
CTR improvement on 10k impressions
= 100 extra views per video
30s
Average time to get 4
thumbnail variants back
£0.70
Per video on the 30-pack
Less than a coffee per upload
The problem

The highest-leverage thing
most YouTubers ignore

A 2% vs 4% CTR is double the views on the same video. Thumbnails are the only lever you fully control — and most creators spend 45 minutes in Canva then still guess wrong.

Before
Tech Review
plain screenshot
After
BEST LAPTOP
OF 2025?
cinematic
Tech Review
CTR 2.1% → 4.8%
Before
Finance Video
talking head
After
I MADE £10K
THIS MONTH
bold & viral
Finance
CTR 1.8% → 5.2%
Before
Fitness Video
basic crop
After
WEEK 8
TRANSFORMATION
energetic
Fitness
CTR 3.0% → 6.1%
How it works

From screenshot to thumbnail
in under 60 seconds

1

Pick your style

Choose from 4 proven presets — Bold & Viral, Clean & Minimal, Dark & Cinematic, or Bright & Energetic.

2

Add your context

Upload a frame from your video. Optionally add your title, a couple of lines about it, a photo of yourself, and any creative direction for the AI.

3

Pick the winner

Get 4 variants in seconds. Download the best one — or A/B test two in YouTube Studio and let the algorithm decide.

Style presets

4 styles. Pick the one
that fits your brand.

WHY I QUIT
MY JOB
STORYTIME
Bold & Viral
High contrast · big text · extreme expression
Why I Quit
My honest story
Clean & Minimal
White space · single subject · subtle text
THE DECISION
A story about leaving
Dark & Cinematic
Moody · film-grade colour · dramatic crop
NEW
CHAPTER STARTS
Bright & Energetic
Saturated colours · dynamic composition
Pricing

Pay per video.
No subscription. No waste.

1 generation = 4 thumbnail variants = 1 video. First one's free.

1 Video
£0.90
£0.90 per video
Get started
10 Videos
£8
£0.80 per video
Get started
MOST POPULAR
30 Videos
£21
£0.70 per video
Get started
100 Videos
£55
£0.55 per video
Get started

1 free generation on signup · No card required · Credits never expire

FAQ

Common questions

What counts as one generation?

One generation = 4 thumbnail variants for one video. Upload once, pick a style, get 4 images back — each one ready to upload to YouTube Studio.

What size are the thumbnails?

All thumbnails are 1280×720 (16:9 YouTube format), ready to upload directly without resizing.

Do I need design skills?

None. Upload a screenshot, pick a style, add your video title if you want — the AI handles everything. No Canva, no Photoshop.

What if I don't like the results?

Try a different style, change your direction text, or upload a different frame from your video. Different inputs produce very different results.

Do credits expire?

No. Your generations never expire. Buy once, use whenever.

You have a video to upload.
Don't let a bad thumbnail kill it.

First generation free. No card. 30 seconds.

Generate my first thumbnail free →