Thumbnails That Get Clicks

Describe your video idea and our AI agent crafts click-worthy thumbnails in seconds. Boost your CTR with stunning visuals tailored to your brand.

Give me 3 challenge ideas using [style:Entertainment]
Working…

Your response keeps going even if you leave this page.

Find your next video idea.

Get concepts shaped by your Channel DNA.

[ Features ]

Your channel. Your face. Your creative direction.

Build reusable channel profiles and personas. Bring your own references, refine your thumbnails, and write scripts shaped by your selected videos.

Capture your Channel DNA

Paste a YouTube channel link and choose your reference videos. Build a reusable thumbnail and title profile, then preserve, evolve, or redesign its style.

Thumbnail references behind a Channel DNA panel with color swatches and typography samples

Save your on-screen persona

Upload reference photos to create a saved persona. Select it in chat to bring your identity into new scenes, outfits, and expressions.

A saved Alex persona connected to two matching portraits with different expressions

Make a reference your own

Upload a thumbnail to guide a new composition. Combine the reference with your saved persona and describe how to adapt it for your video.

An uploaded thumbnail reference adapted into a new version with a saved creator persona

Refine it in a conversation

Edit an uploaded or generated thumbnail in chat. Change the background, lighting, or text, and tell the AI which details to keep.

A chat request to make a thumbnail warmer and brighter with the original and updated versions

Write with your channel’s voice

Select a Channel DNA profile with indexed video transcripts. Use its scripting patterns to guide new hooks, voice, pacing, and structure.

Selected video transcripts guiding a new script’s opening hook, voice, pacing, and structure

[ MCP ]

Make thumbnails from your own AI agent.

Ctrbuddy is an MCP server. Connect it to the tools you already use and generate thumbnails with your personas and Channel DNA without leaving your workflow.

  • Claude
  • Claude Code
  • Cursor
  • VS Code
  • Codex

Connect in one step

Add the Ctrbuddy server URL to your AI app and approve the connection in your browser. No password or API key is shared.

Use your saved setup

Your agent can read your personas and Channel DNA styles, then generate, edit, and score thumbnails or pull script context.

You stay in control

Choose read-only or generate access, set a daily credit limit per connection, and revoke any app from your dashboard.

Read the MCP docsCreate an account

Simple, Creator-Friendly Pricing

2 months free

Starter

500 credits per month for creating thumbnails.

  • 500 credits per month
  • All AI styles included
  • Custom prompt control
  • Export PNG & JPEG
  • Cancel anytime

Pro

1,500 credits per month for more thumbnail creation.

  • 1500 credits per month
  • Priority AI generation
  • Custom brand kit
  • Batch generation
  • Advanced analytics
  • 2 months free on yearly

Max

4,000 credits per month for daily thumbnail creation.

  • 4000 credits per month
  • Everything in Pro
  • Priority AI generation
  • Custom brand kit
  • Batch generation
  • 2 months free on yearly

Cancel anytime. No hidden fees. Refund policy

Frequently Asked Questions

Learn how to create thumbnails, save your channel’s style, and use credits in Ctrbuddy.

Looking for setup steps? Read the MCP docs
Have a question or suggestion? Use Feedback in your dashboard

Ready to 10x Your Click-Through Rate?

Join thousands of YouTubers already using Ctrbuddy to grow their channels with AI-generated thumbnails.

Start for FreeSee Examples