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WThumb

AI thumbnail maker for YouTube that remakes references around your title and persona

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WThumb generates YouTube thumbnails using AI from a reference image or description, letting creators choose to include their face or create faceless versions

About WThumb

Screenshot of the WThumb homepage
The WThumb homepage

WThumb is an AI thumbnail maker for YouTube creators. You provide a reference thumbnail from a YouTube link or upload an image, describe your video, or choose from a library of high-performing thumbnails. The tool then generates a new thumbnail around your title and chosen persona—either with your face or faceless. You can edit results by describing changes in plain words, and WThumb reworks the thumbnail accordingly. Output is available in 16:9 format for YouTube and 9:16 for Shorts, both at Full HD+ resolution with no watermark. The studio interface combines reference selection, persona choice, text input, and revision tools on a single page, with thumbnails typically ready in about 30 seconds.

  • design
  • ai
  • youtube
  • creators
  • thumbnails
  • content creation

Features worth knowing

  • Reference-based thumbnail generation from YouTube links or uploaded images
  • Prompt-based thumbnail generation from video descriptions
  • Persona system with face generation or faceless options
  • Full HD+ output at 2048 × 1152 for 16:9 and 1152 × 2048 for 9:16
  • Edit thumbnails using plain text descriptions
  • Support for multiple languages in thumbnail text
  • Library of thousands of high-performing thumbnails from popular channels
  • No watermark on any plan including free credits
  • Automatic credit refund if thumbnail generation fails
  • Credit rollover option to carry unused credits to next month

Pricing

Pricing model: Freemium

Free: 2 credits. Starter: $12/month (40 credits) or $9/month billed yearly. Creator: $28/month (160 credits) or $21/month billed yearly. Studio: $56/month (400 credits) or $42/month billed yearly.

See WThumb's full pricing (new browser tab)

FAQ

How does WThumb work?
Open the Studio, which has everything on one page. You can recreate a thumbnail you like from a YouTube link or uploaded image, or switch to Prompt mode and describe your video. Pick a persona or Faceless, type the words for your thumbnail, add any changes in one box, choose between 16:9 or 9:16 format, then press Make. You only sign in at that point with Google or email, and a typical thumbnail is ready in about 30 seconds.
Do I need design skills to use WThumb?
No. There is no canvas and there are no layers. The Studio is one page where you provide a reference or description, pick your persona or Faceless, add the words, then press Make. To change a result, you describe the change in plain words and WThumb reworks the picture.
What resolution do thumbnails come at?
Full HD+. A 16:9 thumbnail is 2048 × 1152 JPEG, sharper than 1080p. A Shorts thumbnail is 1152 × 2048. There is no watermark and the file uploads to YouTube as is.
Can I edit thumbnails after they are generated?
Yes. Press Change it under a finished thumbnail, describe the change in plain words, and WThumb reworks that picture into a new version. Each revision uses 1 credit, and you can revise the new version again as many times as you like. Every version stays in My thumbnails.
What happens if a thumbnail fails to generate?
The credit goes back to your balance automatically. If it is unclear at first whether a thumbnail was made, WThumb holds the credit while it checks and gives it back if no thumbnail turns up within 30 minutes.

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WThumb has a free listing. The owner can unlock the full profile with a paid launch for $5:

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