Thumbium

Name: Thumbium
Price: 17 USD

Web

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Freedom report

One barScore 4.9

Free tierNo free tier
Runs widely1 of 6 device platforms
DocumentedPlans, terms and facts published

Thumbium is ranked #40 of 45 in video thumbnail makers on Freedom251. It runs on Web. There is no free plan.

Thumbium plans and pricing

All plans

Hobby $17 once One time; $17 shown as 50% off the normal $34 price 100 thumbnails every month in the current double-credit special · YouTube and Shorts · uses your OpenAI key thumbium.com · 8 Oct 2026

Business $29 once One time; $29 shown as 50% off the normal $58 price 200 thumbnails every month in the current double-credit special · YouTube and Shorts · uses your OpenAI key thumbium.com · 8 Oct 2026

Agency $49 once One time; $49 shown as 50% off the normal $98 price 500 thumbnails every month in the current double-credit special · YouTube and Shorts · uses your OpenAI key thumbium.com · 8 Oct 2026

Compared on video thumbnail makers

Free plan: No
Monthly generations: 50 images/mo
Supported platforms: YouTube, YouTube Shorts
Video thumbnails: Yes
Background removal: Yes

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The record

Purpose: Thumbium generates thumbnails from a text prompt for YouTube and Shorts.
Formats: Projects can use widescreen 16:9 YouTube or vertical 9:16 Shorts sizing.
Styles: Users can choose art styles and image types such as Photoreal, Cartoon, Anime, and 3D, or leave the image type on Auto.
Reference photos: Users can optionally add subject, product, and background photos for the generated scene.
Variations: Thumbium can generate up to four thumbnail variations per request.
Editing: Users can describe changes in plain language and ask the AI to edit an existing thumbnail.
Integration: Thumbium uses the user's own OpenAI API key, and image-generation charges are paid to OpenAI.
Generation costs: The page lists OpenAI costs of $0.04 per thumbnail at Medium quality and $0.16 at High quality.
Gallery retention: Generated thumbnails remain in the gallery for 30 days and are then deleted automatically.
Monthly limits: Generation pauses when the package's monthly thumbnail limit is reached and resumes at the start of the next month unless another package is added.
Refund policy: The pricing page offers a 14-day money-back guarantee; its refund policy says OpenAI usage charges are separate and not refundable by Thumbium.
Support: The site lists support at [email protected].
Who it is for: The page describes Hobby for creators posting a few videos monthly, Business for regular uploaders, and Agency for agencies and high-volume channels.

Where it ranks on Freedom251

Best Video Thumbnail Makers in 2026#40 of 45
Best AI Thumbnail Generators in 2026#26 of 29

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Sources

thumbium.com· checked 8 Oct 2026
thumbium.com/refund-policy· checked 8 Oct 2026