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Thumbnail Generator

Thumbnail Generator

Create image thumbnails in any size

Drag & drop your image here

Supports: JPEG, PNG, JPG, WebP (Max 10MB)

What is Thumbnail Generator?

Thumbnail Generator creates perfectly sized preview images for YouTube videos, blog posts, social media, and custom projects. It offers preset dimension templates for popular platforms alongside a custom size option for unique requirements. Content creators and bloggers use it to produce consistent, properly scaled thumbnails without manual cropping or resizing.

How to Use Thumbnail Generator

  1. 1
    Upload the source image you want to create thumbnails from.
  2. 2
    Select a preset size template such as YouTube (1280x720), blog, or social media dimensions.
  3. 3
    Alternatively, enter custom width and height values for a specific thumbnail size.
  4. 4
    Preview the generated thumbnail to verify the cropping and scale.
  5. 5
    Download the thumbnail image ready for upload to your platform.

Key Features

Preset thumbnail sizes for YouTube, blogs, and social media platforms
Custom dimension input for non-standard thumbnail requirements
Automatic smart cropping to fit the selected dimensions
High-quality downscaling that preserves image sharpness
Batch generation of multiple sizes from a single source image
Instant preview of each generated thumbnail before download

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