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Generate thumbnails online for free. Create small preview images. Multiple sizes available.
Drop an image here or click to browse
image/* • Max 50MB
Select one or multiple images to create thumbnails from
Choose thumbnail size (e.g., 150x150, 300x200) or select presets
Select whether to maintain aspect ratio or crop to fit
Create and download optimized thumbnail images
Select one or multiple images to create thumbnails from
Choose thumbnail size (e.g., 150x150, 300x200) or select presets
Select whether to maintain aspect ratio or crop to fit
Create and download optimized thumbnail images
Common sizes include 150x150 for small icons, 300x200 for cards, and 400x300 for larger previews.
You can choose to maintain aspect ratio (adding letterboxing) or crop to exact dimensions.
Thumbnails are typically 5-20% of original file size, significantly improving load times.
JPG for photographs, PNG for graphics with transparency, and WebP for modern browsers with best compression.
Yes, upload multiple images to generate thumbnails for all at once with consistent settings.