Free online tool

Generate thumbnails online - Images

Creates a ZIP containing resized thumbnails. Process JPG, JPEG, PNG, GIF, WEBP, BMP, AVIF, TGA online and download the result without changing the original.

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Drop your files here or click to select them from your device Select files Accepted formats: JPG, JPEG, PNG, GIF, WEBP, BMP, AVIF, TGA Up to 20 files, 20 MB per file

Selected files

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How to configure the result

Each option controls a specific part of processing. Keep defaults when you do not need to control that aspect.

Sets size, orientation or used area. Preserve proportions to avoid distortion.
Sets size, orientation or used area. Preserve proportions to avoid distortion.
Choose the generated file format. Only targets compatible with the input are listed.
Controls the balance between fidelity and size. Higher values usually produce larger files.
Private, temporary processingFiles are deleted automatically after 60 minutes.

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Images

What Generate thumbnails does

Creates a ZIP containing resized thumbnails. The tool validates the selected files and applies only the requested operation and settings. The tool inspects content to extract, validate, compare or represent information.

Compatibility and limits

Input formats
JPG, JPEG, PNG, GIF, WEBP, BMP, AVIF, TGA
Results
ZIP
Number of files
Minimum 1, maximum 20
Maximum total size
24 MB
FAQ

Frequently asked questions

Yes when content is interpreted. It assists analysis but does not replace a final check.

Input supports JPG, JPEG, PNG, GIF, WEBP, BMP, AVIF, TGA and can produce ZIP. The selector rejects incompatible extensions before processing.

No. A new result is created and the uploaded file remains unchanged during temporary processing.
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