Create Thumbnails in Multiple Sizes

Generate responsive thumbnail sets with a single drag-and-drop.

Comma-separated sizes: Enter pixel values such as 64, 128, 256. Thumbnails export together in a ZIP.

About This Spell

With a wizard's whisper, generate responsive thumbnail variants for multiple images at once—ideal for galleries and preview grids.

What is Batch Thumbnails?

Batch Thumbnails is a free image editor from WizardOfAZ. Use it to work with images using flexible options as part of your design and publishing, without installing extra software.

Because everything happens locally in your browser, your images stay under your control while you work with images using flexible options.

Popular ways to use Batch Thumbnails

  • Streamline design and publishing by using Batch Thumbnails to work with images using flexible options.
  • Share deliverables faster—processed images are ready for download in seconds.
  • Combine Batch Thumbnails with other WizardOfAZ tools to keep complex workflows in one browser tab.

Examples and workflow tips

  • Upload a sample file, cast the spell to work with images using flexible options, and download the processed result instantly.
  • Bookmark the Batch Thumbnails in your browser so recurring tasks stay only one click away.
  • Share the spell with teammates who need a quick, no-install way to work with images using flexible options.

Frequently asked questions

Is the Batch Thumbnails secure?

Yes. The Batch Thumbnails runs entirely in your browser, which means your images never leave your device.

What can I do with the Batch Thumbnails?

You can design and publishing by processing images without uploading them to an external service.

Can I use Batch Thumbnails on mobile?

Yes. WizardOfAZ tools are responsive, so you can launch the spell on desktops, tablets, or phones without installing extra apps.

Related tools to explore

Expand your toolkit with other WizardOfAZ spells that complement Batch Thumbnails:

  • BMP Compress — Use it to compress images without losing quality.
  • BMP Crop — Use it to crop images to highlight key content.
  • BMP Resize — Use it to resize images with precise dimensions.