Batch Image Resizer

Resize multiple images at once — by percentage, exact dimensions, or max bounds. Export as PNG, JPG, or WebP. All processing happens in your browser; your images never leave your device.

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Drop images here or click to browse

PNG, JPG, WebP, BMP, GIF — multiple files supported

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Resize Options

Resize Mode

Scale %

Width px

Height px

Max W px

Max H px

Image fits within bounds, preserving aspect ratio. Leave one blank to constrain only one axis.

Social Media

Thumbnails

HD / Widescreen

Output Format

Format

Images

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Upload images to get started

How to Resize Images in Batch

Upload any number of images (PNG, JPG, WebP, BMP, or GIF), choose a resize mode, set your target dimensions or percentage, and click Resize Images. Download all results as a single ZIP or save images individually. Everything runs client-side in your browser — no files are uploaded to any server.

Resize Modes Explained

Percentage — Scale all images by a factor (e.g., 50% halves both dimensions). Great for bulk downscaling.
Exact dimensions — Set a precise width and height. Use the aspect ratio lock to constrain proportions automatically.
Max width/height — Fit images within a bounding box, keeping aspect ratio intact. Ideal for web thumbnails.
Presets — One-click sizes for social media platforms, thumbnails, and HD resolutions.