WizzyTools

Resize images in bulk for free 0 uses

Resize many JPG, PNG, or WebP images at once by percentage, dimensions, or max file size, right in your browser.

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How it works

  1. 1

    Upload the image you want to edit (JPG, PNG, or WebP).

  2. 2

    Adjust the settings — size, angle, crop area, filter, or watermark text.

  3. 3

    Preview the result live as you adjust.

  4. 4

    Download the edited image.

Why use this tool

Every image task, one place

Resize, compress, convert, crop, rotate, filter, and watermark — no need for a heavyweight photo editor.

100% private, always

Every tool runs entirely in your browser using the canvas API — your images are never uploaded to a server.

Works on any device

Runs in the browser on Windows, Mac, Linux, iOS, and Android — nothing to install, nothing to trust but the tab.

Instant results

No queues and no desktop app to wait on — edits and conversions finish the moment you make them.

Convert to any format

Move between JPG, PNG, WebP, and ICO — output stays sharp, with quality settings when you need control.

Free, always

Every tool here is free to use, with no watermarks, size limits, or forced trial period.

Frequently asked questions

There is no fixed limit. Images are resized one after another in your browser, so very large batches simply take a little longer.

Resize every image by a percentage, fit them inside a width and height, stretch them to exact dimensions, or shrink each one under a maximum file size.

No. Every resize happens locally with your browser's canvas API, so your files never leave your device.

When resizing by file size, PNG images are saved as JPG so their quality can be lowered to reach the target. The other modes keep the original format.

Download any single file from its row, or grab every resized image together in one ZIP archive.

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