Bulk Resize Images

Our private Bulk Image Resizer lets you drag, drop, and resize multiple images at once with flexible options like percentage or fixed dimensions. It supports format conversion (Auto, JPEG, PNG, WebP), preserves aspect ratio, prevents file size increases, and allows you to download individual results or all images in a ZIP.

Drag & drop up to 200 images here or click to browse.
(JPEG, PNG, GIF, WebP; other image formats will be accepted too)
Selected Images
Resize Options
Reset
Resized Images

Privacy: All image processing is executed entirely client-side using in-browser technologies (e.g., JavaScript). Image data never leaves your device, is not transmitted over the network, and is not written to or stored on any server. This ensures full privacy and security, as all operations occur within your local browser environment.

Use this tool completely offline

Download the page once and use it anytime, even without internet.

100% Offline

How to use

  1. Drag & drop up to 200 images into the large box (or click to browse). You’ll see each file listed with name, preview, original dimensions, size, and a Remove button.
  2. Pick a Mode:
    • Percentage -> enter a percent to scale both sides.
    • Dimensions -> optionally keep aspect ratio. When Keep aspect ratio is on, type either width or height (the other clears automatically). Turn it off to set both.
  3. Choose Convert format (Auto, JPEG, PNG, WebP).
  4. Click Resize. Watch the progress bar; outputs appear showing old and new dimensions and size.
  5. Download results individually with Download, or click Download All (ZIP) to save everything at once.
BUILT FOR SIMPLICITY

Everything you need to resize images

Powerful image tools that are fast, private, and completely free.

Privacy Friendly

Your images stay on your device. Processing happens in your browser, not on our servers.

200 Images at Once

Resize entire batches of up to 200 images in one go. Save time with bulk processing.

Format Conversion

Convert images to JPEG, PNG, or WebP to suit your website, workflow, or project.

Control File Size

Adjust image dimensions and quality to get the balance you need between size and clarity.

Preview Before Download

Check your processed images and estimated file sizes before downloading your results.

One-Click ZIP Download

Download all your resized images together in a single ZIP file. No need to save them one by one.

Works Offline

Download the standalone tool once and use it without an internet connection.

No Installation Needed

Resize images directly in your browser. No software installation or account required.

Completely Free

Use every available feature for free, with no paid plan required to get started.

Update: We have now moved the bulk resize tool to the homepage and ResizeFile is now mainly a image resizer tool. (10-10-2026)