// bulk image resizer

Bulk Image Resizer

Resize images in bulk — set exact pixels or scale by percentage, up to 20 images at once, right in your browser. Free, private, no sign-in.

Drag & drop or click to upload

JPG, PNG, WebP, GIF, BMP; Upto 5 MB/image

JPGPNG WebPGIFBMP
— → —

Dimensions

Output format

// how it works

How to resize images in bulk.

1

Upload

Drop one or more images, or click to browse. Up to 20 at a time.

2

Set size

Enter pixels or a percentage, or pick a ready-made social media size. Aspect ratio lock optional.

3

Download

One image downloads directly; multiple come as a tidy ZIP. No watermark.

// why this resizer

Exact control, zero hassle.

Pixel-perfect or percentage

Type the exact width and height you need, or scale by percentage and let the resizer do the math. Lock the aspect ratio to keep everything proportional, or unlock it for an exact fit.

  • Precise pixel dimensions up to 20000 px
  • Scale by percentage with live preview
  • Aspect-ratio lock keeps images undistorted

Bulk resize & social sizes

Drop up to 20 images and resize them together, then download a single ZIP — a fast way to resize bulk images without installing any freeware. Each image keeps its own settings, and the Social tab has ready-made sizes for the platforms you post to most.

  • Up to 20 images, packed into one ZIP
  • Social presets: Instagram, Facebook, X, YouTube, LinkedIn, Pinterest
  • Works on Mac, Windows and Linux — nothing to install
  • Everything runs locally — files never leave your device

// more tools

Bulk Image Compressor

Reduce file size while keeping quality. Real-time size preview.

Try it

Bulk Image Converter

Convert between JPG, PNG, WebP, GIF and BMP in one click.

Try it

AI Background Remover

AI background removal. Clean transparent PNG in seconds.

Try it

// questions & answers

Frequently Asked

Drop up to 20 images onto the uploader, set a size in pixels or percentage (or pick a social preset), then download them together as a ZIP. It's a free bulk image resizer that runs entirely in your browser — no software to install on Mac or Windows.

No. Resizing happens entirely in your browser using the Canvas API — your images never leave your device. Only the background-removal tool sends images to an external service.

Making an image smaller stays sharp. Enlarging beyond the original dimensions can look soft, since there's no extra detail to add. Keep the aspect ratio locked to avoid stretching.

Yes — upload up to 20 images at a time. Each keeps its own settings, and they download together as a single ZIP file. A single image downloads directly.

JPG/JPEG, PNG, WebP, GIF and BMP. You can also export the resized image to a different format — for example save a PNG as WebP for a smaller file.

Completely free, no sign-up required, and your downloads are clean — no watermarks, no logos.