Image Resizer — Free Online Tool
Drop images anywhere
Release to add your files
FREE · BROWSER-BASED · NO UPLOADS

Image Resizer

Resize images to exact dimensions. Cover, contain, or stretch to fit. Everything runs on your device.

Drop images here or click to browse
JPG · PNG · WEBP · GIF · BMP · AVIF · HEIC / HEIF
Multiple files supported · Max 50 MB per file
— or —
Browse files
Add more images
Click or drop files here
⚠ One or more files exceed 30 MB — resizing may be slow on some devices.
Global Settings — applies to all images without individual overrides
Quick Presets
Dimensions (px)
Width
px
×
Height
px
Fit Mode
Crop position
Cover: crops to fill. Contain: fits inside. Fill: stretches to exact size.
0 file(s) queued
Totally Private
Your photos stay on your device. Nothing gets uploaded, ever.
Exact Dimensions
Type your own size or pick a ready-made preset.
Do It All At Once
Drop a bunch of photos in, resize them all in one go.
Works Anywhere
Phone, tablet, laptop — resize on whatever you've got.

Why Resize Image Online?

Image Resizer lets you resize images online to any width and height without installing software. Whether you need to resize a photo for social media, a website, an online form, an app icon, or an email signature, our browser-based image resizer delivers fast, accurate results while maintaining excellent image quality.

Every image is resized directly in your browser, so your files never leave your device. No uploads, no sign-up, and complete privacy. Need to change the file format? Try our Image Converter. Want a smaller file size after resizing? Use our Image Compressor to optimize your images.

Supports JPG, JPEG, PNG, WEBP, AVIF, HEIC/HEIF, GIF, BMP, TIFF, ICO, and SVG with custom dimensions, aspect ratio lock, preset sizes, and batch image resizing—all processed securely in your browser.

Common Resize Presets

Use Case Best For Dimensions Aspect Ratio Format
SOCIAL Instagram post 1080 × 1080 1:1 JPG / WEBP
SOCIAL Facebook cover photo 820 × 312 ~2.6:1 JPG / PNG
DOCS Passport / ID photo 600 × 600 1:1 JPG
WEB Website thumbnail 400 × 300 4:3 WEBP / AVIF
WEB Blog banner image 1200 × 630 ~1.9:1 WEBP / JPG
EMAIL Email signature logo 200 × 60 ~3.3:1 PNG
APP App icon 512 × 512 1:1 PNG

How to Resize an Image

1
Drop your image
JPG, PNG, HEIC, AVIF & more supported
2
Enter dimensions
Type width & height, or pick a preset
3
Lock aspect ratio
Optional — keeps your photo from stretching
4
Click Resize
Instant — no upload, no server
5
Download file
Save or ZIP all files at once

Frequently Asked Questions

No. Everything runs in your browser. Your files never leave your device.

Yes, completely free. No sign-up, no limits.

JPG, PNG, WEBP, GIF, BMP, AVIF, and HEIC/HEIF as input. Same formats available as output.

Yes, drag and drop multiple files at once
for batch resize.

No. Your converted images are completely watermark-free.