No upload required Browser-based 10 formats

Resize Image

Change image dimensions precisely without leaving your browser

Resize Settings

Compare

ImageTiny app icon

ImageTiny

Crop + resize

Want crop and resize tools on iPhone?

ImageTiny gives you on-device crop, resize, compression, conversion, and privacy-first cleanup for everyday photo edits on iPhone.

On-device Batch 200 Privacy-first
Download on App Store

Best for common iPhone photo workflows like HEIC, JPG, PNG, and WebP.

Resize Image Online and Change Image Dimensions Fast

This page is built for users who want to resize image online, change image dimensions, or use an image resizer for blog assets, product photos, profile pictures, and document images.

A dedicated photo resizer is useful when the goal is exact width and height control instead of general editing. You can lock the aspect ratio, resize multiple files, and export to the output format that best fits your workflow.

Resize Photos for Websites and Social Media

Change image dimensions for article covers, product images, profile pictures, banners, and content uploads that need exact sizing.

Keep Aspect Ratio Whilst Resizing

Use ratio lock when you want the image resizer to preserve the original proportions whilst changing width or height.

Batch Resize Images

Resize multiple images in one run, compare the results, and download the finished files individually or together as ZIP.

Related Search Coverage resize image photo resizer multiple image resizer change image dimensions

More image resizing searches this page can cover

This page can also support searches like resize image, photo resizer, multiple image resizer, change image dimensions when you need change image dimensions for websites, social posts, product pages, and batch delivery.

Common workflows

change image dimensions for websites, social posts, product pages, and batch delivery.

Why this page fits

Resize Image works directly in your browser, which is useful when you want a faster workflow without uploading files.

Best fit

Use this page when the main task is image resizing instead of general image editing.

Features

Batch Resize

Resize multiple images in one run.

Precise Dimensions

Set exact pixel values with ratio lock.

Private Processing

Everything runs locally in your browser.

Flexible Output

Export to browser-supported output formats (auto-detected on your device).

How to Resize Images

1

Upload one or more images

2

Select resize mode and dimensions

3

Choose output format and quality

4

Click resize and download results

Frequently Asked Questions

It can if you aggressively downscale or use low quality output. You can keep quality high with adjustable output settings.

Yes. The ratio lock option keeps width and height proportional.

Yes. You can resize multiple images in one operation and download them together as ZIP.

No. All resizing happens in your browser locally.

Instagram posts work well at 1080x1080px, Facebook covers at 820x312px, Twitter headers at 1500x500px, and LinkedIn posts at 1200x627px.

This tool resizes in pixels, not DPI directly. For print, calculate the pixel dimensions you need: a 4x6 inch print at 300 DPI needs 1200x1800 pixels.

Use exact pixels when the target platform has specific dimension requirements. Use percentage when you just want the image proportionally smaller.

You can choose resize modes by width, height, or exact size. Enter the specific dimensions you need and the tool will handle the rest.

Yes. Resize Image is a good fit when you need change image dimensions for websites, social posts, product pages, and batch delivery.

Yes. It covers the same image resizing workflow with local browser-based processing.