Online Image Resizer

Resize images to custom width/height dimensions. Convert formats and maintain aspect ratios client-side.

Upload Image:

🖼️

Drag & drop your image here

supports JPG, PNG, WebP, GIF, and BMP

Select Image

⚙️ Resize Settings

Width (px):

Height (px):

Lock Aspect Ratio

Background Fill

📦 Export Settings ▼

Features

Why Use Image Resizer?

Resize and adjust image dimension ratios securely.

📏

Aspect Ratio Lock

Automatically calculates and maintains target height values during width edits to prevent distortion.

⚙️

Format Conversion

Supports direct exporting to standard web image formats including PNG, JPEG, and WebP.

🔒

100% Client-Side

Processes all image editing actions local in your browser canvas. No server upload.

⚡

Fast Execution

Utilizes fast HTML5 Canvas rendering to complete resizing processes in milliseconds.

📁

Drag & Drop

Interactive upload panel supports drag-and-drop actions for fast file selection.

📱

Responsive Design

Beautiful, modern interface that fits perfectly across tablet viewports and desktop monitors.

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Frequently Asked Questions

It is an online utility that updates the height and width pixel configurations of an image file client-side.

When active, it locks the proportions of the image so that editing the width automatically calculates the correct height (preventing stretching).

We support saving the final resized image into PNG, JPEG (JPG), or optimized WebP formats.

No. Resizing processes run local inside the browser canvas context. Your images remain private and secure.

Scaling down reduces file size with minimal visual loss. Scaling up beyond original limits can lead to pixelation.

Currently, the tool supports loading and customizing one image file at a time for optimal rendering speed.

While there is no server limit, loading files larger than 50MB may temporarily freeze the browser page thread.