Resize Images Online

Change image dimensions in seconds. Resize by pixels, percentage, or preset sizes. Automatically compress for optimal file size.

Resize Images Now

Why Resize Images?

Properly sized images load faster and save bandwidth. Never serve larger images than needed.

Faster Loading

A 4000px image displayed at 800px wastes 95% of the data. Resize to the size you need.

Save Storage

Smaller dimensions mean smaller file sizes, reducing storage costs and backup times.

Social Media Ready

Resize images to exact dimensions required by Facebook, Instagram, Twitter, and LinkedIn.

Resize Options

Multiple ways to resize your images to fit your needs.

By Dimensions

Enter exact width and height in pixels. Lock aspect ratio to prevent distortion.

e.g., 1200x630px

By Percentage

Scale images by a percentage of their original size. Perfect for batch resizing.

e.g., 50% scale

Fit to Size

Fit image within maximum dimensions while maintaining aspect ratio.

e.g., max 2000px

Common Preset Sizes

Quick presets for popular use cases and platforms.

Facebook Post

1200 x 630 px

Instagram Post

1080 x 1080 px

Instagram Story

1080 x 1920 px

Twitter Post

1200 x 675 px

LinkedIn Post

1200 x 627 px

YouTube Thumbnail

1280 x 720 px

HD (1080p)

1920 x 1080 px

4K (UHD)

3840 x 2160 px

Resizer Features

Lock Aspect Ratio

Maintain original proportions to prevent stretching or squishing your images.

Auto Compression

Resized images are automatically compressed for optimal file size without quality loss.

Batch Resize

Resize multiple images at once to the same dimensions. Save time on repetitive tasks.

Format Conversion

Change format while resizing. Get WebP and AVIF versions of your resized images.

Frequently Asked Questions

Resizing down (making smaller) preserves quality well. Resizing up (enlarging) can cause pixelation. For best results, always start with the highest resolution source image and resize down to the sizes you need.

Aspect ratio is the proportional relationship between width and height. Common ratios include 16:9 (widescreen), 4:3 (standard), and 1:1 (square). Locking aspect ratio ensures your image isn't distorted when resizing.

Yes! OctoSqueeze automatically compresses images after resizing using optimal settings. You can also choose your compression mode (quality, balanced, or size) for the final output.

Yes! You can resize images for free using our web tool. Free accounts get 200 images per month. For higher volumes or API access, check our pricing plans.

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Ready to resize your images?

Change dimensions and compress in one step. Free and instant.

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