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Resize Images Online

Resize JPG, PNG, WebP and other common image formats quickly and easily. Resize, compress & convert images online — fast, free & private.

Start Resizing Explore Tools
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Drop images here or click to upload

Supports JPG, PNG, WebP, GIF, BMP and AVIF. Multiple files allowed. Paste from clipboard with Ctrl+V.

Resize Images

Presets:
%:

Your Images

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Complete Free Online Image Tools

Everything you need to resize, compress, crop, rotate, watermark and convert images — all in your browser.

Image Resizer

Resize JPG, PNG and WebP images to exact pixels or percentages. Lock aspect ratio to resize without distortion.

Image Compressor

Reduce photo file size with a quality slider. Compress images quickly without installing software.

Image Cropper

Crop images to free or fixed ratios such as 1:1, 4:3, 16:9 and 3:2.

Format Converter

Convert JPG to WebP, PNG to JPG, WebP to PNG and other common formats.

Rotate & Flip

Rotate left, right or 180 degrees. Flip images horizontally or vertically.

Watermark Tool

Add text watermarks with custom font size, color, opacity and position.

100% Private

Image processing happens locally in your browser.

Batch Processing

Resize, compress or convert multiple images and download them all as a ZIP.

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Learn About Image Resizing & Compression

What is an Image Resizer?

An image resizer is a tool that changes the dimensions of a digital image. Image Resizer CTL lets you resize images online free without installing software. Whether you need a JPG resizer, PNG resizer or WebP resizer, the tool works directly in your browser.

How to Resize an Image Online

1. Upload one or more images by dragging them into the upload area or clicking to browse.
2. Enter a target width or choose a preset.
3. Keep Lock Aspect Ratio enabled to avoid distortion.
4. Click Resize All Images.
5. Download your processed images.

How to Resize Multiple Images

Image Resizer CTL is a batch image resizer online. Upload multiple images, choose a width or percentage, and resize them together directly in your browser.

How to Compress Images

Use the image compressor to reduce image file size. Adjust the quality slider to balance file size and visual quality. This makes it easy to optimize images for websites, social media and online stores.

JPG vs PNG vs WebP

JPG is suitable for photographs and complex images.

PNG supports transparency and is useful for logos, icons and graphics.

WebP is a modern image format that can provide smaller file sizes while maintaining good quality.

How to Reduce Image File Size

To reduce photo file size, combine image resizing with compression. Resize the image to the dimensions you actually need and then adjust compression quality.

Why Resize Images Before Uploading to a Website?

Large images can make websites slower. Resizing and compressing images before uploading can help reduce page weight and improve website performance.

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Frequently Asked Questions

Is Image Resizer CTL free?

Yes, Image Resizer CTL is free with no registration required.

Can I resize multiple images?

Yes, you can batch resize multiple images at once.

Can I resize JPG images?

Yes, JPG resizing is supported.

Can I resize PNG images?

Yes, PNG resizing is supported, including transparency.

Can I resize WebP images?

Yes, WebP resizing is supported in modern browsers.

Do I need to create an account?

No account is required.

Are my images uploaded to a server?

Images are processed directly in your browser.

Can I compress images?

Yes, the image compressor lets you reduce image file size with an adjustable quality slider.

Can I convert JPG to WebP?

Yes, you can convert between JPG, PNG and WebP formats.

Can I use Image Resizer CTL on mobile?

Yes, the website is responsive and works on phones, tablets and desktop computers.

How do I download resized images?

Each processed image has a Download button. You can also use Download All to get a ZIP file.