🖼️ Image Tool

Image Resizer Online Free

Resize any image to exact pixel dimensions with smart aspect ratio lock. Download as JPG, PNG or WebP. Everything runs in your browser — private and free.

About Image Resizer

This free online image resizer lets you change image dimensions to any exact pixel size. The smart aspect ratio lock prevents image distortion — change width and height updates automatically. Ideal for social media, websites, presentations and emails.

Common uses: Instagram square (1080×1080), Facebook banner (1200×628), website thumbnails, profile pictures and presentation slides. All resizing happens in your browser — zero data is sent to any server.

Updated: March 2025 · Output: JPG, PNG, WebP · Max input: 20MB

Frequently Asked Questions

What is aspect ratio lock?+

Aspect ratio lock maintains the original width-to-height proportion. When you change one dimension the other adjusts automatically to prevent distortion.

Can I resize to any custom dimension?+

Yes — type any width and height in pixels, or choose from presets like Instagram (1080×1080) or Facebook banner (1200×628).

Will quality reduce when I enlarge an image?+

Enlarging beyond the original size may reduce sharpness. Reducing size generally maintains excellent quality.

Which format should I download as?+

Choose PNG for transparent backgrounds and logos. JPG or WebP for photographs. WebP gives smallest file size at same quality.

Is there a maximum size?+

Input up to 20MB. Output up to 8000×8000 pixels. Very large outputs may be slow on older devices.

Image Resizer Online Free

About Image Resizer

Frequently Asked Questions

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