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📐 Image Resizer

Resize any image to exact pixel dimensions or by percentage. Maintain aspect ratio automatically. Free, instant, no signup.

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Drop your image here

Supports JPG, PNG, WebP, GIF

Resizing image...

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How to Resize Images Online

Use our free image resizer to change the dimensions of any image. Choose between resizing by exact pixel dimensions or by percentage scale. The aspect ratio lock ensures your image doesn't get stretched or distorted.

Common use cases include resizing images for social media posts (Instagram: 1080×1080px, Twitter header: 1500×500px), email attachments, website uploads, and printing.

Frequently Asked Questions

Will resizing reduce image quality? +
Scaling down (making smaller) generally looks good. Scaling up (making larger) may result in some blurriness since pixels must be added. Always try to resize down rather than up for best results.
What does "lock aspect ratio" mean? +
Locking the aspect ratio means when you change the width, the height automatically adjusts proportionally (and vice versa), so your image isn't stretched or squished.
What are common social media image sizes? +
Instagram post: 1080×1080px. Facebook cover: 820×312px. Twitter/X header: 1500×500px. YouTube thumbnail: 1280×720px. LinkedIn banner: 1584×396px.