Image Resizer
Resize images to custom dimensions, percentages, or social media presets instantly
Popular Social Media Sizes
What is Image Resizing?
Image resizing is the process of changing the dimensions (width and height) of an image. Unlike compression, which focuses on reducing file size, resizing changes the actual pixel dimensions of the image to fit specific requirements or platforms.
Our image resizer uses high-quality resampling algorithms to maintain image clarity when scaling. Whether you need to make images smaller for web use or larger for print, the tool preserves as much detail as possible during the resize operation.
When to Resize Images?
Social Media Posts
Each platform has optimal dimensions. Resize images to match Instagram, Facebook, Twitter, or LinkedIn requirements for best display quality.
Website Optimization
Resize large images to web-friendly dimensions to improve page load speed without sacrificing visual quality.
Email Attachments
Reduce image dimensions to send via email without hitting attachment size limits.
Profile Pictures & Avatars
Create perfectly sized profile pictures for different platforms without distortion.
Resize Modes Explained
Custom Dimensions
Specify exact width and height in pixels. Enable "Lock aspect ratio" to automatically calculate one dimension based on the other, preventing distortion.
Percentage Scaling
Scale your image by a percentage (5% to 200%). Perfect when you want to uniformly resize without calculating exact dimensions. 50% creates an image half the size, 200% doubles it.
Social Media Presets
One-click resize to optimal dimensions for popular social media platforms including Instagram, Facebook, Twitter, LinkedIn, and YouTube. No need to look up size requirements!
Frequently Asked Questions
Does resizing reduce image quality?
Making images smaller generally maintains good quality. Making them larger (upscaling) may reduce sharpness as new pixels are interpolated. Our tool uses high-quality resampling to minimize quality loss.
What does "Lock aspect ratio" mean?
Aspect ratio is the proportional relationship between width and height. Locking it prevents distortion by automatically adjusting one dimension when you change the other, maintaining the original proportions.
Is my data safe and private?
Absolutely! All resizing happens entirely in your browser using JavaScript. Your images never leave your device, ensuring complete privacy and security. No images are uploaded to any server.
What's the difference between resizing and compressing?
Resizing changes the pixel dimensions (width × height) of an image. Compression reduces the file size while keeping dimensions the same. Both can reduce file size, but serve different purposes.