Image Resize
Resize images to any dimension with aspect ratio lock.
Upload your file
Drag & drop or click to select a file from your device.
Adjust settings
Configure options to get the result you want.
Download result
Get your processed file instantly. No waiting.
Key Features
Pixel-Perfect Dimensions
Enter exact width and height in pixels to resize your image precisely. Ideal for meeting specific size requirements for web, print, or app assets.
Ready-Made Size Presets
One-click presets for HD, Full HD, 2K, 4K, plus social media sizes like Instagram (1080×1080) and Twitter (1200×675). No guesswork needed.
Aspect Ratio Lock
Keep your image proportions intact with the aspect ratio lock — enabled by default. Toggle it off anytime for free-form resizing when you need a different crop.
Smart Fit to Preset
When you pick a preset, the tool automatically fits your image within those dimensions while preserving the original aspect ratio. No stretching, no distortion.
Instant Preview & Info
See your resized image immediately with the new dimensions displayed. Compare before and after to make sure every pixel is right.
100% Private — No Upload
All resizing happens locally in your browser using the Canvas API. Your images never leave your device — safe for personal photos and confidential files.
About This Tool
What is Image Resize?
Image Resize changes image dimensions to exact pixel sizes or social media presets. Resize images for web, email, or print while maintaining aspect ratio — or set custom width and height values.
Includes presets for common sizes like Instagram posts, Facebook covers, Twitter headers, and more.
Common Use Cases
- Social Media: Resize images for Instagram, Facebook, Twitter, or LinkedIn requirements
- Website Images: Resize photos for consistent web page layouts
- Email Marketing: Resize images to fit email template dimensions
- Thumbnails: Create consistent-sized thumbnails for galleries or listings
- Print: Resize images for specific print dimensions
Privacy-First Image Resizing
Images are resized locally in your browser using the Canvas API.
- Your images never leave your device
- No server processing or cloud uploads
- Works offline after the page loads