Image Resizer
Resize images to any dimension
Resize images to any custom dimension or common preset sizes. Maintain aspect ratio or set exact pixel dimensions in your browser.
How to Use Image Resizer
- 1Upload your image by clicking or dragging it onto the upload area
- 2Enter the desired width and height in pixels
- 3Toggle "Lock aspect ratio" to maintain proportions
- 4Select a common preset size if needed (HD, 4K, social media sizes)
- 5Click "Resize" and download your resized image
Features
- Resize to any custom pixel dimensions
- Common presets: HD, Full HD, 4K, social media sizes
- Lock/unlock aspect ratio
- High-quality Lanczos resampling via Canvas
- Download as JPEG, PNG, or WebP
- Processes locally — no server upload
Frequently Asked Questions
Will resizing reduce image quality?
Enlarging an image beyond its original size will reduce quality. Downscaling generally preserves quality well. Use the quality setting to control the output.
Can I resize to social media dimensions?
Yes. Common presets include Instagram (1080×1080), Facebook cover (820×312), Twitter/X header (1500×500), and more.
What file formats can I resize?
You can resize JPEG, PNG, WebP, and most other image formats supported by your browser.
Is there a maximum file size?
The tool supports images up to 20MB. Very large images may take a few seconds to process.