Resize Image
Resize an image to exact pixel dimensions, with an optional aspect-ratio lock.
Image tools Client-side Canvas
Tool preview
How to use it
- 01
Drop an image.
- 02
Enter width and height.
- 03
Resize and download.
Limitations
- ! Enlarging beyond the original resolution only interpolates; it cannot add detail.
- ! The aspect-ratio lock follows the original proportions and rounds to whole pixels.
FAQ
How do I resize to a maximum width?
Turn on the ratio lock and type the width; the height follows automatically.
Does resizing reduce file size?
Usually, but the output is PNG; use the compressor for a smaller file.
Is the original file modified?
No, a new file is produced.
Files never leave your device
Processing happens in your browser using the File API, WebAssembly and Web Workers. There is no upload endpoint.
Technical details
- Processing
- Client-side
- Implementation
- Canvas
- Category
- Image tools
- Network requests
- None while processing