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Images are processed locally in your browser. Nothing is uploaded.
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Image Resizer
Resize PNG, JPEG, and WebP images in your browser with fixed dimensions or percentage scaling. Preview before/after size, keep aspect ratio, tune output quality, and export instantly.
Image Resizer Use Cases
- Resize hero images and thumbnails for faster pages
- Generate responsive image variants from a single source file
- Reduce upload sizes before sending files to APIs or CMS systems
- Convert between PNG, JPEG, and WebP while preserving output control
Image Resizer FAQ
Do my images leave the browser?
No. Image resizing runs entirely in your browser. Files are never uploaded to a server.
Can I keep the original aspect ratio?
Yes. Enable aspect lock to keep proportional width and height while resizing.
Which output formats are supported?
The tool exports PNG, JPEG, and WebP. PNG preserves transparency, while JPEG/WebP provide adjustable quality.
How are large images processed?
Large inputs above 500KB are processed in a Web Worker to keep the interface responsive.