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Convertisseur
Image Resizer
Resize images client-side with format conversion and quality control.
About Image Resizer
Image Resizer is a free online tool that lets you resize images directly in your browser without uploading them to any server. It supports PNG, JPEG, and WebP output formats with adjustable quality settings, and maintains aspect ratio to prevent distortion.
How to Use
Drag and drop an image or click to select one from your device. Set the desired width and height — toggle the lock icon to maintain aspect ratio. Choose your output format (PNG, JPEG, or WebP) and adjust quality for JPEG/WebP. Click Resize to process and Download to save the result.
Common Use Cases
- •Resizing images for social media profile pictures and banners
- •Optimizing images for website performance
- •Converting between image formats (PNG to WebP for smaller files)
- •Creating thumbnails for blog posts or galleries
- •Reducing image file size for email attachments