About Image Resizer

Our free image resizer lets you change image dimensions, compress file size, and convert between formats — all in your browser. Using HTML5 Canvas, the tool processes images locally without uploading them to any server. No signup, no watermark, no limits.

Features

• Custom width and height in pixels
• Maintain aspect ratio (lock dimensions)
• Don't enlarge option (prevent upscaling)
• Quality control (10%-100%)
• Format conversion: PNG, JPG, WebP
• Preset sizes (HD, Full HD, 500×500, etc.)
• Percentage resize (50%, 25%)
• Side-by-side original vs resized preview
• File size comparison with savings percentage
• 100% client-side — no server upload