123024.com · Image Compress
Compress images with adjustable quality using a drag-to-compare preview. Supports PNG, JPG, and WebP formats. No data is uploaded to any server — all processing uses the HTML5 Canvas API.
Compress images with adjustable quality using a drag-to-compare preview. Supports PNG, JPG, and WebP formats. No data is uploaded to any server — all processing uses the HTML5 Canvas API.
1. Drop or select an image Drag and drop an image onto the drop zone, or click to browse. Supports PNG, JPG, WebP, GIF, BMP, and SVG input.
3. Compare and download — Drag the comparison slider to see original vs. compressed side by side. Download the result or copy it to clipboard.
Why is the quality slider hidden for PNG? PNG is a lossless format — adjusting quality has no effect. To reduce PNG file size, convert to WebP using the [Image Converter](/image-convert).
Are my images uploaded to a server? No. All image processing happens in your browser using the Canvas API. Your images never leave your device.
What image formats are supported? Input: PNG, JPG, WebP, GIF, BMP, SVG, AVIF. Output format matches input format. GIF, BMP, SVG, and AVIF output as PNG.