Image Compressor

Compress PNG and JPEG image files in your browser using HTML5 Canvas. Shrink file sizes significantly without uploading images to any remote server.

🔒 100% Browser Canvas Processing. Your image files are never uploaded.

Drag & Drop Image Here, or Click to Browse

Supports PNG, JPEG, WebP (Max file size depends on browser RAM)

Compression Quality: 80%

Original: 0 KB

Compressed: 0 KB

0% Smaller

Original Image Preview

Compressed Output Preview

How Browser Image Compression Works

Using HTML5 Canvas canvas.toDataURL(), your browser decodes the image into pixel data and re-encodes it into JPEG/WebP format with adjustable quantization. Because this happens inside browser memory, your personal photos remain 100% private.