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Image Compressor

Reduce image file size without losing visible quality. Everything runs in your browser — your images never leave your device.

Drop an image here, or browse files

Supports JPG, PNG, WebP. Max 20MB.

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How to Compress Images Online

Our free image compressor uses your browser's built-in Canvas API to reduce file sizes without uploading anything to a server. This means your photos stay completely private and the compression happens instantly.

Why Compress Images?

  • Faster website loading: Smaller images mean faster page loads, which improves SEO and user experience.
  • Email attachments: Many email providers limit attachment sizes. Compressing images helps you stay within limits.
  • Social media: Platforms often re-compress uploaded images. Starting with an optimized file gives you more control over quality.
  • Storage: Save disk space on your device by reducing photo file sizes.

JPEG vs PNG vs WebP

JPEG is best for photographs and complex images. It supports lossy compression, meaning you can dramatically reduce file size with minimal visible quality loss.

PNG is ideal for images with transparency, text, or sharp edges like logos and screenshots. PNG compression is lossless but files tend to be larger.

WebP is a modern format that offers both lossy and lossless compression. WebP files are typically 25-35% smaller than equivalent JPEGs with similar visual quality.

Privacy Guarantee

This tool processes your images entirely within your web browser using the HTML5 Canvas API. No image data is transmitted to any server. Your files never leave your device.