100% Client-side · Privacy-friendly

Image Compressor

Compress JPEG, PNG and WebP images directly in your browser. Your images never leave your device — no uploads to any server.

Settings
Output format
Quality80%
Smaller fileBetter quality
Max dimensions (px)
Width
Height
Image is scaled down only if it exceeds these limits.
Quick presets
🖼️
Drop images here
or click to select files
JPEG · PNG · WebP · GIF · BMP · Multiple files supported

Free Online Image Compressor

Reduce image file size without losing quality. This tool compresses JPEG, PNG and WebP images entirely in your browser — no file uploads, no accounts, no limits.

How does image compression work?

Images are compressed using the browser's built-in Canvas API. For JPEG and WebP, you control the quality level (10–100%). Lower quality means smaller files but more visible artifacts. PNG compression is lossless — it reduces file size without any quality loss, though the savings are typically smaller.

When should you compress images?

  • Before uploading to a website or blog to improve page load speed
  • Before sending by email or messaging apps with file size limits
  • Before storing in a database or CDN to reduce storage costs
  • Before sharing on social media for faster uploads

JPEG vs PNG vs WebP — which format to choose?

  • JPEG — best for photos and images with gradients. Lossy, small file sizes.
  • PNG — best for screenshots, logos and images with transparency. Lossless.
  • WebP — modern format, best compression for both photos and graphics. Supported by all modern browsers.

Is this image compressor safe?

Yes — everything runs locally in your browser using the Canvas API. Your images are never uploaded to any server and never stored anywhere. You can even use this tool offline once the page is loaded.

Related tools

  • Image Resizer — resize images to exact dimensions
  • WebP Converter — convert PNG and JPEG to WebP format
  • Base64 Encoder — convert images to Base64 strings