Image Compressor

100% Free · Client-Side

Compress images to reduce file size without losing quality. Smart compression with before/after preview.

Drop images here or click to browse

Supports JPEG, PNG, WebP, BMP, GIF

Max 50MB per file

What is the Image Compressor?

The Image Compressor is a free, client-side tool that reduces image file sizes without a noticeable loss in visual quality. Using smart lossy compression (JPEG) or next-gen WebP conversion, you can shrink images by 50-80% while keeping them sharp. All processing is done locally in your browser — no uploads, no accounts needed.

Why Compress Images?

Faster Page Load Times

Images account for 50-60% of average page weight. Smaller images directly improve load time and Core Web Vitals scores.

Smaller Email Attachments

Stay under email attachment limits by compressing photos before sending. Ideal for newsletters and client communication.

Save Storage Space

Compress large photo libraries to save disk space on your device or cloud storage.

Faster Uploads

Compressed images upload faster to CMS platforms, social media, and e-commerce sites.

Common Use Cases

  • Compress product photos for Shopify, WooCommerce, or Etsy
  • Reduce blog post image sizes to improve WordPress page speed
  • Compress screenshots before adding to documentation or slide decks
  • Shrink portfolio images for faster website loading
  • Compress images before sharing on messaging apps or social media
  • Reduce file sizes for images used in mobile apps

Technical Specifications

ParameterDetails
Max file size50 MB per image
Output formatsJPEG, WebP
Quality range10% – 100%
Typical savings40–80% file size reduction
Processing100% in-browser, no server uploads

Frequently Asked Questions

1. What quality setting should I use?

For most web use cases, 70–80% quality provides an excellent balance between file size and visual fidelity. For high-quality prints or original archives, use 90%+. For small thumbnails or previews, 60% or lower is often sufficient.

2. Does JPEG or WebP compress better?

WebP typically compresses 25-35% better than JPEG at an equivalent visual quality level. While JPEG has universal compatibility, WebP is now supported by all major modern browsers and is recommended for web performance.

3. Will transparent PNG backgrounds be preserved?

No. Both JPEG and WebP (in lossy mode used here) will fill transparent areas with a solid white background. To keep transparency, you should use a lossless format or our dedicated PNG tools.

4. Is my data secure during compression?

Yes. All compression happens locally in your browser using the Canvas API. Your images never leave your computer and are never uploaded to our servers, ensuring total privacy.

Image Optimization Resources