Image Compressor

Compress images using HTML5 Canvas. Adjust quality to reduce JPEG file sizes instantly, completely client-side.

Browser-Based

Quick Answer

Shrink image file sizes without noticeable quality loss. Optimize JPEGs, PNGs, and WebPs for faster website loading times and reduced bandwidth costs.

  • Speeding up website load times
  • Bypassing 2MB email attachment limits
  • Optimizing images for SEO (Core Web Vitals)
  • Saving storage space on devices
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Optimizing Core Web Vitals

Large hero images are the primary cause of poor Largest Contentful Paint (LCP) scores. Compressing your images below 100KB ensures sub-second load times on mobile connections, directly improving your Google search rankings.

How to Use

  1. 1Select or drag & drop an image file (max 5MB limit).
  2. 2Use the slider to adjust the target JPEG compression quality (10-100%).
  3. 3Compare the original vs. compressed file sizes and check the savings percentage.
  4. 4Click 'Download JPEG' to save the optimized image.

Common Use Cases

  • Optimizing massive photos for blog posts or CMS platforms.
  • Compressing images to meet the strict 20KB-50KB limits of online application forms.
  • Batch processing assets for mobile app development.

Features

Significantly boosts website Core Web Vitals by reducing image payloads.

Guarantees absolute privacy by processing the image without server uploads.

Maintains highest possible visual fidelity using advanced browser algorithms.

Frequently Asked Questions

How does lossy compression work?
Lossy compression removes visually imperceptible color data. At 80% quality, you can reduce file size by 70% while keeping the image looking identical to the human eye.
What is the maximum file size I can compress?
Because compression happens locally in your browser via WebAssembly, you can process images up to 50MB without upload timeouts.
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