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Online Image Compressor & Optimizer

High-speed browser-based image compression. Reduce file size up to 80% with live before/after file size comparisons, quality percentage slider, and instant download without server uploads.

⚡ Quick Answer

An image compressor decreases file size in bytes by optimizing color palettes and applying smart compression algorithms without noticeable degradation in visual quality.

💡 How It Works

Renders the uploaded image into an off-screen HTML5 Canvas context and re-encodes the image blob using customizable compression quality ratios.

📖 How to Use Image Compressor

  1. Drag and drop or select your JPG, PNG, or WebP image.
  2. Adjust the Quality slider (e.g. 75% for optimal balance of size and visual fidelity).
  3. Inspect the computed file size savings in the results card.
  4. Click Download Compressed Image.

✨ Key Features

  • Canvas lossy & lossless compression
  • Live side-by-side visual preview
  • Real-time byte savings calculation
  • Batch download support

❓ Frequently Asked Questions

Are my images uploaded to any remote server during compression?

No. All image decoding and compression happen locally within your browser using the HTML5 Canvas API.

What is the maximum file size supported?

You can safely process images up to 25MB per file depending on your device available memory.