Free Online Image Compressor – Reduce Image Size Without Quality Loss
Compress JPG, PNG, and WebP images in seconds. Improve page speed, Core Web Vitals, and SEO — all in your browser.

Tip: After compression, download the optimized image and replace it on your pages to instantly speed up load time.
What is an Image Compressor?
An image compressor reduces the file size of your images while keeping them visually sharp. It’s a must-have for bloggers, e-commerce stores, designers, and any site that relies on fast loading and clean visuals.
Why Use Poxiro’s Online Image Compressor?
- ✅ Up to 90% size reduction with smart compression.
- ✅ No visible quality loss for most photos and graphics.
- ✅ Faster pages → better UX, conversions, and SEO.
- ✅ Supports JPG, PNG, and WebP output.
- ✅ Free & private — processed in your browser.
How to Compress Images (Step by Step)
- Open the tool: Poxiro Online Image Compressor.
- Upload your image (JPG/PNG/WebP).
- Wait for processing and preview the result.
- Download the optimized image.
SEO & Performance Benefits
Google ranks faster websites higher. By compressing images you reduce page weight, improve Largest Contentful Paint (LCP), and pass Core Web Vitals more easily. That means better organic visibility and more traffic.
Best Practices & Tips
- Right format: Photos → JPEG/WebP, graphics with transparency → PNG/WebP.
- Resize large images: Keep width close to your content container (e.g., 1200px max).
- Use descriptive filenames: e.g.,
product-red-sneakers.jpg
. - Add proper alt text: Helps accessibility and image SEO.
- Lazy load below-the-fold images to save bandwidth.
Frequently Asked Questions (FAQ)
Does compression reduce quality?
Our tool applies efficient compression designed to keep images visually identical while greatly reducing file size.
Which formats are supported?
You can compress and download in JPG, PNG, or WebP formats.
Is the compressor free?
Yes, it’s 100% free to use on Poxiro.
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