Compress JPEGs. No Uploads.
Fast, private, and free JPEG optimization in your browser.
100% privacy focused — your files never leave your device.
- Uses WebAssembly and open-source compression libraries
- Ideal for web developers, designers, and anyone who values speed
Drag & drop JPEG images here
or
Compress JPEG Images Online — Fast, Secure, and Private
JPEGMinify lets you compress JPEG images in your browser—no uploads, no servers, no delays. Our in-browser JPEG optimization uses WebAssembly and proven open-source encoders to reduce JPEG file size while preserving visual quality. Because your files never leave your device, JPEGMinify is a privacy-first image compressor that’s ideal for performance-focused teams.
Whether you’re preparing assets for web performance, e-commerce listings, blog posts, or client handoffs, JPEGMinify gives you predictable, high-quality output without the overhead of sign-ups or desktop apps. Drag, compress, compare, and download—simple.
Who is JPEGMinify for?
- Web developers and SEOs optimizing Core Web Vitals and page speed
- Designers exporting assets that still look crisp at smaller sizes
- Photographers sharing previews without giant attachments
- Store owners on Shopify/WordPress/Etsy improving product page load
Key Features for Better JPEG Optimization
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Privacy-first, in-browser compression
Your images never leave your device. No uploads, no accounts.
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Adjustable quality (lossy & near-lossless)
Dial in the balance between size reduction and visual fidelity.
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Side-by-side compare & zoom
Visually verify results before you download the optimized JPEG.
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Batch compression & ZIP download
Process multiple files at once and export in a single click.
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Smart fallback
If compression is larger than original, we keep the original automatically.
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Lightweight & fast
Built for Core Web Vitals with minimal JavaScript overhead.
How to Compress JPEG Files with JPEGMinify
- Drag and drop your JPEG images into the tool (or use the file picker).
- Choose a quality level to reduce JPEG file size while maintaining clarity.
- Use the side-by-side comparison and zoom to preview results instantly.
- Download individual images—or export everything as a ZIP.
Because compression runs locally in your browser, JPEGMinify is both fast and secure, making it perfect for web performance workflows and privacy-sensitive projects.
Latest Guides
- Best Practices for Batch Image Optimization
Discover how to optimize multiple images at once using batch tools, automation scripts, and best practices for consistent speed and quality.
- How Progressive JPEGs Improve Website Speed
Learn how progressive JPEGs load faster and enhance user experience by showing a full image instantly and refining details progressively.
- How to Reduce JPEG File Size Without Losing Quality (Free & Online)
Step-by-step guide to reducing JPEG file size for free, online, and without losing quality using JPEGMinify and smart compression techniques.
Frequently Asked Questions
Are my images uploaded to a server?
No. All compression runs locally in your browser via WebAssembly. Your files never leave your device.
Will the image quality drop?
You control quality with a slider. Use the side-by-side preview and zoom to verify that details still look great.
Is JPEGMinify free to use?
Yes. The core JPEG compression tool is free. We may add optional pro features later.
Do I need an account?
No sign-up or login is required. Just drop images, compress, and download.
What file types are supported?
JPEG/JPG today. Support for additional formats may be added in the future.