Batch Image Optimizer

Compress and convert multiple images to WebP, PNG, or JPG instantly. Built for developers. 100% browser-based โ€” your images never leave your device.

Optimization Settings

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Drop images here or click to upload

Supports PNG, JPG, JPEG, GIF, WebP ยท Multiple files supported

Your images never leave your browser

๐Ÿ”’ Images are processed entirely in your browser. Nothing is uploaded to any server.

What is PixSqueeze?

PixSqueeze is a free, browser-based batch image optimizer designed for developers, designers, and anyone who needs to compress multiple images quickly. Convert PNG, JPG, and GIF files to WebP, optimize compression quality, resize to max dimensions, and strip metadata โ€” all without uploading your images to any server. Everything runs directly in your browser using the Canvas API.

Why Convert Images to WebP?

WebP is a modern image format developed by Google that provides superior compression compared to PNG and JPG. WebP images are typically 25-35% smaller than comparable JPG images and up to 80% smaller than PNG files with transparency. All modern browsers including Chrome, Firefox, Safari, and Edge support WebP. For Next.js projects specifically, using WebP images alongside the Next.js Image component delivers significant Core Web Vitals improvements โ€” particularly for Largest Contentful Paint (LCP).

PixSqueeze for Next.js Developers

Next.js automatically serves WebP images when using the built-in Image component, but your source assets still matter. Using pre-optimized WebP source images reduces the processing load on your server, speeds up Vercel build times, and improves your Lighthouse performance scores. PixSqueeze is designed with the Next.js workflow in mind โ€” batch convert your entire assets folder before committing to reduce repository size and improve build performance.

Supported Input Formats

Output Format Guide

WebP โ€” Recommended for Web

Best choice for website images, blog posts, product photos, hero images, and any web-facing assets. Supported by all modern browsers. Provides the best balance of file size and quality. Ideal for Next.js, React, Vue, and any modern web project.

JPG โ€” Best for Photos and Universal Compatibility

Use JPG when you need maximum compatibility including older browsers, email clients, social media platforms, and print. Best for photographs where lossy compression is acceptable.

PNG โ€” Best for Graphics with Transparency

Use PNG for logos, icons, UI elements, screenshots, and any image that requires a transparent background. PNG is lossless so quality is preserved but file sizes are larger than WebP or JPG.

Quality Settings Guide

What Does Strip Metadata Mean?

Image metadata (also called EXIF data) is information embedded in image files including camera model, GPS location coordinates, date and time, photographer name, and copyright information. Stripping metadata reduces file size and removes potentially sensitive location data before publishing images online. PixSqueeze automatically strips metadata from all processed images using the browser Canvas API โ€” this is a standard security and privacy best practice for web-published images.

Are My Images Private?

Yes. PixSqueeze processes all images entirely in your browser using the HTML5 Canvas API. Your images are never uploaded to any server, sent to any API, or stored anywhere outside your device. The tool works completely offline once the page is loaded. This makes PixSqueeze safe to use with confidential images, client work, proprietary product photos, and sensitive personal images.

Frequently Asked Questions

How many images can I optimize at once?

There is no enforced limit on the number of images. Processing happens sequentially in your browser so very large batches (100+ images) will take proportionally longer. For very large batches, consider processing in groups of 20-30 for the best experience.

Does PixSqueeze support batch resize?

Yes. Use the Max Width setting to resize all images to a maximum width. Images smaller than the max width are not upscaled. Aspect ratio is maintained by default.

Can I use PixSqueeze for Next.js image optimization?

Yes. PixSqueeze is specifically designed for developer workflows. Convert your source assets to WebP before adding them to your Next.js project to reduce repository size and improve build performance.

Does WebP support transparency?

Yes. WebP supports alpha channel transparency just like PNG. You can safely convert transparent PNG files to WebP without losing the transparent background.

Why are my PNG files not getting smaller?

PNG uses lossless compression so quality settings have limited effect. For significant size reduction from PNG, convert to WebP instead โ€” WebP typically achieves 70-80% size reduction compared to PNG.

Can I download all optimized images at once?

Yes. After optimization, click the Download All as ZIP button to download all processed images in a single ZIP file.

Does PixSqueeze work offline?

Once the page is loaded, all processing runs in your browser without needing an internet connection. The fonts and page UI require an initial connection to load.

Is PixSqueeze free for commercial use?

Yes. PixSqueeze is completely free with no usage limits, no account required, and no commercial use restrictions.