Is the image optimizer free to use?

Yes. It’s free and runs in your browser - no signup, no install.

What does ‘optimize for web’ actually do?

It re-encodes the image with settings that keep quality visible while reducing file size: smart quality level, optional modern format (WebP / AVIF), and removal of metadata pages don’t need.

Should I convert images to WebP or AVIF?

WebP gives ~25–35% smaller files than JPG at similar quality and is widely supported. AVIF compresses even better but takes longer to encode. Either is a strong choice for modern sites.

How small should my web images be?

Aim for ≤ 200 KB for hero images, ≤ 150 KB for in-content photos, and ≤ 50 KB for thumbnails. Always resize to the display size before optimizing for the biggest wins.

Can I optimize many images at once?

Yes. Upload multiple files, optimize the batch, and download everything in a single ZIP.

Does the tool upload my images to a server?

Optimization runs in your browser. Files are processed locally and not stored on our servers.

Image Optimizer

Optimize images for faster loading and better performance

Privacy-First • No Data Collection

Image Optimizer

Optimize images for faster loading and better performance. Reduce file sizes while maintaining visual quality with advanced compression algorithms.

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지원 형식: JPG, PNG, GIF, WebP, SVG, AVIF, HEIC, BMP, TIFF, ICO • JFIF • 최대 20개 파일

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Optimization Settings

Quality: 85%

Higher quality = larger files, lower quality = smaller files

출력 형식

크기 조정 모드

진보적 JPEG

Loads images progressively for better perceived performance

메타데이터 제거

Removes EXIF data to reduce file size

이미지 최적화 정보

WebP Format

Modern format with 25-35% better compression than JPEG

Quality Control

Balance between file size and visual quality

진보적 JPEG

Loads images in multiple passes for better UX

Metadata Removal

Removes EXIF data to reduce file size