Which format gives the smallest file size?

WebP typically produces the smallest files. JPEG is the best widely-supported lossy format.

What quality setting should I use?

70-80% is a good balance for web images.

Does optimization reduce dimensions?

Only if you set a maximum width.

Image Optimizer

Optimize and compress images with quality control and format conversion. See before/after size comparison.

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How to use Image Optimizer

Upload an image.
Adjust quality and format.
Optionally set max width.
Click Optimize and Download.

What is Image Optimizer?

Image optimization reduces file size while maintaining acceptable visual quality. This tool lets you adjust quality, choose output format, and limit maximum width.

FAQ

Which format gives the smallest file size?: WebP typically produces the smallest files. JPEG is the best widely-supported lossy format.
What quality setting should I use?: 70-80% is a good balance for web images.
Does optimization reduce dimensions?: Only if you set a maximum width.

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Author

Aisha Rahmani"The Visual Storyteller"

Design Technologist & Media Specialist

Aisha bridges the gap between pixels and code. With expertise in image processing, SVG optimization, and video compression, she helps creators, designers, and marketers prepare media that looks great and loads fast. She has spoken at design conferences about accessible visual content and has helped agencies reduce page-weight budgets by up to 60 percent without sacrificing creative quality.

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Last updated: 2026-05-24

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