Strip unnecessary data from SVG files to reduce their size

Page Summary

The SVG Optimizer is a free, browser-based tool that strips unneeded comments, metadata, and whitespace from SVG files to reduce their size. It removes the editor-specific extras left behind by Illustrator and Inkscape exports and yields SVG code that is well suited for the web and inline embedding.

  • Strip comments: Remove unnecessary XML comments to keep the code clean
  • Strip metadata: Remove title/desc and Inkscape-specific attributes
  • Compress whitespace: Collapse extra spaces and newlines to shrink the file
  • Privacy: Files are never uploaded to a server
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SVG Optimizer

How to use

1
Provide an SVG
Upload a file or paste SVG code
→
2
Set options
Tick which items to strip and run optimization
→
3
Copy or download
Copy the optimized SVG or save it as a file

🔒 Files are processed in your browser and are never uploaded or stored on any server.

Click or drag & drop to select an SVG file

Supports .svg files

Optimization options

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Frequently Asked Questions (FAQ)

What is SVG optimization?

SVG files exported from Illustrator, Inkscape, and other graphics tools come with large amounts of editor-specific comments, metadata, and whitespace that the browser does not need to render the image. SVG optimization (minification) is the process of stripping these extras to reduce file size.

What optimization can do

Removing comments and metadata, compressing whitespace, and adjusting numeric precision all help improve page load time and lighten HTTP payloads. When embedding logos and icons as inline SVG in particular, using optimized SVG code is recommended.

Practical limitations

Because SVG optimization is XML text processing, it is hard to guarantee correct behavior of any embedded scripts (JavaScript) or animations (SMIL/CSS Animation). SVGs that use complex filters (feGaussianBlur, feTurbulence, etc.) or masks risk visible rendering changes after optimization. Font dependencies in text elements (text/tspan) cannot be eliminated either - converting text to outlines first is recommended, but that introduces an editability vs. file-size trade-off.

Drawbacks and trade-offs

Increasing the level of optimization removes metadata (author info, editor info) and comments, and you cannot recover the original source from the result. Illustrator-edited data (the ai: namespace) and Inkscape's proprietary data (the inkscape: namespace) are also stripped. When sharing in a team, keep the unoptimized source separately. Also, rounding decimal coordinates (precision setting) can distort very small shapes.

On-the-job Q&A

Q: SVGs exported from Illustrator are huge. - Illustrator emits a lot of metadata and verbose coordinates by default. Just running this tool typically reduces the size by 30-70%. Q: Animations stopped working after optimization. - Shortened class IDs or removed unused attributes may have affected the selectors used by your CSS animations. Re-run optimization with options that protect class names and IDs used by the animations.

SVG trends

With the spread of responsive design and HiDPI displays, SVG has become the standard format for icons, logos, and illustrations. CSS-in-SVG (using CSS variables inside SVG) and tighter integration with JavaScript frameworks (React SVG components and similar) continue to grow. From 2024 onward, gradual implementation of SVG 2.0 features is bringing improvements like text wrapping (text-wrap) and mesh gradients. Building reusable SVG icon systems with Web Components is also a mainstream pattern.

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