SVG Editor & Optimizer

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What this tool does

Paste or upload an SVG file, edit the XML directly, and see changes rendered live in the preview panel. The optimizer strips metadata, comments, and editor-specific attributes that design tools leave behind, then gives you a clean file to download or copy.

All processing happens in your browser. Your SVG files are not uploaded anywhere.

Why SVG files need cleaning

If you've ever opened an SVG exported from Illustrator, Figma, or Inkscape in a text editor, you've probably seen hundreds of lines of XML that the browser never uses. Inkscape adds sodipodi: and inkscape: namespaces. Illustrator includes <?xml?> declarations, DOCTYPEs, and generator comments. Figma is cleaner but still includes unused IDs and redundant attributes.

According to the W3C SVG 2.0 specification, browsers are supposed to ignore unknown namespaces and metadata, which means all that extra code is just increasing your file size for nothing. In testing, stripping this metadata from a typical Illustrator export reduces file size by 20-40% with zero visual change.

Two optimization levels

Basic cleanup removes XML declarations, DOCTYPE, comments, and editor-specific namespaces (Inkscape, Sodipodi). This is safe for any SVG and won't change its appearance.

Aggressive minification goes further: it collapses whitespace between tags and compresses repeated spaces inside attributes. This can break readability if you need to hand-edit the file later, but it produces the smallest output.

How to use it

1. Paste SVG code into the editor, or click "Upload" to load a .svg file from disk.
2. Pick an optimization level (basic or aggressive).
3. Click "Run Optimizer" to apply.
4. Check the preview to make sure nothing looks wrong.
5. Download the cleaned file or copy the code.

The file size tracker at the bottom shows your current size in KB so you can see how much each step saves.

Things to watch for

The viewBox attribute matters. If your SVG uses hardcoded width and height without a viewBox, it won't scale properly in responsive layouts. The viewBox should be set to something like 0 0 24 24 and the width/height can be removed or set to 100%.

Inline fill attributes are sometimes overkill. If every element has fill="#000", you can remove them all and set fill: currentColor in CSS instead. This makes the icon inherit its parent's text color, which is how most icon libraries (Lucide, Heroicons) work.

The color presets in this tool replace fills globally. The quick-tweak color buttons replace the first fill attribute found in the SVG. If you have multiple shapes with different fills, edit them individually in the code editor.

Animations survive optimization. If your SVG uses <animate>, <animateTransform>, or CSS animations inside <style> blocks, the basic cleanup will leave them intact. Aggressive minification may break inline CSS if whitespace is significant, so check the preview.

Frequently asked questions

Are my files uploaded to a server? No. The editor, optimizer, and preview all run locally in your browser's JavaScript engine. Nothing leaves your machine.

Can this convert SVG to PNG? This tool is focused on vector editing and optimization. For raster conversion, use the Image Format Converter.

How much file size reduction should I expect? It depends on the source. Files from Inkscape tend to have the most metadata and often shrink by 30-50%. Files already exported from Figma's "optimized" setting may only shrink by 5-10%.

Does the optimizer change path data? No. The current optimizer only removes metadata, comments, and whitespace. It does not simplify or merge path commands. For path-level optimization, tools like SVGO (command-line) or Jake Archibald's SVGOMG can do that.

What's the maximum file size? There's no hard limit, but SVGs over 5 MB may cause the browser to lag during live preview rendering. For very large files, consider optimizing with SVGO first.

Can I use the output in React/Vue components? Yes. The cleaned SVG code can be pasted directly into a JSX component. You may need to rename class to className and xlink:href to xlinkHref for React.

Will this affect SVG accessibility? The optimizer does not remove <title> or <desc> elements, which are used by screen readers. If accessibility matters (it should), keep those elements and add role="img" and aria-label to the root <svg> tag.

Related tools

• Color Palette Generator - Extract or build color schemes for your icons.
• Favicon Generator - Create favicons from SVG source files.
• Image Format Converter - Convert between SVG, PNG, and JPG.
• Code Screenshot Generator - Turn your SVG code into shareable images.