Optimize SVG file size

Minify SVG files with SVGO — remove metadata, comments, and unnecessary attributes for production. No upload, fully local.

Select an SVG

Up to 10MB SVG files.

Max file size: 10MB

or drag and drop · press Enter to browse

How to Use

  1. Upload an SVG file.
  2. Toggle multipass for maximum savings.
  3. Click Optimize and review the size comparison.
  4. Download the minified file or copy its markup.
  5. Verify the output file in your device's download folder.
  6. You can adjust settings and process new files immediately without any restrictions.

All processing is done in your browser, and files are never sent to a server.

Frequently Asked Questions

Default SVGO settings preserve appearance while removing whitespace, comments, and metadata. viewBox is kept so the SVG remains scalable.
No. Optimization runs in your browser.
SVGs that were already exported from optimized tools (e.g. Figma export) leave little headroom. Hand-edited or export-from-Illustrator SVGs typically save 30–70%.
No. All operations are processed entirely inside your browser's local sandbox using client-side APIs (like WebAssembly, pdf-lib, or HTML5 Canvas). Your files and data never leave your device.
The tool is completely free with no usage limits. However, since processing occurs in your browser's memory, we recommend keeping file sizes under 50MB (especially for heavy files like PDFs or videos) to ensure stability.
No. All tools on ConvertBox are 100% free. We do not insert watermarks, limit features, or require any registration or payment.
Yes. Once the page and its local library dependencies are loaded in your browser, the conversion logic runs completely offline without needing an active internet connection.