What is an SVG optimizer?

An SVG optimizer is a tool that reduces SVG file size without changing how the graphic looks. It removes comments, editor metadata, unnecessary namespaces, hidden or empty groups, and redundant attributes, and it rounds long decimal values in path data to fewer places. A good optimizer can typically shrink SVGs by 30 to 80 percent.

How do I optimize an SVG file for free?

Open the Optimize SVG Online tool at ImageFix, drag in your SVG files, adjust the optimization toggles and precision slider, click Optimize All, and then download each file or the whole batch as a ZIP. The tool is free and requires no signup.

Can I optimize multiple SVG files at once?

Yes. The tool is a bulk SVG optimizer. You can drag in as many SVG files as you like, and it processes them all in one session. Download the whole optimized set as a single ZIP.

Does optimizing SVG change the visual result?

No, when the defaults are used. Removing comments, metadata, empty groups, and whitespace does not affect rendering. Reducing numeric precision can change very tiny details on paths, so keep it at 3 or 4 decimals for pixel-perfect output, or lower it if you want the smallest possible file.

How much smaller will my SVG be?

Most hand-authored or editor-exported SVGs shrink by 30 to 80 percent after optimization. SVGs exported from Adobe Illustrator or Figma often contain large metadata blocks and unnecessary precision, so they shrink the most. Already-optimized SVGs shrink less.

Does my SVG upload to a server?

No. The optimizer processes everything locally in your browser. Your SVG files never leave your device.

What does reducing numeric precision do?

SVG path data is a list of numbers that describe the shape. Values like 12.3847291854 use a lot of characters. Rounding them to 2, 3, or 4 decimal places makes the file smaller while keeping the shape visually identical at normal zoom levels. Lower precision saves more bytes; higher precision preserves tiny details.

Should I remove the viewBox attribute?

No. The viewBox is essential for responsive scaling and almost always should be preserved. This optimizer keeps viewBox, width, and height intact by default.

Can I remove editor metadata like Adobe Illustrator or Figma tags?

Yes. The Remove editor metadata option deletes the metadata blocks that Illustrator, Figma, Inkscape, and Sketch add during export — including the xmpmeta, sodipodi namedview, and metadata blocks. These are safe to remove for web use.

Does the optimizer remove inline CSS or fonts?

No. By default the optimizer preserves style blocks and inline style attributes, because removing them can change how the SVG renders. Only redundant attributes like empty style or duplicate classes are cleaned.

What is the maximum SVG file size?

The practical limit depends on your device memory and the tool's configuration. For very large SVGs (over 5 MB) or very large batches, process files in smaller groups.

Will the optimized SVG still work in browsers and design tools?

Yes. The optimizer produces standards-compliant SVG markup, so the output works in Chrome, Firefox, Safari, Edge, Adobe Illustrator, Figma, Inkscape, and Sketch.

Can I optimize SVG on my phone?

Yes. The optimizer works in mobile browsers, and the optimized SVG files download directly to your device.

What is the difference between SVG and PNG?

SVG is a vector format that scales infinitely without losing quality and can be edited as text. PNG is a raster format that loses quality when scaled up. Use SVG for icons, logos, and illustrations; use PNG for photographs and images with complex gradients.

Do optimized SVGs carry a watermark?

No. The optimizer adds no watermarks, branding, or trailing comments to the output file.

Optimize SVG Online – Compress & Minify SVG Files Free in Bulk

Minify and compress multiple SVG files at once — 100% private, runs in your browser

Drop your SVG files here

or browse files — batch optimize as many as you need

SVG only Bulk supported 100% private Max 45MB each

SVG files ready to optimize

0 files —

Ready 0%

Optimizations

Remove comments Strips  blocks

Remove editor metadata Illustrator, Figma, Inkscape tags

Remove empty & hidden groups Empty <g>, display="none"

Clean redundant attributes Empty style="", duplicate classes

Collapse whitespace Trim extra spaces and newlines

Strip XML declaration Removes <?xml ...?>

Number precision

Decimals 3

Lower = smaller files. 2–3 decimals is safe for icons; 4–6 for fine illustration detail.

Output naming

Prefix (optional) Added before each filename

Tip: Set precision to 2 or 3 decimals for icons and 4–6 for detailed illustrations. Removing metadata is always safe for the web.

Summary

SVGs 0

Input size —

Optimized size —

Total savings —

Done!