Free SVG Optimizer Online

Optimize your SVG files by removing unnecessary data, reducing precision, and minifying code. Reduce SVG file size significantly.

Last updated May 8, 2026

Drop your SVG file here

Upload an SVG file to optimize

Browse Files

Max 1 file, up to 50.0 MB each

Most SVGs in the wild are two to five times larger than they need to be. Open one in a text editor and you will usually find: editor metadata from Inkscape or Illustrator, comments left behind by exporters, decimal coordinates with twelve digits of precision when three would do, empty groups, redundant fills, and an XML declaration plus a DOCTYPE that nobody needs in 2026. Our free online SVG Optimizer strips all of that out and emits a clean, byte-minimised version that renders identically. Drop your SVG into the page, click Optimize, and the file is parsed, traversed, and rewritten with sensible defaults: editor metadata removed, comments stripped, decimals rounded to 3 places (you can adjust this), empty containers collapsed, default attributes deleted, transform matrices simplified, and adjacent paths merged where safe. The before-and-after byte count shows you exactly how much smaller the result is — typical savings range from 30% on already-clean SVGs to 80% on icons exported straight from Illustrator. Real-world workflows: shrinking an icon set before bundling it into a sprite sheet for a web app, optimising the SVG logo in your site header to shave a few hundred milliseconds off the LCP, cleaning up an SVG before pasting it inline into HTML (where every byte goes over the wire on every page load), or preparing icons for an npm package where install size matters. Everything happens in your browser. After optimising, the [PNG to SVG](/tools/png-to-svg) tool handles the inverse case (raster to vector), and the [CSS Minifier](/tools/css-minifier) takes care of any inline `<style>` blocks the optimiser leaves intact.

How to Use SVG Optimizer

Drop in Your SVG

Drag a `.svg` file or paste the SVG XML directly into the editor. The original size in bytes is shown immediately.

Adjust Optimisation Settings

Tweak the precision (3 decimal places is a good default), choose whether to remove comments and metadata, and decide whether to collapse groups.

Click Optimize

The optimiser parses the SVG, applies the transformations, and shows the optimised XML alongside the byte savings.

Copy or Download

Copy the cleaned XML to your clipboard or download as a `.svg` file. Inline SVGs go straight into your HTML.

Features

Comprehensive Cleanup

Removes editor metadata, comments, default attributes, empty containers, and other dead weight that bloats most SVG exports.

Decimal Precision Control

Round path coordinates to a chosen number of decimal places. 3 is the sweet spot for most icons.

Before/After Byte Count

See exactly how much smaller the optimised version is — typical savings are 30–80% depending on how messy the source was.

Visual Diff Preview

A side-by-side render shows the original and optimised SVG so you can verify nothing visual changed.

Benefits of Using SVG Optimizer

Completely Free

Use SVG Optimizer without any cost, limits, or hidden fees. No premium plans needed.

No Installation

Works directly in your browser. No software downloads or plugins required.

100% Private

Your files and data are processed locally. Nothing is uploaded to external servers.

Works Everywhere

Compatible with Chrome, Firefox, Safari, Edge on desktop, tablet, and mobile.

No Sign-Up

Start using the tool immediately. No account creation or email verification.

Always Available

Access this tool 24/7 from anywhere in the world, on any device.

Frequently Asked Questions

It should not. The optimisations are designed to be visually lossless — removed metadata is invisible by definition, default attributes do not affect rendering, and 3-decimal precision is finer than any screen can display. The visual diff preview lets you verify before downloading.

It depends entirely on how the source SVG was produced. Hand-written or already-optimised SVGs save 10–30%. SVGs exported from Illustrator or Inkscape with default settings often save 60–80%. Sketch and Figma exports fall in between.

Yes — animation elements and their attributes are preserved. Only obviously dead content gets removed.

The optimiser preserves CSS as-is. To squeeze the inline CSS further, copy it out, run through the [CSS Minifier](/tools/css-minifier), and paste back.

Aggressive precision settings (1 or 0 decimal places) can introduce visible drift, especially in fine detail. Increase to 3 decimal places — you get most of the byte savings without any visible change.

It uses the same family of optimisations as SVGO, the popular Node.js library that powers most build-tool SVG plugins. The difference is convenience: this runs in your browser without needing a Node install, perfect for one-off cleanups.