SVG Optimiser
Paste SVG code and get an optimised, minified version with reduced file size. Preview the SVG before and after optimisation.
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About SVG Optimiser
SVG files are brilliant in theory - scalable vector graphics that look sharp at any resolution, render beautifully on retina screens, and can be styled with CSS. In practice, SVGs exported from design tools like Illustrator, Figma, or Inkscape are bloated with metadata, editor comments, unnecessary attributes, empty groups, and redundant path data that inflates file size without contributing anything visual. The SVG Optimiser strips all of that out.
What Gets Removed (And What Stays)
The optimiser targets the cruft that design tools leave behind. Editor metadata - those data-name attributes and Illustrator-specific comments? Gone. Empty <g> groups that contain nothing? Removed. Unnecessary XML declarations and doctype tags? Stripped. Default attribute values that match the SVG spec defaults anyway? Cleaned up. Redundant path commands that can be simplified without changing the visual output? Optimised.
What stays is everything that affects how the SVG actually looks. Paths, shapes, colours, transforms, gradients, filters, text - all preserved exactly as they are. The goal is a smaller file that renders identically to the original. You get the same image in fewer bytes.
Why File Size Matters for SVGs
Every SVG on your website is either inline in the HTML or loaded as an external resource. Either way, its size affects page load time. A single unoptimised SVG icon might be 15KB when it could be 3KB. Multiply that by the 40 icons, illustrations, and decorative elements on a typical modern website, and the savings add up to hundreds of kilobytes - which translates directly to faster load times, especially on mobile connections in regions where bandwidth is still a constraint.
For web developers and front-end engineers, SVG optimisation is part of the standard performance optimisation workflow, right alongside image compression, code minification, and lazy loading. This tool handles the SVG part of that pipeline.
The Preview Feature
Optimisation without verification is risky. The SVG optimiser shows you a live preview of the optimised output so you can confirm that nothing visual was lost in the process. Before and after, side by side - if the two look identical, you're safe to use the optimised version. If something looks off (rare, but possible with highly complex SVGs that use unusual features), you can adjust your approach before deploying.
This visual confirmation is something command-line SVG optimisation tools can't easily provide. Running SVGO from a terminal gives you an optimised file, but you have to open it separately to check the result. Having the preview built into the SVG optimiser streamlines the whole process.
Common Sources of SVG Bloat
Figma exports are generally cleaner than Illustrator exports, but both include things you don't need. Illustrator is particularly aggressive with metadata - sometimes half the file is non-visual data. Inkscape adds its own namespace attributes. Even hand-written SVGs often have redundant precision in coordinate values - does a path point really need to be specified to six decimal places when four would produce an indistinguishable result?
The optimiser handles all of these cases. Paste your SVG code, click optimise, and get a cleaned-up version ready for production use. The minified output is also more readable if you need to hand-edit the SVG later - fewer lines, less noise, clearer structure.
For Developers, Designers, and Everyone Between
Front-end developers optimising assets for production. UI designers preparing icons for a design system. Email developers who need compact inline SVGs because email clients have size limits. Animation developers working with SVGs in tools like GSAP or Lottie where cleaner markup means easier animation targeting. WordPress site builders uploading SVG logos and icons who want them as lean as possible.
The SVG optimiser runs entirely in your browser - your SVG code stays on your machine, no uploads to external servers. Paste, optimise, preview, copy. That's the workflow. Keep it bookmarked alongside your other front-end performance tools.