SVG Compressor

How to Compress SVG Online

1. Upload Your SVG Files: Drag and drop, or click "+ Add Files" to select one or many SVG files from your computer. Batch upload is supported — process an entire icon set in one pass.
2. Set Number Precision: Lower precision = smaller files. The slider runs from 1 to 10 (default 6). For UI icons and simple logos try 2-3; for technical diagrams or maps with curved paths stay at 4-6. Coordinates rounded below 2 decimals can produce visible "wobble" on detailed shapes.
3. Review Output (Optional): XConvert strips editor metadata, XML comments, doctype declarations, empty groups, hidden elements, and unreferenced <defs> automatically — the precision slider is the only knob you typically adjust per-file.
4. Compress and Download: Click "Compress". Files process in your browser session — no sign-up, no watermark. Download individually or grab everything as a ZIP.

Why Compress SVG?

SVG files are XML text, which means most of the bytes designers ship are invisible to users: editor namespaces from Illustrator and Figma, indentation, comments, default attributes, and path coordinates carried to 12 decimal places. Compression is purely structural — visual output is byte-identical to the original at sensible precision settings. Typical savings range from 30-70% before gzip, and another ~30% on top of that once your CDN serves the file gzipped or brotli-compressed.

• Web performance and Core Web Vitals — A homepage with 20 unoptimized icons easily ships 60-100 KB of avoidable XML; trimmed and gzipped, that drops below 10 KB and stops blocking LCP.
• Icon systems and sprite sheets — Component libraries (Heroicons, Lucide, Material Symbols) ship hundreds of icons; per-icon overhead of 200-500 bytes compounds into hundreds of KB across a design system.
• Inline SVG in HTML — When you paste SVG markup directly into JSX/Vue/Svelte templates, every kilobyte goes into your bundle. Optimized SVG keeps component files readable in code review.
• Email and Slack/Discord embeds — Some clients render SVG inline; stripping editor metadata also removes Figma/Sketch fingerprints from shared assets.
• Mobile data and edge caching — Tiny SVGs are cheaper to push through CDN edges and friendlier to users on metered 4G/5G plans.
• Git diffs and version control — Minified SVG diffs are noisier line-by-line, but raw file sizes shrink commit history and clone times for asset-heavy repos.

SVG vs PNG vs WebP for Icons and Logos

For UI icons and logos, SVG almost always wins on both file size and rendering quality at any DPI. WebP and PNG remain better for photographs and complex raster artwork where vector representation would actually be larger.

What SVGO Actually Removes (Behind the Scenes)

XConvert applies SVGO defaults plus the precision setting you choose. The default preset runs 33 plugins; the high-impact ones for size:

Precision Setting — Quick Reference

Frequently Asked Questions

Is SVG compression lossless?

Structurally, yes — removing metadata, comments, and unreferenced definitions changes nothing visible. Path data reduction depends on the precision setting. At precision 3 and above, output is visually identical to the original. At precision 1-2, very smooth curves on complex paths may show minor changes; this is configurable per file via the slider.

Why is my SVG still large after optimization?

The bulk is usually path data, not metadata. A logo traced from a complex Illustrator artwork can carry thousands of anchor points where a hand-drawn equivalent would use dozens. Re-tracing in a tool like Figma or simplifying paths in Illustrator (Object → Path → Simplify) often saves more bytes than any optimizer can. Embedded raster images inside SVG (base64 <image> tags) also cannot be vector-compressed — extract them as separate PNG/WebP files.

Will compression break my animations?

CSS animations and SMIL animations on referenced elements are preserved by SVGO defaults. However, animations that target IDs may break if cleanupIds renames or removes them — XConvert's default keeps IDs that are referenced by <use> or animation targets. If you script SVG with JavaScript by ID, test the output before deploying.

Should I compress SVGs before adding them to my React/Vue/Svelte components?

Yes. Inline SVGs become part of your JavaScript bundle, so every byte ships to every visitor. Run compression once on the exported file, paste the minified output into your component, and you've shaved 50-70% off the bundle cost. Tools like svgr apply SVGO automatically during build — but starting from an already-clean source is friendlier to code review.

How does this compare to gzip/brotli compression on my server?

Gzip and brotli further shrink already-minified SVG by roughly 25-35% because XML compresses well. The two stack: SVGO removes structural waste; gzip removes textual redundancy. A 50 KB raw export → 15 KB after SVGO → about 5 KB over the wire after gzip is a realistic chain for a mid-complexity illustration.

What about converting my SVG to PNG or WebP instead?

That makes sense if the asset will be displayed at exactly one fixed size and you don't need crispness on high-DPI displays — see SVG to PNG or SVG to WebP. For icons, logos, and anything that scales (responsive layouts, retina screens, print), keep SVG and compress it. Going the other direction with PNG to SVG only works cleanly for graphics with flat colors and clear edges.

Will compressed SVGs render correctly in older browsers?

SVG itself is supported in every browser shipped this decade — Chrome, Firefox, Edge, Safari, mobile browsers, even IE11 for static SVG. Compression only removes data the SVG spec marks as optional. If a file works before optimization, the compressed version works in the same browsers.

Can I compress SVG icons exported from Figma, Sketch, or Illustrator?

Yes — and that's where the biggest savings show up. Design-tool exports carry the most overhead: editor namespaces, layer metadata, default attributes, and high-precision coordinates. A Figma icon export of 4 KB routinely drops below 1 KB after optimization. If you also need raster fallbacks, see compress PNG for the equivalent on rasterized exports.

Does XConvert send my SVG files to a server?

Files upload to xconvert for processing, are converted, and are deleted shortly after. No sign-up, no watermark, no public sharing of your file. For maximum privacy with sensitive logos or unreleased brand assets, you can also self-host SVGO locally via npm.