SVG to Data URI Online — CSS Background Generator

Convert raw SVG markup into a compact data URI you can paste into CSS background-image or inline HTML. Runs locally in your browser.

Options

Encoding

Encoding result

Ready

Paste SVG and click Generate to see the encoding summary here.

SVG input

0chars0 B1lines

CSS background snippet

background-image, repeat and size rules appear here after you generate.

Data URI

Encoded data URI appears here…

Encoding runs locally in your browser.

Share this tool:

Loading…

SVG to Data URI — CSS embedding playbook

Turn SVG markup into a data URI for CSS backgrounds, pseudo-elements or inline HTML where shipping a separate asset is overkill.

Developer notes

• Parses a single root <svg> and normalizes markup before encoding. • Great for icons, badges and tiny illustrations embedded in CSS. • Keep larger artwork as standalone files when caching matters. • Pair with optimize-svg first for smaller data URIs.

Options

Encoding

UTF-8 (default) produces a readable data:image/svg+xml, URL-encoded URI. Base64 uses data:image/svg+xml;base64, for tools or browsers that expect Base64. The CSS background snippet follows the same encoding.

When teams pick this route

• Inline small logos into CSS background-image. • Ship decorative icons without another network request. • Build pseudo-element badges in component libraries. • Compare encoded output after SVGO cleanup.

Worked examples

Badge ready for CSS embedding

Sample input

<svg xmlns="http://www.w3.org/2000/svg" width="240" height="72" viewBox="0 0 240 72" class="promo-badge" role="img" aria-labelledby="badge-title badge-desc">
  <title id="badge-title">Fast delivery badge</title>
  <desc id="badge-desc">Rounded badge with lightning icon and gradient background.</desc>
  <defs>
    <linearGradient id="badgeGradient" x1="0%" y1="0%" x2="100%" y2="100%">
      <stop offset="0%" stop-color="#f97316"/>
      <stop offset="100%" stop-color="#fb923c"/>
    </linearGradient>
  </defs>
  <rect width="240" height="72" rx="18" fill="url(#badgeGradient)"/>
  <text x="76" y="31" font-size="18" font-weight="700" fill="#fff">FastMinify</text>
</svg>

Output

background-image: url("data:image/svg+xml,%3Csvg ... %3C/svg%3E");
background-repeat: no-repeat;
background-size: contain;

Optimize first, encode second

Sample input

<svg viewBox="0 0 24 24"><!-- comment --><path fill="currentColor" d="M12 2l3 7h7l-5.5 4 2 7L12 17l-6.5 3 2-7L2 9h7z"/></svg>

Output

Smaller markup produces a shorter data URI that is easier to embed in CSS.

Navigate related SVG tools

Shrink the source first with optimize SVG, inspect sizing on resize SVG, or browse the SVG tools hub.

SVG to Data URI FAQ

Encoding for CSS backgrounds

When should I use a data URI?

Use it for small UI assets where reducing requests matters more than file caching.

Should I optimize the SVG first?

Yes — smaller source markup produces a shorter URI and lighter CSS.

Does it upload my SVG?

No. Parsing and encoding happen locally in your browser.

SVG Tools

Preview, optimize with SVGO, export Data URI, resize, beautify, convert to JSX and validate SVG — all in your browser.

Validate SVG

Optimize SVG

Resize SVG

SVG Viewer

SVG to JSX

Explore other tool categories

Minify

Shrink code and assets for production — minify JavaScript, CSS, HTML, JSON and XML before gzip or CDN deploy.

Beautify

Make code readable with consistent indentation — beautify JavaScript, CSS, TypeScript, SCSS, LESS, Markdown, GraphQL, SQL, YAML and more in your browser.

Unminify

Expand minified or compressed code — unminify JavaScript, CSS, TypeScript, SCSS, LESS, SQL, YAML and other formats when debugging or reviewing.

Conversion

Transform data between JSON, YAML, XML and CSV locally — no server uploads.

CSS preprocessors

Compile SCSS or LESS to standard CSS in the browser — pair with beautify or minify for a full stylesheet workflow.

JSON Tools

Validate, format, diff and explore JSON payloads — complementary to minifiers and converters.

DevOps & Infra

Terraform HCL format/validate/minify, Dockerfile format & lint, Docker Compose and .env validation.

CI/CD

GitHub Actions and GitLab CI — format YAML and check workflow/job structure in your browser.

Logs & observability

Line-oriented JSON/NDJSON and Nginx/Apache access logs — format, filter, validate, and CSV/TSV.

Kubernetes

Multi-doc manifests, structural validate, Ingress/Deployment starters, and Helm values formatting.

Networking / IP

CIDR, subnets, and IPv4/IPv6 helpers — in your browser.

Security & tokens

JWKS, X.509 certificates, and secrets scan — browser-local.

API & schemas

OpenAPI tools to format, validate, and lint your specs.

Encoding

Encode or decode Base64, URL components and HTML entities — client-side only.

Developer utilities

Timestamps, UUID, ULID, Nanoid, cron, passwords, regex, slugify, number bases, case, text diff, and chmod — all client-side.

Text & Markdown

Count words, build Markdown TOCs, and clean line lists — all in your browser.

AI & LLM

Token counting, pricing estimates, and context-window fit — 100% browser-local.

Serialization

Serialize and deserialize PHP data structures beside JSON workflows.