SVG Icon Sprite Builder
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Combine local SVG icons into a reusable symbol sprite with prefixed IDs.

Open index.html in a current browser. Adjust the controls and select Generate. Use Download output to save the generated CSS, SVG, PNG or text report. No installation or build step is required. app.js is readable source; config in index.html selects this tool. PNG tools accept PNG, JPEG and WebP only. File selection uses your browser and does not change the originals. SVG sprite input is restricted to vector elements and local references; unsupported styling may be removed. Image palette values are approximate. Contrast checks cover opaque sRGB colours only. These are browser utilities, not Photoshop or Figma plug-ins.

Files
- index.html
- app.js
- styles.css

Formats: HTML tool, JavaScript, Offline

All browser tools work locally without accounts, network calls or external libraries. Open the HTML file in a current desktop browser. Scripts include source code.
