{"$schema":"https://toolsly.tools/schemas/tool-manifest-v1.json","generated":"2026-05-20T20:47:38.315Z","discovery":{"catalog":"https://toolsly.tools/tools.json","llmsTxt":"https://toolsly.tools/llms.txt","sitemap":"https://toolsly.tools/sitemap.xml"},"relatedTools":[{"slug":"url-parser","name":"URL Parser","url":"https://toolsly.tools/url-parser"},{"slug":"user-agent-parser","name":"User-Agent Parser","url":"https://toolsly.tools/user-agent-parser"},{"slug":"http-status-code","name":"HTTP Status Code Lookup","url":"https://toolsly.tools/http-status-code"},{"slug":"mime-type-lookup","name":"MIME Type Lookup","url":"https://toolsly.tools/mime-type-lookup"},{"slug":"subnet-calculator","name":"IPv4 Subnet Calculator","url":"https://toolsly.tools/subnet-calculator"},{"slug":"css-beautifier","name":"CSS Beautifier","url":"https://toolsly.tools/css-beautifier"},{"slug":"html-minifier","name":"HTML Minifier","url":"https://toolsly.tools/html-minifier"},{"slug":"html-beautifier","name":"HTML Beautifier","url":"https://toolsly.tools/html-beautifier"}],"kind":"utility","slug":"css-minifier","name":"CSS Minifier","description":"Minify CSS — strip whitespace, comments and unused syntax to ship smaller stylesheets.","longDescription":"Paste any CSS and get a single-line, minified version that's safe to drop into production. Comments, redundant whitespace and unnecessary semicolons are stripped; important comments (/*! … */) are preserved. The savings in characters and percent are reported. Runs entirely in your browser — your stylesheet never leaves this page.","category":"dev","categoryName":"Dev","keywords":["css minifier","css minifier online","minify css","minify css online","compress css","css compressor","css optimizer","shrink css","css minify free","online css minifier","css minify tool","reduce css size"],"badge":"Minifier","url":"https://toolsly.tools/css-minifier","inputs":[{"type":"text","key":"css","label":"CSS","placeholder":".btn { padding: 8px 16px; color: #fff; }","multiline":true,"monospace":true}],"outputs":[{"key":"minified","label":"Minified CSS","multiline":true},{"key":"originalSize","label":"Original size (chars)"},{"key":"minifiedSize","label":"Minified size (chars)"},{"key":"savings","label":"Saved"}],"invocation":{"webUi":"https://toolsly.tools/css-minifier","api":null,"notes":"Currently invoked via the web UI at `webUi`. Inputs are form fields; outputs are structured text values. A remote MCP/REST API is planned."}}