{"$schema":"https://toolsly.tools/schemas/tool-manifest-v1.json","generated":"2026-05-20T20:47:38.232Z","discovery":{"catalog":"https://toolsly.tools/tools.json","llmsTxt":"https://toolsly.tools/llms.txt","sitemap":"https://toolsly.tools/sitemap.xml"},"relatedTools":[{"slug":"qr-code-reader","name":"QR Code Reader","url":"https://toolsly.tools/qr-code-reader"},{"slug":"qr-code-generator","name":"QR Code Generator","url":"https://toolsly.tools/qr-code-generator"},{"slug":"file-to-hex","name":"File to Hex Dump","url":"https://toolsly.tools/file-to-hex"},{"slug":"hex-to-file","name":"Hex to Binary File","url":"https://toolsly.tools/hex-to-file"},{"slug":"wifi-qr-code-generator","name":"Wi-Fi QR Code Generator","url":"https://toolsly.tools/wifi-qr-code-generator"},{"slug":"vcard-qr-code-generator","name":"vCard QR Code Generator","url":"https://toolsly.tools/vcard-qr-code-generator"},{"slug":"barcode-generator","name":"Barcode Generator","url":"https://toolsly.tools/barcode-generator"},{"slug":"base64-encode","name":"Base64 Encode","url":"https://toolsly.tools/base64-encode"}],"kind":"utility","slug":"decimal-to-binary","name":"Decimal to Binary","description":"Convert a decimal integer to binary — also shows hex and octal. Group bits by 4 or 8 for readability.","longDescription":"Type a decimal integer and instantly see the binary representation, with optional grouping into nibbles (4 bits) or bytes (8 bits) for legibility. Hex and octal forms are shown too. Uses BigInt so arbitrarily large values convert without losing precision. Runs locally — your input never leaves your browser.","category":"text","categoryName":"Text & Encoding","keywords":["decimal to binary","dec to bin","convert decimal to binary","decimal to binary converter","decimal to binary online","dec2bin","number to binary","integer to binary","base 10 to base 2","decimal binary hex octal","decimal to binary calculator","decimal to bits","decimal to base 2"],"badge":"Converter","url":"https://toolsly.tools/decimal-to-binary","inputs":[{"type":"text","key":"decimal","label":"Decimal","placeholder":"255","monospace":true},{"type":"select","key":"grouping","label":"Bit grouping","defaultValue":"none","choices":[{"value":"none","label":"No grouping (11111111)"},{"value":"4","label":"Group by 4 (1111 1111)"},{"value":"8","label":"Group by 8 (11111111)"}]}],"outputs":[{"key":"binary","label":"Binary (base 2)"},{"key":"bitCount","label":"Bit count"},{"key":"hex","label":"Hex (base 16)"},{"key":"octal","label":"Octal (base 8)"}],"invocation":{"webUi":"https://toolsly.tools/decimal-to-binary","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."}}