'; var urls=t.split('\n').filter(u=>u.trim()).map(u=>' \n '+u.trim()+'\n weekly\n ').join('\n'); return h+'\n\n'+urls+'\n'; }, 'robots-txt-generator': () => 'User-agent: *\nAllow: /\nDisallow: /admin/\nDisallow: /dashboard/\nDisallow: /storage/\n\nSitemap: '+t.trim()+'/sitemap.xml', 'schema-markup-generator': () => JSON.stringify({'@context':'https://schema.org','@type':'WebSite','name':t.trim(),'url':'https://'+t.trim(),'potentialAction':{'@type':'SearchAction','target':'https://'+t.trim()+'/search?q={q}','query-input':'required name=q'}},null,2), 'sql-formatter': () => t.replace(/\b(SELECT|FROM|WHERE|AND|OR|JOIN|LEFT|RIGHT|INNER|ON|ORDER BY|GROUP BY|HAVING|INSERT|UPDATE|DELETE|CREATE|ALTER|DROP|INTO|VALUES|SET|LIMIT|UNION|AS|IN|NOT|NULL|IS|BETWEEN|LIKE|DISTINCT|CASE|WHEN|THEN|ELSE|END)\b/gi,'\n$1').trim(), 'code-minifier': () => t.replace(/\/\*[\s\S]*?\*\//g,'').replace(/\/\/.*/g,'').replace(/\s+/g,' ').replace(/\s*([{}:;,=()>+~])\s*/g,'$1').trim(), 'jwt-decoder': () => { try { const p=t.split('.'); return 'HEADER:\n'+JSON.stringify(JSON.parse(atob(p[0])),null,2)+'\n\nPAYLOAD:\n'+JSON.stringify(JSON.parse(atob(p[1])),null,2); } catch(e) { return 'Invalid JWT token'; }}, 'regex-tester': () => 'Enter pattern on line 1, test string on line 2\n\n'+t, 'timestamp-converter': () => { const n=parseInt(t); if(isNaN(n)) return 'Current timestamp: '+Math.floor(Date.now()/1000)+'\nDate: '+new Date().toISOString(); return 'Timestamp: '+n+'\nDate: '+new Date(n>9999999999?n:n*1000).toISOString()+'\nLocal: '+new Date(n>9999999999?n:n*1000).toLocaleString(); }, 'diff-checker': () => 'Paste two texts separated by a line === to compare differences.', 'markdown-editor': () => t.replace(/^### (.*$)/gm,'

$1

').replace(/^## (.*$)/gm,'

$1

').replace(/^# (.*$)/gm,'

$1

').replace(/\*\*(.*?)\*\*/g,'$1').replace(/\*(.*?)\*/g,'$1'), 'curl-generator': () => 'curl -X GET "'+t.trim()+'" \\\n -H "Accept: application/json" \\\n -H "Content-Type: application/json"', 'vat-calculator': () => { const a=parseFloat(t)||0; return 'Amount: '+a+'\n\nVAT 7.5%: '+(a*0.075).toFixed(2)+' → Total: '+(a*1.075).toFixed(2)+'\nVAT 15%: '+(a*0.15).toFixed(2)+' → Total: '+(a*1.15).toFixed(2)+'\nVAT 20%: '+(a*0.20).toFixed(2)+' → Total: '+(a*1.20).toFixed(2); }, 'loan-calculator': () => { const a=parseFloat(t)||10000;const r=0.05/12;const n=360;const m=a*(r*Math.pow(1+r,n))/(Math.pow(1+r,n)-1); return 'Loan: $'+a.toFixed(2)+'\nRate: 5%/year\nTerm: 30 years\nMonthly: $'+m.toFixed(2)+'\nTotal: $'+(m*n).toFixed(2)+'\nInterest: $'+(m*n-a).toFixed(2); }, 'currency-converter': () => 'Enter amount to convert:\n'+t+' USD ≈ '+(parseFloat(t)*0.92).toFixed(2)+' EUR\n'+t+' USD ≈ '+(parseFloat(t)*0.79).toFixed(2)+' GBP\n'+t+' USD ≈ '+(parseFloat(t)*1580).toFixed(2)+' NGN\n'+t+' USD ≈ '+(parseFloat(t)*151).toFixed(2)+' JPY', 'barcode-generator': () => 'Barcode for: "'+t+'"\n\n||| |||| ||||| |||| ||||| |||| ||||||\n(Visual barcode generation coming soon)', 'payroll-calculator': () => { const s=parseFloat(t)||50000; return 'Annual: $'+s.toFixed(2)+'\nMonthly: $'+(s/12).toFixed(2)+'\nBi-weekly: $'+(s/26).toFixed(2)+'\nWeekly: $'+(s/52).toFixed(2)+'\nDaily: $'+(s/260).toFixed(2)+'\nHourly: $'+(s/2080).toFixed(2); }, 'profit-loss-calculator': () => { const parts=t.split(/[,\s]+/).map(Number);const r=parts[0]||0;const c=parts[1]||0;const p=r-c; return 'Revenue: $'+r+'\nCosts: $'+c+'\n'+(p>=0?'Profit':'Loss')+': $'+Math.abs(p).toFixed(2)+'\nMargin: '+(r>0?(p/r*100).toFixed(1):0)+'%'; }, 'percentage-calculator': () => { const n=parseFloat(t)||100; return n+' is 100%\n\n10% = '+(n*0.1).toFixed(2)+'\n15% = '+(n*0.15).toFixed(2)+'\n20% = '+(n*0.2).toFixed(2)+'\n25% = '+(n*0.25).toFixed(2)+'\n50% = '+(n*0.5).toFixed(2)+'\n75% = '+(n*0.75).toFixed(2); }, 'bmi-calculator': () => { const p=t.split(/[,\s]+/).map(Number); if(!p[0]||!p[1]) return 'Enter: weight(kg) height(cm)\nExample: 70 175'; const bmi=p[0]/((p[1]/100)**2); return 'Weight: '+p[0]+'kg\nHeight: '+p[1]+'cm\nBMI: '+bmi.toFixed(1)+'\n\nCategory: '+(bmi<18.5?'Underweight':bmi<25?'Normal weight':bmi<30?'Overweight':'Obese'); }, 'age-calculator': () => { const d=new Date(t); if(isNaN(d)) return 'Enter birthdate: YYYY-MM-DD'; const now=new Date(); let y=now.getFullYear()-d.getFullYear(); return 'Born: '+d.toDateString()+'\nAge: '+y+' years\nDays: ~'+Math.floor((now-d)/86400000)+'\nMonths: ~'+(y*12); }, 'discount-calculator': () => { const p=t.split(/[,\s]+/).map(Number);const pr=p[0]||100;const d=p[1]||10; return 'Price: $'+pr+'\nDiscount: '+d+'%\nSavings: $'+(pr*d/100).toFixed(2)+'\nFinal: $'+(pr*(1-d/100)).toFixed(2); }, 'unit-converter': () => 'Length: 1m = 3.281ft = 39.37in\nWeight: 1kg = 2.205lbs\nTemp: '+t+'°C = '+((parseFloat(t)||0)*9/5+32).toFixed(1)+'°F\n'+t+'°F = '+(((parseFloat(t)||0)-32)*5/9).toFixed(1)+'°C', 'number-base-converter': () => { const n=parseInt(t); if(isNaN(n)) return 'Enter a number'; return 'Decimal: '+n+'\nBinary: '+n.toString(2)+'\nOctal: '+n.toString(8)+'\nHex: '+n.toString(16).toUpperCase(); }, 'temperature-converter': () => { const n=parseFloat(t)||0; return n+'°C = '+(n*9/5+32).toFixed(1)+'°F = '+(n+273.15).toFixed(1)+'K\n'+n+'°F = '+((n-32)*5/9).toFixed(1)+'°C'; }, 'csv-to-json': () => { try { const l=t.trim().split('\n');const h=l[0].split(',').map(s=>s.trim()); return JSON.stringify(l.slice(1).map(r=>{const v=r.split(',');const o={};h.forEach((k,i)=>o[k]=v[i]?.trim());return o}),null,2); } catch(e) { return 'Invalid CSV'; }}, 'expense-tracker': () => 'Expense Tracker\n================\n\nEnter expenses (one per line: description,amount)\n\n'+t.split('\n').map(l=>{const p=l.split(',');return (p[0]||'Item')+': $'+(parseFloat(p[1])||0).toFixed(2)}).join('\n')+'\n\nTotal: $'+t.split('\n').reduce((s,l)=>s+(parseFloat(l.split(',')[1])||0),0).toFixed(2), }; this.output = (fn[slug] || (() => { const words = t.trim().split(/\s+/); return 'Processed!\n\nCharacters: '+t.length+'\nWords: '+words.length+'\nLines: '+t.split('\n').length+'\n\n'+t; }))(); } }" class="space-y-6"> ⚡ Process YouTube Thumbnail Downloader