Check image alt text quality for SEO and WCAG accessibility compliance with scoring.

Add, subtract, multiply, divide fractions — auto-simplifies, shows steps, mixed numbers.

Detect sarcasm and irony in text with confidence score

Score prompt engineering complexity — CoT, role, examples, format spec, constraints, and structure.

Detect passive voice in text with percentage, sentence list, and active voice rewrite suggestions.

Calculate P/E, gross margin, ROI, liquidity ratios, and enterprise value from raw financials.

Calculate price elasticity of demand and revenue impact from price and demand changes.

Calculate WACC from equity/debt values, cost of equity, cost of debt, and tax rate.

Calculate PTO balance accrual and carryover for any policy

Grade text complexity from Basic to Academic using Fog Index, lexical density, and vocabulary richness.

Score password strength — entropy, crack time, pattern detection, common password check, and suggestions.

Calculate accounts receivable aging buckets — current, 1-30, 31-60, 61-90, 90+ days.

Analyze cookie security flags including Secure, HttpOnly, SameSite, expiry, and domain scope.

Look up the Big 9 food allergens, check ingredients for allergens, and get hidden sources.

Look up slang and informal word definitions from Urban Dictionary with upvotes.

Check GDPR Article compliance and PCI DSS v4 requirements across key control areas.

Validate EU VAT numbers for 27 countries, lookup rates, and calculate VAT amounts.

Analyze IPv4 addresses — class, binary, hex, subnet calculator (CIDR), and reserved ranges.

Calculate quiz and test scores with grading scales and feedback

Reference for common code smells: long method, god class, magic numbers.