Referral fees, FBA fulfillment costs, COGS, and live ROI % for any product.

eBay FVF, Managed Payments, PayPal processing, and net profit per listing.

Listing, transaction, payment processing, offsite ads — exact Etsy margins.

Shopify transaction fees, ad CAC, COGS, margins, and monthly break-even units.

CPM, CPC, CTR %, CPA, and ROAS for Facebook, Google & TikTok Ads.

MRR, ARR, customer lifespan, LTV, and LTV:CAC ratio for SaaS founders.

Create professional freelancer invoices with line items, VAT, and PDF download.

Exact merchant processing fees for international PayPal and Stripe payments.

Validate JSON-LD structured data for Google Rich Snippets & Search Console.

Decode PEM SSL/TLS certificates — CN, Issuer CA, SANs, expiry. 100% private.

Audit live Core Web Vitals (LCP, CLS, TTFB) & technical SEO signals.

Two-way instant data conversion between JSON arrays and CSV spreadsheets.

Compress JPG, PNG & WebP images up to 90% quality in browser.

Combine multiple PDF files into one, 100% private in your browser.

Remove owner passwords and restrictions from PDF files client-side.

Convert vector SVG into 1x, 2x, 4x HD PNG with transparent background.

Chanda Aam, Wasiyyat & Jalsa Salana calculation with niche-specific rates.

Exact Zakat on gold, silver, cash, trade assets and investment accounts.

Inclusive and exclusive GST/VAT calculation for UK, Pakistan, Gulf, EU.

Cryptographically secure passwords with entropy strength meter & copy.