Free E-Commerce Tools

Free online tools for shop owners, developers, and e-commerce professionals. No login required.

Profit Margin Calculator

Calculate profit margin, markup, and net profit from cost and selling price.

Compare two prices and see the percentage difference instantly.

Add or remove VAT/sales tax with preset rates for EU countries.

Generate product SKU codes from prefix, category, and variant.

Generate creative names for your online shop. Pick a niche and style.

Calculate or validate EAN-13/EAN-8 barcode check digits.

Convert any text into a clean, URL-friendly slug.

Generate QR codes from any URL or text. Download as PNG.

Generate random UUID v4 identifiers instantly.

Generate placeholder text for your designs and mockups.

Calculate sale prices — enter original price and discount percentage.

Calculate selling price from cost and markup percentage.

Calculate return on investment — enter investment and revenue.

Add or extract sales tax with presets for US states and international rates.

Find how many units you need to sell to cover your costs.

Calculate percentages — find X% of Y, what % X is of Y, or percentage change.

Generate a customizable privacy policy for your website or online shop.

Calculate CPM, total cost, or impressions for your ad campaigns.

Calculate return on ad spend — see if your campaigns are profitable.

Score your email subject lines for effectiveness before sending.

Monitor competitor prices automatically — free forever.

No credit card required. Set up in 5 minutes.