Free calculators built for Amazon sellers. Instantly measure your advertising efficiency & make smarter decisions with every campaign.
Advertising Cost of Sales
Measure how efficiently your ad spend generates revenue. Instantly see if your campaigns are profitable & get actionable performance ratings.
Return on Ad Spend
Calculate the revenue you earn for every dollar spent on advertising. Compare across campaigns and channels with instant performance benchmarks.
Listing CVR
Measure the percentage of visitors who convert into buyers. Benchmark against Amazon averages and get actionable tips to lift your listing CVR.
Shortage Chargeback Rate
Calculate your Amazon Vendor shortage chargeback PPM score. Instantly see if your account is at risk and get steps to reduce deductions.
Stylised Fonts for Amazon
Turn plain text into bold, italic, script, fraktur, circled and 15+ other Unicode fonts. Copy-paste ready for bullet points and social posts.
Entities, CSS, JS & More
Paste any emoji — or search by name — and instantly get its HTML entity, CSS, JavaScript, Python, hex and URL-encoded codes with one-click copy.