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Manifeste: e-commerce margin calculator

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Overview

Margin, fees and a GO / RISKY / NO-GO verdict from 3 numbers for Amazon, Etsy, eBay, Shopify and TikTok Shop. Free.

Manifeste tells you in seconds whether a product is worth selling. Enter 3 numbers (selling price, delivered cost, delivery time) and get a GO, RISKY or NO-GO verdict with what you really keep per sale after VAT, platform fees, affiliate commission, payment fees and returns. • Works for Amazon, Etsy, eBay, Shopify / your own store and TikTok Shop • 10 countries: US, UK, France, Germany, Spain, Italy, Belgium, Ireland, other EU, other • Opens in the side panel, next to the product page you're looking at • Right-click any price on a web page → "Calculate the margin with Manifeste" • Full analysis: minimum ROAS, maximum ad cost per sale, safety margin, sales needed for your goal, first stock budget • Save and compare your product ideas • Available in English, French, Spanish, German and Italian • Free to use. Manifeste doesn't promise sales: it stops you losing money on a bad product.

Details

  • Version
    1.4.0
  • Updated
    November 6, 2026
  • Size
    272KiB
  • Languages
    5 languages
  • Developer
    Salimo Bassa FOFANA
    10 Rue Marx Dormoy Paris 75018 FR
    Website
    Email
    contact@getmanifeste.com
    Phone
    +33 6 02 44 07 91
  • Trader
    This developer has identified itself as a trader per the definition from the European Union and committed to only offer products or services that comply with EU laws.

Privacy

Manage extensions and learn how they're being used in your organization

Manifeste: e-commerce margin calculator has disclosed the following information regarding the collection and usage of your data. More detailed information can be found in the developer's privacy policy.

Manifeste: e-commerce margin calculator handles the following:

Personally identifiable information
User activity

This developer declares that your data is

  • Not being sold to third parties, outside of the approved use cases
  • Not being used or transferred for purposes that are unrelated to the item's core functionality
  • Not being used or transferred to determine creditworthiness or for lending purposes
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