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Write less. Convert more.

Product descriptions for Shopify, Amazon, Etsy and four more marketplaces, written natively in English, Spanish, French and Dutch.

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I The listing

You have written this one.

Twenty-eight words, typed between orders. Every word of it is true. Not one of them gives a shopper a reason to buy.

Product description

Merino wool beanie. Soft and warm. One size fits most. Available in grey, navy and rust. Hand wash only. High quality. Makes a great gift.

A typical Shopify listing. Example product, shown in English.

II The cost

It scored 28 out of 100.

“Reads like an inventory sheet, not persuasive marketing.”ProductPen audit, on the listing above
Audit run on productpent.online, Monday 12 October 2026. Shopify, English.
Readability72
Structure25
SEO22
Uniqueness20
Persuasion18
Length and detail15
Emotional appeal12
Overall28

III The edit

Same listing. Now watch the pen.

Product description · Shopifymarked up

Merino wool beanie. Soft and warm.1 One size fits most. Available in grey, navy and rust. Hand wash only. High quality.2 Makes a great gift.34

The Merino Beanie for Cold Mornings

Warm without the bulk. This merino wool beanie keeps you comfortable from the morning commute to a weekend walk.

Why merino

Temperature regulating: naturally warm in winter, breathable when you come inside.
Odor resistant: merino stays fresh between washes.

The fit

One size fits most, with a comfortable stretch. Choose grey, navy or rust, three colors that work with any coat.

A good gift

Soft, practical and easy to wrap.

Easy care

Hand wash in cool water with mild soap. Lay flat to dry.

Audit score28/100

  1. 1Explain why merino wool matters.Uniqueness, 20
  2. 2Lead with customer benefits instead of features.Persuasion, 18
  3. 3Paint a picture of the lifestyle, not just the product.Emotional appeal, 12
  4. 4Expand from 28 words to 150 to 300.Length and detail, 15

Two real audits, run on productpent.online on 12 October 2026. The rewrite is ProductPen's, trimmed to the facts the seller supplied.

IV What it is

What is ProductPen?

ProductPen is an AI product description generator that creates SEO-optimized, conversion-focused descriptions for e-commerce sellers. It supports Shopify, Amazon, Etsy, eBay, Bol.com, Mercado Libre, and Cdiscount in four languages: English, Spanish, French, and Dutch. Features include a free description audit tool, A/B test variants, bulk CSV generation, and a Pro-exclusive narrative Story Mode.

LanguageHow it is writtenMarketplaces
EnglishFriendly and directShopify, Amazon, Etsy, eBay
EspañolNeutral Latin American SpanishPlus Mercado Libre
FrançaisFormal “vous”Plus Cdiscount
NederlandsDirect and practicalPlus Bol.com

Output formats also cover WooCommerce and BigCommerce. Every listing comes with a title, description, bullet points and SEO tags.

V Plans

Three plans. Start on the free one.

One credit is one complete listing: title, description and bullet points.

Free

Perfect for trying ProductPen before you commit.

$0

No credit card needed.

Credits
3, once
Bulk CSV
No
Story Mode
No

Starter

For indie sellers and small stores ready to scale.

$19/ month

Billed monthly.

Credits
50 a month
Bulk CSV
Up to 50 products
Story Mode
No

Pro

For growing brands and agencies with high-volume needs.

$49/ month

Billed monthly.

Credits
Unlimited
Bulk CSV
Up to 500 products
Story Mode
Yes, plus custom brand voice

Prices in US dollars. Credits reset each billing period and do not roll over. Full pricing details.

VI Questions

Frequently asked questions

How does ProductPen work?
ProductPen uses Claude AI to analyze your product name, features, target audience, and tone preferences. It then generates multiple high-quality description variations optimized for your chosen platform, all in under 30 seconds.
Which ecommerce platforms are supported?
We support Amazon (bullet-point format), Shopify (HTML-ready), Etsy (story-style), WooCommerce, BigCommerce, and eBay. Each output is formatted specifically for that platform's listing requirements.
How many free credits do I get?
Every new account starts with 3 free credits. No credit card required. Each credit generates one complete product description. Upgrade anytime to unlock more credits and features.
Can I customize the tone and writing style?
Yes. You can choose from tones like Professional, Playful, Luxurious, Minimalist, and more. You can also provide a brand voice example and the AI will match your existing copy style.
Is the generated content SEO-optimized?
Absolutely. ProductPen automatically identifies and weaves in high-intent keywords relevant to your product category, improving your chances of ranking higher in platform search results without compromising readability.
Can I generate descriptions in bulk?
Bulk generation is available on the Starter and Pro plans. Simply upload a CSV with your product data and we'll generate optimized descriptions for your entire catalog: hundreds of listings in minutes.
What languages are supported?
We currently support English, Spanish, French, and Dutch. Descriptions are written natively in each language (not just translated), so your listings read naturally to local buyers.
Can I cancel or change my plan anytime?
Yes, completely. You can upgrade, downgrade, or cancel your subscription at any time from your account settings. There are no lock-in contracts or cancellation fees.

Paste one of your own listings into the audit and see its score. No account needed. Run the free audit.