According to AlphaMoat, as of 2026-09, the Chrome extension Dumago has 11 users, rated 5 (1 reviews) — ranked #9,517 of 10,223 AI browser extensions, and #904 of 985 in Industry Services.
What is Dumago
Publish AI-generated marketplace listings to Mercari, Poshmark, Etsy, and 10+ platforms. Create anywhere, publish everywhere. Dumago is a listing auto-fill tool for online resellers. It fills marketplace listing forms with AI-generated item details from your Dumago dashboard (dumago.ai).
HOW IT WORKS: 1. Take a photo of any item using the camera on dumago.ai 2. AI identifies the item and generates a title, description, price, and category 3. Click "Publish Now" — the extension opens the marketplace and auto-fills the listing form
SUPPORTED MARKETPLACES:
- Mercari
- Poshmark
- Etsy
- Facebook Marketplace
KEY FEATURES:
- One-click auto-fill — No copying and pasting between tabs. The extension fills in title, description, price, condition, category, and uploads photos automatically.
- AI-generated listings — Powered by AI vision, Dumago identifies your items and writes listing descriptions optimized for each platform.
- Multi-platform publishing — List the same item across multiple marketplaces from a single dashboard.
- Photo upload — Item photos are uploaded to the marketplace in the correct format.
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HOW TO USE: 1. Sign up at dumago.ai 2. Install this extension 3. Take photos of your items using the camera on dumago.ai 4. Review the AI-generated listing details 5. Click "Publish Now" — the extension opens the marketplace and fills in everything 6. Review the auto-filled form and submit
PRIVACY:
- The extension only activates on supported marketplace pages to fill listing forms — no browsing data is collected.
- Authentication data is stored locally in the browser and cleared when you close it.
- No third-party analytics or tracking.
- Full privacy policy: https://dumago.ai/privacy
REQUIREMENTS:
- A free Dumago account (dumago.ai)
- An account on at least one supported marketplace
Questions or feedback? Contact [email protected]
This extension auto-fills listing forms on supported marketplace sites (Mercari, Poshmark, Etsy, Facebook Marketplace) using data from the user's Dumago dashboard at dumago.ai.
Test account credentials or a pre-created account with draft listings can be provided on request. If you have any questions or need clarification before making a decision, please reach out: [email protected]
This extension auto-fills listing forms on supported marketplace sites (Mercari, Poshmark, Etsy, Facebook Marketplace) using data from the user's Dumago dashboard at dumago.ai.
This extension auto-fills listing forms on supported marketplace sites (Mercari, Poshmark, Etsy, Facebook Marketplace) using data from the user's Dumago dashboard at dumago.ai.
Testing steps: 1. Go to dumago.ai and sign up 2. Take a photo of an item using the camera 3. Wait for the AI to generate a draft listing (title, description, price, category) 4. Click "Publish Now" on any draft 5. The extension will open the marketplace and auto-fill the form
Extension profile
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+ CompareData month: 2026-09 · User counts and ratings come from public Chrome Web Store data, aggregated monthly. See methodology.