Cardmarket Helper by NudelForce
Modifies the DOM on cardmarket.com to improve the UX through quality of life additions. It can also take your ManaBox collection's csv to further offer more functionality.
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Extension Metadata
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About this extension
Detailed Feature description
Changelog
📷 Replace camera icons with real card thumbnails (adjustable thumbnail size coming soon)
🧾 Upload your ManaBox CSV once and use it across Cardmarket pages
🗂️ On Singles pages, see all printings you own plus details for the exact printing (language, condition, foil, quantity, binder)
🔗 Jump directly to the exact printing you own with prefilled filters (language, condition, foil, quantity)
⚡ Fill sell form fields in one click (quantity, language, condition, foil, altered)
💲 Auto-calculate and autofill a competitive sell price (with on/off toggle)
📊 See format legality and MTGTop8 play-rate data inline on Offers/Singles pages
🚫 Hide offers that don’t match your legality/play-rate filters
🔥 Compare offer prices against Cardmarket Low / Avg / Trend at a glance (green/orange/red deal signal)
🧩 Price comparison also works for non-singles and accessories
↔️ Export Wants List as .csv or .txt or copy it to clipboard
↙️ Import ManaBox lists into Cardmarket Wants List through Add Decklist)
📦 Export order articles as CSV (including adjusted export), including fallback export on Sales/Paid pages
📍 Show collection location info in Magic order pages
🧭 Open shipments directly in ManaBox Viewer with preloaded card data
✅ Mark sales orders as packed and see packed state in Sales/Paid list
⌨️ Use arrow keys for pagination without interfering with text inputs
🔔 Get an in-page notification when a new add-on version is installed
I am not affiliated, associated, authorized, endorsed by, or in any way officially connected with cardmarket.com, or any of its subsidiaries or affiliates.
Changelog
📷 Replace camera icons with real card thumbnails (adjustable thumbnail size coming soon)
🧾 Upload your ManaBox CSV once and use it across Cardmarket pages
🗂️ On Singles pages, see all printings you own plus details for the exact printing (language, condition, foil, quantity, binder)
🔗 Jump directly to the exact printing you own with prefilled filters (language, condition, foil, quantity)
⚡ Fill sell form fields in one click (quantity, language, condition, foil, altered)
💲 Auto-calculate and autofill a competitive sell price (with on/off toggle)
📊 See format legality and MTGTop8 play-rate data inline on Offers/Singles pages
🚫 Hide offers that don’t match your legality/play-rate filters
🔥 Compare offer prices against Cardmarket Low / Avg / Trend at a glance (green/orange/red deal signal)
🧩 Price comparison also works for non-singles and accessories
↔️ Export Wants List as .csv or .txt or copy it to clipboard
↙️ Import ManaBox lists into Cardmarket Wants List through Add Decklist)
📦 Export order articles as CSV (including adjusted export), including fallback export on Sales/Paid pages
📍 Show collection location info in Magic order pages
🧭 Open shipments directly in ManaBox Viewer with preloaded card data
✅ Mark sales orders as packed and see packed state in Sales/Paid list
⌨️ Use arrow keys for pagination without interfering with text inputs
🔔 Get an in-page notification when a new add-on version is installed
I am not affiliated, associated, authorized, endorsed by, or in any way officially connected with cardmarket.com, or any of its subsidiaries or affiliates.
Rated 5 by 1 reviewer
Permissions and data
Required permissions:
- Access your data for www.cardmarket.com
Optional permissions:
- Access your data for api.scryfall.com
- Access your data for downloads.s3.cardmarket.com
- Access your data for raw.githubusercontent.com
Data collection:
- The developer says this extension doesn't require data collection.
More information
- Add-on Links
- Version
- 2026.3.3.2
- Size
- 1.48 MB
- Last updated
- 14 hours ago (Mar 15, 2026)
- Related Categories
- License
- All Rights Reserved
- Version History
- Tags
- Add to collection
The developer of this extension asks that you help support its continued development by making a small contribution.
Changelog