Free Deck Analyzer
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DeckLens

Deck Viewer & Analyzer

Where the arcane art of deckbuilding meets precision analysis. MTG & Yu-Gi-Oh! — all client-side, no account needed.

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Everything You Need

Deep analysis tools for both card games, running entirely in your browser.

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Mana Curves

Visualize mana distribution, color ratios, and casting cost breakdowns for optimal deck construction.

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Hand Simulator

Test opening hands with brick tracking, mulligan analysis, and hypergeometric probability calculations.

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Combo Detection

Discover combos via Commander Spellbook integration and card synergy scoring for MTG decks.

Legality Check

Verify format legality and banlist compliance across TCG, OCG, Master Duel, Goat, Edison, and more.

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Import Anywhere

Paste, upload, or import via URL from Moxfield, Archidekt, and other popular deckbuilding platforms.

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100% Private

Zero backend, zero tracking, zero cookies. All analysis runs client-side. Your data never leaves your device.

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Magic: The Gathering

The original trading card game. Tap lands, summon creatures, and wage war across the multiverse with five colors of magic and thirty years of strategy.

27K+
Unique Cards
35+
Years Running
Open MTG Analyzer
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Yu-Gi-Oh!

From ancient shadow games to modern dueling arenas. Set traps, fusion summon legends, and claim victory with the heart of the cards.

13K+
Unique Cards
6
Ban Formats
Open Yu-Gi-Oh! Analyzer
Free Deck Analysis — No Account, No Tracking

DeckLens runs entirely in your browser. Import via paste, file upload, or URL — get instant analysis with no data leaving your device.

MTG Features

Mana curve & color distribution, format legality checking, Deck DNA fingerprint, hypergeometric probability calculator, opening hand simulator, combo detection via Commander Spellbook, card synergy scores, Moxfield & Archidekt import, budget alternatives, and deck comparison.

Yu-Gi-Oh! Features

Level/rank charts, archetype detection, multi-banlist support for TCG, OCG, Master Duel, Goat Format, Edison, Speed Duel & Duel Links, opening hand calculator, test hand simulator with brick tracking, YDK/YDKE/Omega import, deck comparison, and tournament PDF export.

Privacy by Design

Zero backend, zero tracking, zero cookies. All analysis runs client-side in your browser. Your deck data never leaves your device. Works offline after first load. Open source and free forever.

Ready to Optimize Your Deck?

Import your deck and get instant, deep analysis — completely free and private.

40K+
Cards Supported
2
Card Games
0
Data Collected
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