Every free CS2 tool worth using (2026).

The canonical Case Hardened blue gem database.

Best for: Case Hardened blue gem hunting

• Most comprehensive Case Hardened database
• Covers every CH-affected weapon
• Live listings integration

Case opening + Armory ROI calculator with arbitrage scanner.

Best for: Quick "EV of opening a case right now" answers

• Most up-to-date case ROI calculator on the web
• Covers active, discontinued, and rare cases
• Includes Armory rotation calculator

CS2 case supply data and price indexes — the "stocks" view.

Best for: Case investors tracking supply trends

• Best supply-data tracking for CS2 cases
• Long historical charts
• Composite indexes by category

Largest CS2 marketplace by volume — Chinese, but trade-friendly.

Best for: Volume-weighted price discovery

• Highest volume worldwide
• Sets the global price floor for many items
• Lowest fees in the market

Skin-for-skin swap marketplace — upgrade or downgrade without leaving Steam.

Best for: Swapping skins to upgrade/downgrade quickly

• Skin-for-skin swap model — no cash needed for upgrades
• Bypasses the 7-day Steam Market trade hold for site inventory
• Deep specific-pattern inventory

Track applied-sticker pricing and capsule ROI.

Best for: Sticker craft pricing and capsule investing

• Only dedicated sticker-tracking tool with applied-sticker pricing
• Tournament capsule ROI math
• Historical price moves

Float-aware marketplace plus a public inspect API.

Best for: Buying or selling float-specific items

• Search by float, seed, pattern
• 2% seller fee — among the lowest
• Free public API for inventory + listings

Paste a Steam inspect link, get float + seed instantly.

Best for: Quick one-off float lookups

• Instant lookups
• Includes sticker wear data
• No signup

29-marketplace price aggregator with a built-in pattern database.

Best for: Cross-marketplace price comparison while shopping

• Aggregates 29+ marketplaces
• Fast item search
• Pattern data integrated with listings

Multi-family pattern database — Doppler, Marble Fade, Crimson Web, more.

Best for: Pattern hunting beyond Case Hardened

• Broadest pattern-family coverage
• Includes Doppler, Marble Fade, Crimson Web, Slaughter
• Free with no signup

Marketplace with public read API and HMAC-authed write API.

Best for: API-driven price feeds

• Public read API (no key needed)
• HMAC write API for automated trading
• Includes non-CS2 items if you trade across games

Truly free CS2 portfolio tracker — no premium tier.

Best for: No-frills portfolio tracking with no upsell

• No premium tier — every feature free
• Lightweight, fast
• Multi-marketplace comparison

EU-based marketplace with a clean public API.

Best for: EU traders and arbitrage scanners

• Free public price API
• Large EU listing depth
• Trusted, mature operation

Instant-trade marketplace — sell skins for site balance, cash, or crypto.

Best for: Instant-sell with crypto cash-out

• Instant payouts — no waiting for a buyer
• Crypto cash-out (USDT, BTC, ETH)
• Simple UI; minimal account setup

Free CS2 portfolio tracker with auto Steam-inventory sync.

Best for: Casual portfolio tracking with zero setup

• Free forever, no credit card
• Auto-sync via Steam OpenID
• Clean UI with real-time SSE updates