Your shortcut to results.
Professional mail validation and credential processing. No setup, no bloat, no broken promises.
Get Startedv0.76 · Windows · Crypto accepted

It's not about speed. It's about never waiting.
Load credentials, hit start, get results. That's it.
Fast. 100K+ credentials per second. Async I/O with real multi-threading. No interpreter overhead.
Every protocol. IMAP, POP3, SMTP, Outlook OAuth2, ABV.bg, GMX. Auto-detects the right server for each domain.
Built to scale. Up to 2000 concurrent threads. All proxy types supported. From $49/mo with all products included.
One subscription. Everything included.
Mail validation, credential sorting, and every tool you need.
Krantz Mail
Fast mail checker. IMAP, POP3, SMTP, Outlook, ABV.bg, GMX.
Krantz Sorter
Sort, clean, deduplicate, and filter credential files at scale. 11 modules.
Krantz Seed
Find lost crypto seed phrases and private keys hidden across your filesystem. Scans documents, archives, and (Pro) images.
" The only checker that actually works out of the box. No config, no broken proxies, no wasted time. "
Simple pricing. No surprises.
Choose your plan. Pay with crypto. Start immediately.
Air
For getting started.
Get StartedIncludes:
- ✓ All core protocols
- ✓ 500 threads
- ✓ 9 sorter modules
- ✓ 1 device
Recommended
Pro
For serious work.
Get StartedEverything in Air, and:
- ✓ All protocols incl. Outlook, ABV, GMX
- ✓ 2000 threads
- ✓ All 11 sorter modules
- ✓ 3 devices
- ✓ Profile extraction & cookies
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