Grammarly Pro Free — 7-Day Trial via BIN Method
Get week-long premium grammar checking without payment.
The Unlock
Decode hidden BIN → generate card → sign up for Grammarly Pro trial → 7 days of premium features unlocked.
Why bother:
Grammarly Pro costs £12/month → this gets you 7 days free → AI writing assistant + advanced grammar checks → test before committing
What works:
✓ 7-day unlimited trial
✓ Full Pro features (not limited free version)
✓ Works with own IP (tested from Singapore)
✓ USA billing required (but no VPN needed)
✓ Gmail signup supported
Decode the BIN First
Step 1: Decode Base64 string
Go to Base64 Decode
Paste this encoded string:
ZHVtbXlsYWJzLmxpdmUvY2MtZ2VuZXJhdG9yCgo2MjU4MTQyNjAgIHwgMDEvMzMKCkdyYW1tYXJseSBQcm8K
Decoded result reveals:
- Card generator site: dummylabs.live/cc-generator
- BIN: 625814260
- Expiry: 01/33
- Purpose: Grammarly Pro
New to BIN methods? Read BIN Masterclass Guide for card generation basics.
Activation Steps
Step 1: Sign up
Go to Grammarly → create account with Gmail
Step 2: Click Pro
Navigate to Pro/Premium upgrade option
Step 3: Generate card
Use BIN 625814260 (expiry 01/33) in card generator → get full 16-digit card number
Step 4: Billing details
→ Country: USA
→ ZIP code: Any valid US ZIP (10001, 90210, etc.)
→ Use generated card details
Step 5: Complete signup
No VPN needed (works with your own IP, tested from Singapore)
Step 6: 7 days activated
Pro features unlocked → cancel before trial ends or auto-renewal charges
⚠️ Quick Notes
No VPN required: Works with your regular IP (confirmed working from Singapore)
USA billing mandatory: Must use US country + ZIP code even without VPN
Trial length: 7 days full access to Pro features
Cancel timing: Set reminder before day 7 or charges apply
BIN decode step: Don’t skip the Base64 decode — that’s where the actual BIN is hidden
Decode BIN. Generate card. USA billing. 7 days Pro. Done. 
!