Watch your withholding move across 2026.
Client-side paystub history, safe-harbor pulse checkpoints, deterministic scenario comparisons, and encrypted backups. Everything runs in your browser memory.
No Withholding Data Tracked Yet
Run your initial estimate on the interactive planner. Your paystub snapshots, drift metrics, and scenario comparisons will automatically sync here.
Quarterly Pulse Tracking
0 / 4 CheckpointsUpload a paystub at each quarterly checkpoint to track your withholding drift in browser memory.
Scenario Comparison Modeling
PRORun an estimate on the planner to compare raises, bonuses, job changes, and life events against your numbers.
Unlock Unlimited Scenarios & Safe-Harbor Exports
Interactive multi-scenario modeling, exact W-4 Step 4(c) calibration, and quarterly email alerts.
Sync Withholdwise Across Devices via Portable Vault
Retain 100% data sovereignty. Save your client-side encrypted vault directly into your local Dropbox, Google Drive, or iCloud synced folder. Open it on any machine to instantly restore your tax scenarios and paystub history without remote database storage.