Droy37 Tools
Useful tools,
without the clutter.
A small collection of focused, privacy-friendly tools for everyday data and productivity tasks.
- Free demos
- Clear pricing
- Local-first
Our tools
Pick the tool for the job
Try the free version first. Upgrade only when it earns its place in your workflow.
Available now · Free Lite + Pro
Contact CSV Doctor
Clean mismatched contact fields, normalize email and phone formatting, and merge exact duplicates before importing into Google Contacts, Outlook, or another CRM.
The tool is a self-contained HTML file. Your contact data is processed in browser memory and never sent to us.
Available now · Free app + source
Shiji · 拾记
A local-first ledger PWA for iPhone and iPad. Import WeChat Pay or Alipay payment screenshots, review the OCR result, and understand monthly spending without creating an account.
Entries, screenshots, budgets, and backups stay in your browser. The OCR runtime is downloaded on first use; your financial data is not uploaded to us.
Practical guides
Fix the file before the import
Fix Outlook CSV import errors
Check encoding, headers, delimiters, malformed rows, and duplicate behavior.
Data cleanupDeduplicate a contact CSV safely
Use normalized email and phone values without uploading a customer list.
MigrationMove Google Contacts to Outlook
Export, inspect, clean, test, and import without losing track of the original.