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Scrub payroll & equity spreadsheets in seconds. 100% local, no uploads. Protect PII before you share or feed it to AI. 🛡️ Anon-Izzie — Excel/CSV Anonymizer for PII (HR, Payroll, Equity) TL;DR: Anon-Izzie = free, fast, safe spreadsheet anonymizer. No PII, no cry. Anon-Izzie is your friendly neighborhood Excel/CSV anonymizer. She scrubs or redacts personal info (PII) — names, employee IDs, SSNs, tax IDs, salaries/comp, addresses, emails, phone numbers, DOBs, grant/award IDs, bank/visa hints — right on your device. 👉 No uploads. No leaks. No PII, no cry. Perfect when you need to redact personally identifiable information before sharing a spreadsheet, demoing, or feeding files to AI. Also great for auditors, vendors, and nosy executives who don’t need the real numbers. ✨ Key Features (in plain English) Drag & Drop anonymizer → Drop in Excel/CSV; get a clean anonymized file. Optional: Mapping CSV (original → anonymized) and Summary JSON (what got scrubbed + how). Smart detection → Targets HR/payroll/equity fields: names, SSNs, tax IDs, salary/comp, DOBs, phones, addresses, emails, grant/award data, and more. Three anonymization modes (pick what fits): 🔒 Strict — fully redact personal info (demo/share-safe). 📊 Contextual — de-identify with realistic stand-ins (shifted DOBs, generalized locations, randomized IDs; salaries get sensible perturbation). 🎯 Range — data masking into clean comp bands (e.g., $90k–$110k) so you keep analytical shape without exposing exact salaries. Fast & simple — Most files anonymize in seconds. Zero permissions — Runs 100% locally in your browser. No networks, trackers, or sneaky API calls. Open source — Transparent code, MIT license. No black boxes. 💡 Why people use Anon-Izzie Excel privacy for HR/payroll/equity pros who live in spreadsheets. “I need to send this but I can’t show real names/salaries.” — fixed. Safer pre-AI step: anonymize first, then paste to ChatGPT/Claude/etc. Clean artifacts for audits and compliance reviews (optional map & summary). 🚀 How It Works Open Anon-Izzie → Click the extension. Drop your file → Excel (.xlsx) or CSV. Pick a mode → Strict, Contextual, or Range. Choose downloads → ✅ Anonymized file (always) ⬜ Mapping CSV (original → anonymized values) ⬜ Summary JSON (detection details + version) Anonymize → Files download instantly. No cloud. 🔐 Privacy & Security, minus the buzzwords No PII leaves your machine. Ever. No host permissions. We don’t spy on tabs or pages. No telemetry. We don’t phone home. Open source. You can read the code and chill. 🧰 Notes & Limits (so you’re not surprised) Works great with .xlsx and .csv. Older Excel formats may need re-save to .xlsx/.csv first. Formulas export as values (that’s normal for anonymization). Mapping CSV is optional (and potentially reversible): keep it private if you might de-anonymize later. No anonymizer is perfect. Review before sharing. Provided “as is.” This is not legal/tax/compliance advice. 🙋 FAQ (fast answers) Does it upload data? No. All processing is local-only in your browser. Is this a PII anonymizer or a redaction tool? Both. Use Strict for full redaction, Contextual for realistic fakes, Range for compensation data masking. Why three modes? Different jobs: Strict for screenshots/sharing, Contextual for demos/training, Range for analysis. Can I keep relationships for analysis? Yes. Contextual mode keeps consistent tokens (same input → same fake) and Range mode preserves distribution shape. What about personally identifiable information (PII) variants? We target common HR/payroll/equity fields and keep improving detection (IDs, SSNs, emails, phones, addresses, DOBs, comp). Open source? Yep. MIT-licensed. Transparent. Friendly. Opinionated about privacy. 🆕 What’s New (recent highlights) Contextual comp fix — round salaries (e.g., $100,000) now get sensible perturbation instead of passing through unchanged. Proper CSV escaping — standards-compliant exports (no fake “HTML sanitization” nonsense). Optional downloads — choose Mapping CSV and/or Summary JSON with checkboxes. 👩💻 Built by In the Money AI We build practical tools for equity comp + payroll nerds. Tagline: “No PII, no cry.” And yes, we’re serious about privacy and vibe working.
Feb 16, 2026
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