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Dev tools · April 18, 2026

LocalShield

Standalone Python scripts for protecting your personal data.

What it does

Standalone Python scripts for protecting your personal data entirely offline. LocalShield gives you readable, auditable privacy tools that run 100% on your machine. No cloud uploads, no external APIs, no telemetry. Every script is plainpy source code you can inspect line-by-line before running. - ArduDevGit/localshield

Does the same job

all alternatives →
  • LN
  • LP
    Local Privacy Firewall-blocks PII and secrets before ChatGPT sees themDec 2025 · github.com · ▲111

    OP here. I built this because I recently caught myself almost pasting a block of logs containing AWS keys into Claude. The Problem: I need the reasoning capabilities of cloud models (GPT/Claude/Gemini), but I can't trust myself not to accidentally leak PII or secrets. The Solution: A Chrome extension that acts as a local middleware. It intercepts the prompt and runs a local BERT model (via a Python FastAPI backend) to scrub names, emails, and keys before the request leaves the browser. A few notes up front (to set expectations clearly): Everything runs 100% locally. Regex detection…

  • IM
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    Creator here. I was looking for something as simple as Backblaze Personal [1] but privacy focused and open source. This is my attempt to build that. Uses PyQt6 [2] for the GUI and Pyinstaller [3] for creating the platform specific binaries. The backup engine under the hood is Restic [4]. The server code is written in Laravel [5]. All the code is on GitHub [6]. I actually really like Backblaze (even use B2 for this offering behind the scenes) so this isn't meant to throw shade their way. Just wanted a private open source alternative. Something like Bitwarden but for backups. [1]…

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    100% Local PII Anonymizer for ChatGPT & LLMs.

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