CleanMyPrompt
22 Articles Published

The Prompt Hygiene Blog

Expert guides on PII redaction, token optimization, EU AI Act compliance, and building secure AI workflows.

2026-03-263 min

CleanMyPrompt vs Presidio vs Purview: Choosing a PII Redaction Tool for AI

A practical comparison of three PII redaction approaches — client-side regex, Microsoft Presidio, and Microsoft Purview — for teams building AI workflows.

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2026-03-263 min

CCPA Compliance for AI Prompts: What California Privacy Law Means for LLM Users

How CCPA and CPRA apply when you paste consumer data into AI tools — and a practical workflow to stay compliant.

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2026-03-252 min

How to Remove PII Before Using ChatGPT (Step-by-Step Guide)

A practical walkthrough for stripping personal data from prompts before pasting into ChatGPT, Claude, or Gemini — without uploading anything to external servers.

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2026-03-242 min

Reduce ChatGPT API Costs with Token Compression (Save 30-40%)

Practical techniques to cut your OpenAI API bill by compressing prompts before sending them — without losing meaning or context.

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2026-03-232 min

GDPR-Compliant AI Prompts: A Practical Workflow for EU AI Act Readiness

How to prepare prompts for GDPR and EU AI Act compliance — a step-by-step workflow for stripping personal data before AI ingestion.

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2026-03-222 min

How to Clean PDF Text for LLMs (ChatGPT, Claude, Gemini)

PDF text extraction is messy — broken lines, page numbers, headers. Here's how to clean it for AI consumption in seconds.

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2026-03-212 min

Prompt Injection Prevention Checklist for Developers

A practical security checklist for preventing prompt injection attacks when building LLM-powered applications.

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2026-03-083 min

How to Reduce Gemini API Costs: Token Optimization for Google AI

Gemini 1.5 Pro and Flash have attractive pricing — but only if you manage token usage deliberately. Here are the concrete tactics that cut Gemini API costs by 30–50% without degrading output quality.

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2026-03-081 min

How to anonymize medical notes for ChatGPT

Step-by-step guide to remove PHI from clinical notes before using LLMs.

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2026-03-064 min

LLM Token Costs Explained: How to Estimate and Cut Your AI API Bill

Token costs compound silently until they don't. This guide explains exactly how tokenization works, what drives up your token count, and the concrete steps that cut AI API costs by 30–50% without changing your prompts.

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Blog — Prompt Hygiene, PII Redaction & Token Optimization | CleanMyPrompt