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PromptShield
Write better AI prompts before you hit send.
FreeBrowser Extension5,000 impressions#3 of its week
PromptShield is a Chrome extension that reviews and improves prompts in AI chat interfaces before you send them.
- for
- Developers and users of AI chat tools who want clearer, safer prompts.
- pricing
- freemium
Key features
- One-click optimization — Transforms a rough prompt into a detailed instruction with a single click.
- Context & clarity checks — Identifies missing context, vague wording, and suggests improvements.
- Sensitive data guard — Detects potentially sensitive information and can run OCR locally on images.
- Prompt library & history — Keeps a local library of optimized prompts and history on your device.
- Personalization & coach — Learns from your choices locally and can suggest display language.
- Cross-chat support — Works with ChatGPT, Claude, Gemini, Perplexity, Grok, DeepSeek, and Meta AI.
Use cases
- Refine study-help prompts for AI tutors to get step-by-step explanations.
- Create detailed coding assistance prompts for debugging or learning.
- Ensure customer-support prompts contain no confidential data before sending.
PromptShield pricing
- Free$03 optimizations per day · Full optimizer quality · Prompt library & history
- Pro$7.99/monthUnlimited optimizations · Same optimizer as Free · Cross-device access
PromptShield vs alternatives
.png?width=64){kind=icon} PromptShield |  PromptForge |  Offsend Browser Extension |  HighlightGPT |  AITDK SEO Extension | |
|---|---|---|---|---|---|
| Best for | One-click prompt optimization for web-based AI chats | Prompt enhancement across ChatGPT, Bard & Claude | Privacy-first secret masking | Code snippet explanation within ChatGPT | SEO analysis and optimization |
| Pricing | Freemium | Free | Free | Free | Free |
| DevHunt upvotes | 12 | 14 | 11 | 6 | 26 |
| Launched | Sep 2026 | Jan 2024 | Jun 2026 | Jan 2026 | Jun 2024 |
- PromptShield vs PromptForge: PromptForge also enhances prompts but focuses on multiple AI models without a Chrome extension UI.
- PromptShield vs Offsend Browser Extension: Offsend masks secrets before they reach AI, emphasizing privacy rather than prompt improvement.
- PromptShield vs HighlightGPT: HighlightGPT highlights code snippets in ChatGPT for explanations, not general prompt optimization.
- PromptShield vs AITDK SEO Extension: AITDK SEO Extension optimizes web content for SEO, unrelated to AI chat prompt refinement.
PromptShield FAQ
What does PromptShield do?+
It reviews the prompt you are writing in a supported AI chat, suggests a clearer version with more context, and lets you apply it before sending.
Is PromptShield free?+
Yes, the Free plan provides 3 successful optimizations per local day with no credit card required.
Which AI tools does PromptShield work with?+
It supports ChatGPT, Claude, Gemini, Perplexity, Grok, DeepSeek, and Meta AI in Chrome.
What happens to my prompts and data?+
Prompt text is sent over HTTPS to the optimizer API; library, history, and personalization stay on your device by default, and image OCR runs locally.
What does the Pro plan include?+
Pro costs $7.99/month and removes the daily limit, offering unlimited optimizations and cross-device access while using the same optimizer as the Free plan.
Summarized by DevHunt from usepromptshield.com · Sep 27, 2026. Details may change; check the official site.
