Side-by-side comparison · Updated April 2026
| Description | MaskMyPrompt is a tool that anonymizes your prompts before sending them to ChatGPT. It ensures that all your prompt data stays private and never gets saved or sent to any server. The tool also highlights names and masks them effectively to maintain the confidentiality of the information you are sharing. Programmed by Mike Ushakov and ChatGPT, MaskMyPrompt integrates with Transformers.js library, offering seamless operations. If you encounter any bugs or have feature requests, you can reach out via email or Twitter. | PromptKnit is a comprehensive AI playground designed for prompt designers. The platform offers a variety of professional prompt editors compatible with models such as GPT-4o, Claude-3-Opus, and Gemini-1.5-Pro. Key features include function call simulations, an intuitive user interface for project and prompt management, and robust security protocols like RSA-OAEP and AES-256-GCM encryption. Users can choose from free or paid subscription plans that offer various levels of access and support, including priority customer service and extensive project and prompt options. |
| Category | SecurityApplication | Natural Language Processing |
| Rating | No reviews | No reviews |
| Pricing | N/A | Freemium |
| Starting Price | N/A | Free |
| Plans | — |
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| Tags | Prompt AnonymizationPrivacyChatGPTTransformers.jsBug Reports | AI playgroundprompt editorsGPT-4oClaude-3-OpusGemini-1.5-Pro |
| Features | ||
| Anonymizes prompts | ||
| Keeps data private in the browser | ||
| No data saved or sent to server | ||
| Highlight and mask names | ||
| Developed by Mike Ushakov and ChatGPT | ||
| Integrated with Transformers.js | ||
| Supports bug reporting | ||
| Feature request capability | ||
| Browser-based operations | ||
| Ensures confidentiality | ||
| Professional prompt editors | ||
| Supports GPT-4o, Claude-3-Opus, Gemini-1.5-Pro models | ||
| Function call simulation | ||
| RSA-OAEP and AES-256-GCM encryption | ||
| Free and paid subscription plans | ||
| Project management and collaboration | ||
| Code export functionality | ||
| Prompt history tracking | ||
| API parameter settings | ||
| Feedback-driven development | ||
| View MaskmyPrompt | View Knit | |
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