Nightfall for ChatGPT
Stay compliant and redact sensitive data in ChatGPT
Nightfall for ChatGPT launched on August 4, 2023 with 207 votes, #187 of 4,347 launches that month and more than 95% of that year's launches. The site was still online in September 2026, 3 years on.
What it does
Nightfall for ChatGPT is an ML-powered browser extension that automatically finds and removes a variety of sensitive information including PII, PCI, confidential information, and API keys in ChatGPT prompts.
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