PasteGuard
Early-stageProductivity · Free · Web
Client-side scanner for API keys, tokens, private keys, and PII before pasting into AI chats.
This tool is hosted on a netlify.app platform subdomain, so it's listed as early-stage. When it moves to its own domain, re-submitting earns a full listing.
Walk around it
PasteGuard has a plot in otra.city, a browser-native voxel city. The scene is several megabytes and needs WebGL, so it waits for a click. Move with WASD, drag to look around. Open on otra.city
Key features
- Detects API keys, private keys, tokens, and common PII patterns in pasted text
- Runs fully client-side with nothing uploaded
- Built for checking text before ChatGPT, Claude, or Copilot pastes
Pricing
Free — Free. No account. Runs entirely in the browser.
How people use PasteGuard
A developer uses PasteGuard to prevent accidental exposure of sensitive data. Before pasting code snippets or configuration files into an AI chatbot, PasteGuard automatically scans the text for API keys, private keys, or personally identifiable information. If sensitive data is detected, the user receives an immediate alert, allowing them to review and redact the information before it leaves their local environment.
An automated check confirmed the "Featured on PromptFrenzy" badge appears on pasteguard-exp2.netlify.app and links back to this page without rel=nofollow or sponsored. The check re-runs daily for the first week and weekly thereafter — three consecutive failures move the listing to a 30-day grace window before public removal.
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