Alternatives
Products that do what SafePrompt JP does
SafePrompt JPは、AI送信前に氏名・住所・電話番号を自動検知し匿名化するChrome拡張です。
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I wrote a small Chrome extension that allows the user to replace all usernames on Hacker News with either the string `anonymous` or a deterministic hashed value.
2023 · chrome.google.com
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SNSに投稿したい文章の攻撃性・感情強度をAIがチェック。 あなたの言葉に、やさしいワンクッションを。
Jun 2026 · words-watching-app.na0aaooq.com
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Sharing screen is really scary today with all PIIs and secrets sprawling around your screen, so I built [name-redacted], a small Chrome extension that spots API keys, tokens, emails, and throws a blur overlay on them in real time. The goal is to make screen-sharing feel safe again without adding steps to a demo. Everything runs locally—regex + entropy heuristics compiled to WASM—and the extra CPU cost averages ~1 ms per mutation on my M1. Custom rules can be added with a JSON file for teams that have proprietary token formats. visit [url-redacted] Feedback please <3
2025
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Protect kids from sharing personal info on AI & social media
Mar 2026 · safeprompt-guardian.netlify.app
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Announcement of a new extension for secure internet browsing
Jan 2026
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2022 · github.com
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Redacts sensitive data before pasted text reaches LLM chat
May 2026 · chromewebstore.google.com
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Using the new Prompt API to build a free open source privacy-first chat extension that runs on Chrome or Edge on Linux, Mac, Windows and ChromeOS
Oct 2025 · blog.alexewerlof.com
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Find vulnerabilities in your AI prompts before your users do
26d ago · testmyprompt.net
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I've created this banner to warn visitors to your site of the dangers of Google's WEI proposal. It's easily installed, all it requires is two lines of HTML to include the JS and CSS. It will display only to Chrome users (and Vivaldi/Brave as a side effect, sorry chaps, but I couldn't narrow the UA detection any further). If you don't know what WEI is or why it is a danger, please read here: https://openwebdefenders.org/ and here: https://www.fsf.org/blogs/community/web-environment-integrit... If you want to see what the banner looks like but…
2023 · github.com
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