AI · alternatives · 2026

24 alternatives to Serendipity
Catch and remove sensitive data before it's shared with AI
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Serendipity launched in 2024; newer entries below may have overtaken it.
- 1
Sequirly▲129Prevent accidental data leaks while using AI tools
Mar 2026 · sequirly.com · its alternatives →
- 2
Chat4Data▲461Chat4Data is a Chrome extension that lets you scrape structured data from any website just by chatting with AI—no coding required. We're launching today on Product Hunt and would love your feedback!
2025 · chat4data.ai · its alternatives →
- 3

The first AI agent that can operate your browser.
2023 · hyperwriteai.com · its alternatives →
- 4
undash▲298Makes AI text feel more human by removing em—dashes
2025 · chromewebstore.google.com · its alternatives →
- 5
Task Sentry▲129Free AI website blocker for Chrome that stops distractions in real-time. 100% private on-device processing. Block the right sites at the right time.
Nov 2025 · tasksentry.app · its alternatives →
- 6

Hello HN, I’m Kamil. The past months have been filled with news about ChatGPT, Bard, etc. Thankfully, there are some heroic attempts to bring that power to the users. I wanted to contribute to that effort with my side project, an extension for Chrome: it makes searching the history by meaning – instead of the exact words – possible. This is only a proof of concept, building on the excellent transformers.js[0], and running entirely in the browser. My goal here is to explore the possibilities unlocked by a client-side AI. I would love to have your feedback, to know which direction that project…
2023 · getpinbot.com · its alternatives →
- 7
Serendipity▲18The space for builders to think out loud.
May 2026 · joinserendipity.co · its alternatives →
- 8

Supercharge your Email, Twitter, and Web with ChatGPT
2023 · chromewebstore.google.com · its alternatives →
- 9

- 10

Hey HN, I'm excited to share BrowserBee, a privacy-first AI assistant in your browser that allows you to run and automate tasks using your LLM of choice (currently supports Anthropic, OpenAI, Gemini, and Ollama). Short demo here: https://github.com/user-attachments/assets/209c7042-6d54-4fc... Inspired by projects like Browser Use and Playwright MCP, its main advantage is the browser extension form factor which makes it more convenient for day to day use, especially for less technical users. Its also a bit less cumbersome to use on websites that require you to be…
2025 · github.com · its alternatives →
- 11
SuperPrompt▲113Save & paste your AI prompts without switching tabs.
2025 · superprompts.framer.website · its alternatives →
- 12
AgreeGuard▲90AI reads the fine print before you click "I Agree"
Mar 2026 · agreeguard.app · its alternatives →
- 13

- 14
SafePrompt▲12Anonymize Prompt and Text Input to use AI at work safely
2025 · jack-of-all-trades.dev · its alternatives →
- 15PA
2021 · privacybot.io · its alternatives →
- 16

- 17

Automate Your Tasks with Unmatched Privacy
2024 · chromewebstore.google.com · its alternatives →
- 18

Browser extension helps to take website screenshots without exposing private information. Blur private information, edit website text
2020 · datamask.tech · its alternatives →
- 19

- 20
AI Safeguard▲14Prevent sensitive data leaks in popular LLM's like ChatGPT
2025 · aisafeguard.co.uk · its alternatives →
- 21

Stop leaking sensitive data to AI chatbots
Feb 2026 · chromewebstore.google.com · its alternatives →
- 22

Your personal prompt and context library
Dec 2025 · wigglegpt.com · its alternatives →
- 23

an AI extension that can SEE, LISTEN, REMEMBER for Chrome
2025 · chromewebstore.google.com · its alternatives →
- 24

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
2025 · blog.alexewerlof.com · its alternatives →
Also compare
Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →