Laying out the streets…STEP 1 OF 3

Tidewall · Office #45,209

Stops API keys and personal data going into ChatGPT, Copilot and Claude

In the Controlling AI token cost neighborhood (AI and agents). In town since 20 Oct 2026.

Nobody has claimed this office yet. Tablif records every new product and gives it an office; when its owner claims it, the lights go on.

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What Tablif read on Tidewall's site

Tidewall describes itself as: “Tidewall · Keep personal data out of AI chats”

What it is

Calls itself “AI data-leak protection”.

  • Calls itself: AI data-leak protection
“AI data-leak protection”

Where it puts itself

Its one line of difference: “A tool that stops data leaking shouldn’t collect your data. So Tidewall doesn’t.”

“A tool that stops data leaking shouldn’t collect your data. So Tidewall doesn’t.”
“What it doesn’t cover (yet): desktop AI apps, IDE assistants and phone browsers.”

What it costs

Monthly subscription and yearly plan. A free tier, free forever. Has an enterprise plan. Prices quoted: £3 per user / month, £4 per user / month, £6 per user / month.

  • Monthly: yes
  • Yearly: yes
  • Free plan: free forever
  • Price: £3 per user / month · £4 per user / month · £6 per user / month
  • Enterprise plan: yes
“Team £3 per user / month, billed yearly”
“From 5 users · £4 billed monthly”
“Business £6 per user / month, billed yearly”

Who it sells to

Sells to businesses and consumers. Built for solo users and teams.

  • Sells to: businesses and consumers
  • Company size: solo / indie · teams
“Free for individuals. The Team plan adds central rules”
“Free for individuals.”

How it runs

A browser extension. Runs locally and works offline. Distributed through the Chrome Web Store and Microsoft Edge Add-ons. AI is a side feature.

  • Kind: extension
  • Runs where: on the device, offline
  • Distributed via: Chrome Web Store · Microsoft Edge Add-ons
  • AI role: a side feature
“How it works: a Manifest V3 extension that checks everything locally”
“Every check runs inside your browser, in about a millisecond.”

What it works with

Plugin for ChatGPT, Claude, DeepSeek and 2 more. Names Gemini and Microsoft Copilot on its pages.

  • Plugin for: ChatGPT · Claude · DeepSeek · +2
  • Names: Gemini · Microsoft Copilot
“Tidewall checks each message when you press Send, on 20+ AI tools: ChatGPT, Microsoft Copilot, Gemini, Claude, Perplexity, DeepSeek, Mistral, Grok, v0, Bolt, Lovable and more.”
“Tidewall checks every message the moment you press Send in ChatGPT, Claude, Copilot and other AI tools.”

What it offers as proof

Live, no waitlist. Claims “20+”. Compliance: GDPR. Try it without signing up. Publishes docs.

  • Number claimed: 20+
  • Compliance: GDPR
  • Instant signup: yes
  • Trial asks for: nothing
“Add to browser · free”
“…on 20+ AI tools”

Sources

Tablif read these pages, last on 20 Oct 2026. Everything above is what the product says about itself; Tablif does not verify every claim.

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