Open ChatGPT, Claude, Gemini, Copilot or Perplexity. Tightlip checks each message there before it is sent.
Credits
Protected prompts without a key. Messages with nothing sensitive are free and not counted.
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Tunes what counts as sensitive. Healthcare also protects every full date.
Kept on this device.
Sites
While Perplexity is on, its as-you-type suggestions are off: they send your draft before you press send.