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Coda One

Content Writing & SEOFreemium

In short: Highlights AI writing patterns in text and edits wording, rhythm, grammar, and tone.

Coda One is a set of browser-based AI writing tools from a UK company. The AI detector highlights sentence-level patterns associated with AI writing, and the humanizer and rewriter edit wording and rhythm in several modes. A grammar checker and a Chrome extension with right-click actions are included. The detector is free without a daily limit and paid plans raise the monthly word allowance.

  • AI detector with sentence-level highlights
  • Humanizer with nine writing modes
  • AI rewriter with several tones
  • Grammar and spelling checker
  • Chrome extension with right-click actions
  • Brand voice on paid plans

Edited by AI Central Tools

Listed on 5 November 2026.

Prices and features can change; check the maker's website.

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