# AI Text Signals

Paste text to review patterns commonly assessed as AI-writing signals, plus page evidence, hidden Unicode and reader-quality findings—all locally in your browser.

Contact: support@aitextsignals.com
Canonical: https://aitextsignals.com/

- [AI Text Signal Checker — Review Writing Patterns Privately](https://aitextsignals.com/) — Paste text or upload a file to review writing patterns commonly assessed as AI signals, hidden Unicode and quality issues locally. No upload or authorship verdict.
- [Website AI Signal Checker — Inspect Saved HTML Locally](https://aitextsignals.com/website-ai-signals/) — Inspect saved HTML metadata, structure, resource references and extractable text—or use a private page checker for computed-visible text. Nothing is uploaded.
- [Invisible Character Detector — Find Hidden Unicode](https://aitextsignals.com/invisible-character-checker/) — Detect invisible characters in text—including zero-width, non-breaking and bidi Unicode—and see each code point and position locally in your browser.
- [How AI Text Detection Works — Signals, Scores and Limits](https://aitextsignals.com/how-ai-text-detection-works/) — Understand features, benchmarks, calibration, coverage, abstention and why an AI text score cannot prove authorship.
- [AI Detector False Positive Audit — Review a Flag Privately](https://aitextsignals.com/false-positives/) — Audit text flagged by an AI detector: inspect measurable writing patterns, formatting sensitivity and hidden Unicode locally, without claiming authorship.
- [AI Text Quality Cleaner — Fix Hidden Unicode and Spacing](https://aitextsignals.com/quality-cleaner/) — Remove invisible controls, normalize Unicode and repair accidental spacing locally while preserving the words and meaning of your text.
- [About AI Text Signals](https://aitextsignals.com/about/) — The product boundary, local architecture and separation between writing, page and quality evidence.
- [Privacy — AI Text Signals](https://aitextsignals.com/privacy/) — How local analysis, property-free analytics, inactive advertising surfaces and optional public assets are handled.
- [Terms — AI Text Signals](https://aitextsignals.com/terms/) — Experimental-use limits and the prohibition on sole high-consequence decisions from AI Text Signals output.
- [Cookies and Advertising Choices — AI Text Signals](https://aitextsignals.com/cookies/) — How AI Text Signals handles browser storage, cookieless measurement, inactive advertising and future consent or opt-out choices.
- [Contact — AI Text Signals](https://aitextsignals.com/contact/) — Contact AI Text Signals support without sending private, confidential or identifying source material.