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Sahihly estimates writing style. No detector is 100% accurate — use results as guidance, not proof.

AI DetectorToolCheck any text for AI-likelihood with sentence highlights.Arabic AI DetectorToolThe first detector genuinely built for Arabic morphology and register.ChatGPT DetectorToolCheck text for the stylistic fingerprint of ChatGPT-class models.AI HumanizerToolRewrite AI text into a human voice, meaning-safe, auto-verified.Word CounterToolWords, characters, sentences, reading time — instant and private.Readability CheckerToolReadability score, audience level, and long sentences — in your browser.Best AI Detectors of 2026ComparisonWe compared the leading AI-detection tools on accuracy, transparency, language support, and price. Every detector here is an estimate engine — none is infallible — so we weighted honesty and sentence-level explanations, not just a headline number.Best AI Humanizers of 2026ComparisonA good humanizer improves rhythm and removes robotic patterns without changing your meaning. We ranked the top tools on meaning preservation, naturalness, language support, and whether they verify their own output.Best AI Writing Tools of 2026ComparisonFrom drafting to polishing to checking, these are the tools we recommend for real writing work in English and Arabic — with an honest note on where each one fits.Best AI Tools for Reports of 2026ComparisonWriting reports means drafting, structuring, checking quality, and making sure the final document reads like a person wrote it. Here's the stack we recommend — English and Arabic.Best Undetectable.ai alternativesComparisonNo genuine Arabic support — Arabic output reads translated Best QuillBot alternativesComparisonIt paraphrases but doesn't tell you how AI-like your text reads Best GPTZero alternativesComparisonBuilt for English essays; Arabic results are close to noise Best ZeroGPT alternativesComparisonAccuracy swings widely between runs on similar text Best Copyleaks alternativesComparisonPriced and built for institutions, not individual writers 11Article11 Natural, Academic, or Casual? Choosing the Right Rewrite StyleArticleThe same paragraph lands differently in each register. Here's how to pick — with Arabic register notes included.Does Google Penalize AI Content? What Actually Matters for SEOArticleGoogle's official position, what the helpful-content system really measures, and a workflow that keeps AI-assisted articles ranking.A Student's Honest Guide to AI Writing Tools in 2026ArticleWhat's allowed, what's risky, and how to use AI to become a better writer instead of a dependent one.10 Tells That Text Came From ChatGPT (With Fixes)ArticleFrom "furthermore" chains to suspiciously balanced paragraphs — the patterns to spot, and how to rewrite each one.Writing Great Arabic in the AI Era: A Practical GuideArticleAI drafts Arabic with telltale habits. Here's how to spot them — and restore the music of the language.A Responsible Pre-Submission Checklist for the AI EraArticleFive honest steps to review your work before you hit submit — without crossing any integrity lines.What "99% Accurate" Really Means in AI DetectorsArticleAccuracy claims hide two very different error types. Understanding them will change how you read every score.Why Arabic AI Detection Is Hard — and How We Approach ItArticleMorphology, diacritics, and dialects break English-only tools. Here's the Arabic-first approach.Humanizing AI Text Without Losing Your MeaningArticlePractical edits that make robotic drafts sound like you — while keeping every fact intact.How AI Detectors Actually Work (and Their Limits)ArticleA plain-English tour of perplexity, burstiness, and why no detector is ever 100% sure.Sahihly vs Undetectable.aiComparisonUndetectable.ai is a well-known English humanizer. Sahihly matches it on English while adding genuine Arabic support and a free, no-signup tier.Sahihly vs QuillBotComparisonQuillBot is a paraphrasing staple for English. Sahihly focuses on AI detection plus meaning-safe humanizing across Arabic and English.Sahihly vs GPTZeroComparisonGPTZero popularized AI detection for educators. Sahihly offers detection plus humanizing, with first-class Arabic that GPTZero doesn't target.Sahihly vs CopyleaksComparisonCopyleaks is an enterprise-leaning plagiarism and AI-detection suite. Sahihly focuses on the writer: instant detection plus humanizing, free to try, and genuinely bilingual.Sahihly vs ZeroGPTComparisonZeroGPT offers quick free AI checks. Sahihly adds what comes after the score: sentence-level insight and a humanizer that fixes the style — in Arabic as well as English.AI DetectorTermA tool that estimates how likely a text was generated by a language model, based on statistical and stylistic signals. Output is a probability, never a certainty.AI HumanizerTermA tool that rewrites machine-sounding text into a natural human voice — varying rhythm and removing robotic patterns — while preserving the original meaning.PerplexityTermA measure of how surprised a language model is by each next word. Human writing tends to have higher perplexity (more surprising word choices) than machine writing.BurstinessTermHow much sentence length and complexity vary across a passage. Humans naturally alternate short and long sentences; AI text is often suspiciously uniform.Lexical DiversityTermThe ratio of unique words to total words (type-token ratio). Low diversity — the same words recycled again and again — is a common machine-writing signal.AI TellsTermStock phrases that language models overuse: "furthermore", "in today's world", "it is important to note". A high density of tells raises AI-likelihood scores.False PositiveTermWhen a detector flags genuinely human writing as AI-generated. The most damaging kind of detector error — and the reason scores must never be treated as proof.LLM (Large Language Model)TermThe technology behind ChatGPT, Claude, and Gemini: a neural network trained on vast text to predict the next word, which lets it generate fluent language.RegisterTermThe formality level of writing — academic, professional, casual. Good humanizing keeps meaning while shifting register; in Arabic this spans فصحى رصينة to فصحى مبسّطة.Academic IntegrityTermThe ethical rules of scholarship: submitting your own work and disclosing assistance when required. Style tools must be used within your institution's policies.