36 free writing tools
that run in your browser

Humanizers

Free AI humanizer that shows which sentences read as AI and why, then humanizes AI text toward how you actually write.

Detectors

Free AI detector and AI checker with a sentence-level heatmap instead of one percentage.

Detectors

Check a draft against the signals Turnitin's AI writing indicator measures.

Analysers

Measure your own writing across ten traits, rhythm, vocabulary range, punctuation habits, contraction rate, and build a Style DNA you can write against.

Writers

Paste one sentence or a whole paragraph and rewrite it so it reads naturally, in your voice.

Writers

Rewrite a paragraph so it reads naturally, and see which sentences were dragging it down.

Rewriters

Reword a sentence, paragraph or essay so it reads naturally and keeps your meaning.

Checkers

Check an essay for the sentence patterns that trigger AI-writing flags, with each one explained.

Checkers

Check whether an essay reads as AI-written, with a sentence-level breakdown of every flag.

Writers

Rewrite your essay or paper so it reads naturally, fixing only the sentences that need it.

Writers

Rewrite articles and blog drafts with a sentence-level readout of what reads as machine-written.

Analysers

Paste any text and get sentence rhythm, vocabulary range, word predictability and punctuation habits in seconds.

Checkers

Check the tone of any text against measurable signals: formality, contraction rate, sentence rhythm and vocabulary.

Writers

Rewrite AI-drafted emails so they sound like a person wrote them.

Writers

See which sentences need rewriting for free, then rewrite them in your own voice with every edit explained.

Analysers

Check readability with sentence-length and vocabulary measurements, and see exactly which sentences are hurting the score.

Analysers

Calculate readability from live sentence and word measurements, and see which sentences drive the grade.

Analysers

Count words and characters, and get the sentence and vocabulary measurements behind them.

Analysers

Count characters with and without spaces, live, plus sentence and vocabulary analysis.

Detectors

Check whether text was written by ChatGPT, with a per-sentence breakdown of the signals behind every flag.

Detectors

Free ChatGPT Zero checker: paste text and see how likely it is to be AI-written, sentence by sentence, with scores from 7 detectors.

Detectors

Check submitted content for AI-writing signals, with a per-sentence breakdown you can send back to the writer.

Detectors

A free AI detector built around what teachers actually need: which sentences look machine-written, and why, not a verdict.

Detectors

Free AI detector for students.

Rewriters

Convert AI text to human text.

Rewriters

AI paraphrasing tool that rewrites sentences and paragraphs in natural, human-sounding language, and shows you which lines still read as AI.

Humanizers

Turn ChatGPT output into writing that sounds like you, with every edit explained.

Humanizers

Rewrite an AI-drafted essay toward your measured writing habits, with citations and structure preserved.

Checkers

Measure perplexity and burstiness directly, the two signals behind nearly every AI detector.

Checkers

Count em dashes and see whether your punctuation habits match your own writing or ChatGPT's.

Checkers

Find clichés, dead metaphors and stock transitions, with each one marked in place.

Writers

AI essay writer that finds real academic sources, plans your sections and writes a 250 to 2,000 word essay, then humanizes it so it reads like you.

Writers

AI stealth writer that drafts your essay and humanizes it in the same editor, with a live AI score on every section.

Detectors

Upload a video to check whether it was AI-generated, with a live score from a trained video detector.

Detectors

Free deepfake detector for face-swap videos.

Detectors

Upload a recording to check whether the voice is AI-generated or cloned.