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Writing Tools

Readability scores and prose analysis.

Free writing tools: Flesch readability, Gunning Fog and SMOG scores, passive voice and adverb detectors, syllable counter and speaking time. Analyze your prose, client-side. All 22 tools below are free, run entirely in your browser, and need no sign-up.

Readability Score Calculator

Free readability score calculator. Get the Flesch Reading Ease score and grade level for any text instantly in your browser, no sign up.

Flesch-Kincaid Grade Level Calculator

Free Flesch-Kincaid grade level calculator. Find the US school grade needed to read your text, computed instantly in your browser.

Gunning Fog Index Calculator

Free Gunning Fog index calculator. Measure text complexity by grade level using sentence length and complex words, all in your browser.

SMOG Index Calculator

Free SMOG index calculator. Estimate reading grade from polysyllable counts, the standard for health and medical readability, in your browser.

Coleman-Liau Index Calculator

Free Coleman-Liau index calculator. Get a US grade level from letters and sentences per hundred words, no syllable counting, in your browser.

Automated Readability Index Calculator

Free Automated Readability Index calculator. Get a US grade level from characters, words and sentences instantly in your browser.

Passive Voice Detector

Free passive voice detector. Find passive sentences and get the passive share of your text instantly in your browser, no upload needed.

Adverb Counter

Free adverb counter. Highlight -ly adverbs and see what share of your writing they make up, computed instantly in your browser.

Filler Word Finder

Free filler word finder. Spot padding words like just, really, very and actually so you can cut them, all in your browser.

Cliche Finder

Free cliche finder. Detect tired phrases like at the end of the day and think outside the box so you can freshen up your writing.

Weasel Word Finder

Free weasel word finder. Catch vague qualifiers like some, many, arguably and reportedly that weaken claims, all in your browser.

Sentence Length Analyzer

Free sentence length analyzer. See average, longest and shortest sentence lengths and flag overly long sentences, all in your browser.

Average Word Length Calculator

Free average word length calculator. Measure mean characters per word and syllables per word to gauge how dense your writing is.

Syllable Counter

Free syllable counter. Count syllables in a word, phrase or full text using an English heuristic, computed instantly in your browser.

Lexical Diversity Calculator

Free lexical diversity calculator. Measure vocabulary richness with the type token ratio and root TTR instantly in your browser.

Longest Words Finder

Free longest words finder. Rank the longest words in your text by character count so you can simplify dense vocabulary, in your browser.

Unique Word Counter

Free unique word counter. Count distinct words versus total and see your repetition rate instantly in your browser, no upload needed.

Repeated Word Finder

Free repeated word finder. Detect words you overuse and catch adjacent duplicate words in your writing, all in your browser.

Dialogue Percentage Calculator

Free dialogue percentage calculator. Measure how much of your story is spoken dialogue versus narration, computed in your browser.

Text Complexity Analyzer

Free text complexity analyzer. Combine multiple readability formulas into one consensus grade and complexity snapshot, in your browser.

Speaking Time Calculator

Free speaking time calculator. Estimate how long your speech or script takes to read aloud at your chosen pace, computed in your browser.

Transition Word Counter

Free transition word counter. Measure how many sentences use transition words like however and therefore to improve flow, in your browser.

Frequently asked questions

Are these writing tools free?

Yes. Every writing tool on yourhack.ai is completely free, with no sign-up and no usage limits.

Do these writing tools work on mobile?

Yes. They run in any modern web browser on phone, tablet or desktop. There is nothing to install.

Is my data private?

Yes. These tools run entirely in your browser, so nothing you enter is uploaded to a server.

How many writing tools are there?

There are currently 22 free writing tools here, and we add more regularly.

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