Free writing tools
Instant, no-sign-up tools for counting, measuring, and cleaning up your text. Everything runs in your browser — your text never leaves your device.
Free Word Counter
Free online word counter. Count words, characters, sentences, and paragraphs in real time, plus reading time. No sign-up, no limits — runs in your browser.
Open tool →Free Character Counter
Free online character counter. Count characters with and without spaces in real time, with word and sentence counts. Check Twitter/X, meta tag, and SMS limits.
Open tool →Free Sentence Counter
Free online sentence counter. Count sentences in your text instantly, with average sentence length, word, and paragraph counts. No sign-up, runs in your browser.
Open tool →Free Paragraph Counter
Free online paragraph counter. Count paragraphs in your text instantly, with word, sentence, and character counts. No sign-up — runs entirely in your browser.
Open tool →Free Reading Time Calculator
Free reading time calculator. Paste your text to estimate how long it takes to read or speak aloud, with live word and sentence counts. No sign-up required.
Open tool →Free Words to Pages Converter
Free words-to-pages converter. See how many pages your word count fills, single- and double-spaced, instantly. Plus live word, character, and reading-time counts.
Open tool →Free Readability Checker
Free readability checker. Get your Flesch Reading Ease score and grade level instantly, with the reading age your text targets. No sign-up — runs in your browser.
Open tool →Free Case Converter
Free online case converter. Change text to UPPERCASE, lowercase, Title Case, Sentence case, camelCase, snake_case, and more in one click. No sign-up, fully private.
Open tool →Free Letter Counter
Free letter counter. Paste text to count letters and characters instantly — with and without spaces — plus words and sentences. No sign-up, fully private.
Open tool →Free Speech Time Calculator
Free speech time calculator. Paste your script to see how long it takes to say out loud at a natural pace — words to minutes, live. No sign-up required.
Open tool →Free Syllable Counter
Free syllable counter. Count syllables in any word, sentence, or poem instantly, with per-word and per-line breakdowns for haiku. Runs in your browser.
Open tool →Free Word Frequency Counter
Free word frequency counter. See your most-used words and repeated phrases ranked by count and density, with a common-word filter. Runs in your browser.
Open tool →Free Text Compare (Diff Checker)
Free text compare tool. Paste two versions to see every added and removed word highlighted, with a similarity score. Private — nothing leaves your browser.
Open tool →Free Grade Level Checker
Free grade level checker. See what school grade your writing reads at across five formulas — Flesch–Kincaid, Gunning Fog, SMOG, and more — instantly.
Open tool →AI Word Checker
Free AI word checker: paste text and see every stock AI phrase, filler transition and overused adjective, with a density score and a better word for each.
Open tool →Em Dash Remover
Free em dash remover: paste text and replace every — with a comma in one click. Also handles en dashes. Runs in your browser, no sign-up, nothing uploaded.
Open tool →Remove Line Breaks From Text
Free tool to remove line breaks from text. Unwrap PDF paste while keeping paragraphs, or join every line into one block. No sign-up, runs in your browser.
Open tool →Words to Minutes Calculator
Convert words to minutes and minutes to words. Paste a script for its speaking time, or enter a time slot to get a word target — four speaking paces, free.
Open tool →Text Cleaner
Free text cleaner: strip invisible characters, curly quotes, odd spacing and stray dashes from pasted text. Every rule reports what it changed. No sign-up.
Open tool →Passive Voice Checker
Free passive voice checker: paste text and see every passive construction highlighted in place, with the share of sentences affected. No sign-up, runs in browser.
Open tool →Duplicate Line Remover
Free tool to remove duplicate lines from a list. Keep the first of each, collapse consecutive repeats, sort, trim or number lines. Runs in your browser.
Open tool →Convert Text to Lowercase
Free lowercase converter: turn any text into lowercase in one click, including ALL CAPS. Also does sentence case, Title Case and more. No sign-up needed.
Open tool →Convert Text to Uppercase
Free uppercase converter: turn any text into CAPITAL LETTERS instantly. Also does lowercase, sentence case and Title Case. No sign-up, runs in your browser.
Open tool →Simple tools that respect your text
Most “free” online tools make you wait through ads or upload your writing to a server. These don’t. Every tool here is a small, fast utility that runs entirely in your browser — paste your text and the numbers update as you type, with nothing sent anywhere. Use the word counter to hit an essay limit, the readability checker to write more clearly, or the case converter to fix capitalization in one click.
When you need to do more than measure your writing, Humanit’s AI tools pick up where these leave off — rewrite AI-flavored text to read human, check whether text looks AI-generated, paraphrase, summarize, and fix grammar.
Do more with your writing
Humanize AI text, detect AI writing, and check your work — free to start, and the AI detector needs no sign-up.