AI Text Simplifiers (Plain English)

CEFRlevels.com Text Analyzer rates the difficulty of a pasted text against the Common European Framework and draws a vocabulary list from it. Published by CEFRlevels.com, the tool compares each word with a list of the ten thousand most common words in English and returns an approximate level, along with the words most likely to need explaining.

100% Free (unlimited): The analyzer runs in the browser with no account, no registration and no payment, and a text may be submitted as often as needed. The vocabulary list it produces, and the word meanings it links to, open on the same terms.

Embarque AI Text Simplifier rewrites a pasted passage into clearer language and lets the writer set the tone and the length of the result. Published by Embarque, a content agency that offers a set of writing tools, the page pairs the tool with a short explanation of how it works and answers to common questions about its use.

100% Free (unlimited): The tool is open on the page with no account, no registration and no payment, and a text may be run through it as often as wished, with the tone and length settings available each time. The agency's other writing tools open the same way.

Hemingway Editor marks the sentences that make a piece of writing hard to read and gives it a readability grade as the text is typed or pasted. Published by Hemingway, the editor highlights long and dense sentences, adverbs, passive constructions and phrases with simpler alternatives, each in its own color, and updates the grade with every change.

Limits of the Free Tier Plan: The editor on the web page is free with no account: the highlights, the readability grade and the counts stay available whatever the length of the text. Hemingway Editor Plus, which rewrites the highlighted sentences, checks grammar and adjusts tone, is the paid part and comes with a two-week trial.

HumanizeAI Sentence Simplifier rewrites long or tangled sentences into plainer ones directly in the browser. Published by HumanizeAI.io, the tool takes pasted text, with an optional line of context to steer the result, and returns a simplified version that keeps the meaning while cutting the words that slow a reader down.

Limits of the Free Tier Plan: The simplifier itself is free to use with no account, and one session takes up to ten thousand words at a time. The paid plans listed on the site cover its other writing tools rather than this one.

QuillBot Summarizer condenses a long passage into its key points, either as a paragraph or as a list of sentences. Published by QuillBot, a writing platform that also offers a paraphraser, a grammar checker and a translator, the tool lets the length of the summary be set with a slider and works on pasted text or an uploaded document.

Limits of the Free Tier Plan: The summarizer is free to use without an account for texts of up to six hundred words, with both the paragraph mode and the key-sentence mode and the length slider available. Longer texts, and the other tools on the platform beyond their own free limits, need the paid Premium plan.

Resoomer gathers ten text tools in one place, led by a summarizer that reduces an article or a document to its main ideas. Published by Resoomer, the studio also holds a paraphraser, a rewriter, a translator, a spell checker, a text player that reads aloud, a word counter and a comparator, and it works in sixty-six languages.

100% Free (unlimited): All ten tools run in the browser with no account, no registration and no payment, and the page states that no character limit applies to the text submitted. The browser extensions and the application are offered on the same terms.

Revise Simplify Text rewrites a dense passage in plainer language while holding on to its meaning. Published by Revise, a word processor with a built-in writing assistant, the tool takes pasted text together with an instruction such as naming the audience, returns a revised version beside the original, and allows the result to be opened in the full editor.

Limits of the Free Tier Plan: The simplify tool is open on the page, and a free account adds the online document editor, one AI model and a daily limit on the amount of AI work. The paid plans, from eight dollars a month, lift that daily limit and add more capable models.

Rewordify rewrites difficult English text into simpler words and marks what it changed, so the harder word can still be seen beside its replacement. Published by Rewordify.com, it takes pasted text or the address of a web page, offers a library of classic literature and public documents, and keeps a record of the words a reader has met.

100% Free (unlimited): The simplifier, the classic literature library and the public documents are open with no payment, and text can be rewritten without an account. Registering, also free, is what stores the word lists and the learning records for a reader or a class.

SMMRY turns a long article, document or video into a short summary and offers it in several shapes: a paragraph, a bullet list, a single line or a mind map. Published by Smmry.com, the tool takes typed text, a web address or an uploaded file, works in more than twenty languages, and lets the depth of the summary be set before it runs.

Limits of the Free Tier Plan: The free plan summarizes typed text, a web address or an uploaded file in any of the output shapes, within a limit on the length of the text and the size of the file. The Pro plan takes much longer material and adds an interface for developers and connections to other applications.

Text Compactor shortens a passage to a chosen proportion of its original length, keeping the sentences that carry most of its meaning. Published by Knowledge by Design, the tool works in three steps: the text is pasted in, a percentage is set with a slider or typed in a box, and the summary appears ready to copy elsewhere.

100% Free (unlimited): The tool is open on the page with no account, no registration and no payment, and a text may be summarized again at any percentage as often as wished. Nothing is held back and no sign-in is required at any point.