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How to Paraphrase Without Plagiarizing

Paraphrasing is more than swapping words for synonyms. Done right, it shows you understand a source and lets you use its ideas in your own voice. Here's a reliable method, with examples of what works and what doesn't.

Quick answer

Read the passage until you understand it, put it away, and write the idea from memory in your own words and sentence structure. Then compare with the original to make sure the meaning is the same and no distinctive phrases were copied, and always cite the source. A paraphrase without a citation is still plagiarism.

Paraphrasing Tool showing original text and a rewritten version with highlighted word changes
Changed words are highlighted. Click any of them to pick another synonym. Screenshot of our free Paraphrasing Tool.

What is paraphrasing?

Paraphrasing means restating someone else's idea in your own words and your own sentence structure, while keeping the original meaning. It's usually about the same length as the original, which is what makes it different from a summary.

QuotingParaphrasingSummarizing
WordingExact words, in quotation marksYour own wordsYour own words
LengthSame as the originalAbout the sameMuch shorter
Needs a citationYesYesYes

How to paraphrase in 5 steps

  1. Understand the passage. Read it two or three times. Look up any terms you don't know.
  2. Note the key idea in a few words, without looking at the original.
  3. Write your version from memory. Start the sentence differently, change the structure, and use your own vocabulary.
  4. Compare with the original. Is the meaning identical? Did any distinctive phrase sneak through? Put unavoidable unique phrases in quotation marks.
  5. Cite the source in the format your school or publication requires (APA, MLA, Chicago and so on).

Examples: good and bad paraphrases

Original: "Regular physical activity reduces the risk of heart disease, improves mood, and helps people sleep better."

Bad: synonym swapping ("patchwriting")

"Frequent physical exercise lowers the danger of heart illness, boosts mood, and assists people to sleep better."

The structure and order are identical, and only individual words were changed. Many instructors and plagiarism checkers treat this as plagiarism, even with a citation.

Good: new structure, same meaning

"People who exercise regularly tend to sleep better and feel happier, and they're also less likely to develop heart disease (Source, 2024)."

The sentence starts differently, the order of ideas has changed, the wording is natural, and the source is cited.

Techniques that help

  • Change the sentence structure: turn a list into a cause and effect, or split one long sentence into two.
  • Change the starting point: begin with a different part of the idea.
  • Switch voice: active to passive or the reverse, where it reads naturally.
  • Change word forms: "the analysis showed" becomes "analyzing the data revealed".
  • Use synonyms carefully, and only as one technique among several.

Keep technical terms and proper names as they are. "Photosynthesis" or "the Treaty of Versailles" don't need synonyms.

Using a paraphrasing tool responsibly

A paraphrasing tool is a useful writing aid: it helps you avoid repeating your own words, find a better phrase, or make a draft more formal or simpler. It is not a way to make someone else's work yours.

Our Paraphrasing Tool is designed for this kind of editing:

  1. Paste your own sentence or draft.
  2. Pick a mode: Standard, Fluent (light changes), Creative, Formal or Simple.
  3. Click any highlighted word to choose another synonym or restore the original.
  4. Read the result, and adjust anything that doesn't sound like you.

Try it free: Paraphrasing Tool

Rewrite simple English text by swapping words for synonyms. Runs in your browser, no sign-up.

Open the tool

Academic integrity: running a source through any paraphrasing tool and submitting the result is still plagiarism. Many schools also have rules about AI writing tools. When in doubt, check your institution's policy or ask your instructor.

When to quote instead of paraphrasing

  • The exact wording matters: definitions, laws, contracts.
  • The phrase is famous or distinctive.
  • You're analyzing the author's language itself.
  • Paraphrasing would change or weaken the meaning.

Keep quotes short and use them sparingly. Most of your text should be your own analysis.

Frequently asked questions

Do I need to cite a paraphrase?

Yes. You're using someone else's idea, so you must credit them, even if every word is your own.

How many words can I keep from the original?

There's no universal rule. Common words and technical terms are fine. Any distinctive phrase of three or more words should either be rewritten or put in quotation marks.

Can plagiarism checkers detect paraphrasing?

Many can detect close paraphrasing where the structure stays the same. Real paraphrasing, with your own structure and a citation, is not plagiarism.

Is my text stored?

No. Our paraphraser runs entirely in your browser.

The bottom line

Good paraphrasing starts with understanding, not with a thesaurus. Write the idea from memory, use your own structure, double-check the meaning, and always cite the source.

Found something out of date or unclear? Email contact@ultratoolsai.com and we'll fix it.

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