Paraphrasing is restating an idea in your own words and sentence structure while keeping the meaning — and it is one of the most misunderstood skills in academic writing. Done well, it shows you understood the source. Done as a quick synonym swap, it is patchwriting, and most universities count that as plagiarism.
This tool rewrites a sentence or paragraph using fixed academic word and phrase lists — no AI model, no account, no word limit. Use it for the sentences that will not come out right, then edit the output until it reads like your own work, and keep the citation on every borrowed idea.
This tool works from curated lists of word and phrase substitutions: informal phrasing becomes formal, filler disappears, and stock academic collocations replace vague ones. That reliably changes the surface of a sentence, which is useful when you are stuck on phrasing or want a more formal register quickly.
What it cannot do is rethink a sentence. It does not understand your argument, so it will not reorder ideas, merge two weak sentences into one strong one, or notice that a substitution slightly shifts your meaning. Treat the output as a draft of the wording, not of the thinking — the thinking stays yours.
A genuine paraphrase changes both the words and the sentence structure, and it keeps the citation. Changing every sixth word while keeping the source's structure is patchwriting, and university academic-integrity rules treat it as plagiarism even when a citation is present.
The reliable method is slower but safe: read the passage, look away, and write the idea as you would explain it to a classmate. Then check your version against the source for accuracy and add the citation. Use this tool for the sentences that will not come out right, not for the whole paragraph.
Standard swaps informal words and phrases for neutral equivalents — useful when a draft reads too much like speech. Academic adds a second set of substitutions aimed at the register examiners expect in essays, reports and theses. Shorten removes filler words and stock phrases without swapping anything, which is the safest mode when the meaning is delicate.
If the output changes what a sentence claims — even slightly — do not use it. Numbers, technical terms and names are left alone, but verbs and qualifiers are exactly where meaning hides.
A rule-based rewrite does not read as AI-generated, but that is the wrong target to aim at. Similarity checkers compare your text against sources, so a paraphrase that stays too close to one passage can still be flagged, and academic integrity rules cover inadequate paraphrase regardless of what any detector says.
The safe pattern is always the same: rewrite the idea in your own structure, keep the citation, and review the final sentence yourself before it goes anywhere near a submission.
Yes, completely free, with no sign-up and no word limit.
No tool can promise that. Similarity checking compares text against its database, so a paraphrase that stays close to the source's structure can still be flagged. Rewrite ideas in your own structure and cite the source — that is what actually protects you.
No. The tool keeps nothing: text you paste is not stored, and it is not used to train any model.
Yes. Paraphrasing changes the wording, not the ownership of the idea. Every paraphrased idea needs its citation — the citation generators on this site can format it in APA, MLA, Harvard and other styles.
The tool substitutes from fixed lists and does not understand context, so occasionally a replacement fits the sentence poorly. Always review the output and correct it before using it.