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Paraphrasing Tool

Third-party service

Rephrase a sentence or paragraph with AI while keeping its meaning — pick from 9 styles (including Shorten/Expand) and see exactly what changed.

Input

Minimum 10 characters, maximum 5,000 characters.

Output

Paraphrased text

Paraphrase some text to see what changed.

Diff HTML
 
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Guides

Paste a sentence or paragraph and get an AI-reworded version — same meaning, different words. Useful for finding another way to say something, freshening up a line that reads too close to a source, or just getting unstuck on a sentence.

How to use it

  1. Paste the text you want to paraphrase (10 to 5,000 characters — a sentence or a paragraph).
  2. Choose a paraphrase style.
  3. Click Paraphrase.
  4. Check the "What changed" preview to see exactly which words were swapped, added, or removed.

Paraphrase styles

  • Standard — natural word swaps and restructured sentences, same tone as the original.
  • Fluency — smoother, more polished phrasing without changing the register — good for cleaning up awkward or non-native phrasing.
  • Formal — more professional wording and sentence structure.
  • Academic — precise, scholarly wording and impersonal sentence structure.
  • Simple — short sentences and plain, everyday words.
  • Casual — relaxed, conversational phrasing.
  • Creative — more varied sentence structure and word choice, while staying strictly factual.
  • Shorten — condenses the text while keeping every key point.
  • Expand — elaborates with additional detail and clarifying phrasing.

Seeing what changed

The "What changed" preview highlights the paraphrase word-by-word against your original — removed words struck through, added words underlined — so you can spot exactly how much the wording actually moved instead of eyeballing two blocks of text side by side.

Tips

  • The paraphrase covers only what's actually in the text you pasted — it doesn't add outside facts or its own opinion.
  • For a whole article or blog post rather than a single sentence/paragraph, use Article Rewriter instead — it supports up to 20,000 characters and can lock specific keywords so they survive the rewrite unchanged.
  • For a result you can share or embed without regenerating it, copy the output text — like every AI-generated tool on this site, the result isn't reproducible from a shared link (it's non-deterministic, so a link would just spend credits regenerating a different answer).

Is my text stored anywhere?

Your pasted text is sent to an AI provider to generate the paraphrase, then discarded — it isn't logged, stored, or used to train anything. See the third-party data badge above the tool for details.

Will this help avoid a plagiarism/duplicate-content flag?

A paraphrase changes the wording, but a plagiarism checker or search engine evaluates more than exact phrasing — copied structure and thin content can still be flagged even reworded. Use this to find a different way to say something, not as a substitute for writing something original.

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Use it from code

From 24 credits per call

REST API

curl -X POST https://api.iotools.cloud/v1/tool/paraphrasing-tool \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "inputText": "Regular exercise improves both physical and ment…"
  }'

Swap in your own key from your account. The tool's fields are the body — no wrapper.

Ask an AI agent

Use the IOTools `paraphrasing-tool` tool (Paraphrasing Tool) on this input:

YOUR_INPUT_HERE

Paste this at any agent connected to the IOTools MCP server, then add your input.

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