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AI Paraphraser

Free paraphrasing tool that rewrites sentences with a controlled thesaurus and deterministic restructuring. Compare word counts, readability, and highlighted changes—without random synonym chaos. Free, fast, and built for a clean browser workflow.

Private by design: paraphrasing runs in your browser and is not uploaded. Does not promise plagiarism evasion.

0 characters

Paraphrase mode

ModeFluency

Words0 → 0

Changed words0

Readability— → —

Paste text and choose a mode to start.

Highlighted changes

Words that differ from the original are marked so you can spot controlled thesaurus and restructuring edits quickly.

Highlighted changes will appear here after you paraphrase.

What each mode emphasizes

Fluency prefers smoother everyday synonyms and light clause cleanup for steadier reading.

Professional favors direct workplace wording and trims casual fluff without sounding stiff.

Academic leans formal, expands contractions, and keeps citation-friendly precision.

Simple swaps dense words for clearer ones and shortens long sentences where safe.

Creative picks livelier verbs and fresher phrasing while keeping meaning and protected tokens intact.

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About this tool

The ShishwaLab AI Paraphraser is a free paraphrasing tool and sentence rewriter that uses a controlled bundled thesaurus plus deterministic sentence restructuring. It never applies uncontrolled random synonym replacement, so meaning stays steadier than roulette-style rewriters.

Five modes cover common rewrite goals: Fluency for smoother wording, Professional for workplace clarity, Academic for formal papers, Simple for easier reading, and Creative for fresher voice. Technical terms, names, dates, numbers, URLs, citations, and quotes are preserved where practical.

You see original and output word counts, how many words changed, a readability comparison, and highlighted changes. Processing runs locally in your browser. This tool does not promise plagiarism evasion, Turnitin bypass, or academic-integrity shortcuts—treat output as a draft you still review.

Tips for better results

  • Start with Fluency for everyday rewrites; switch to Academic or Professional when tone matters more than casual smoothness.
  • Read the highlighted changes and changed-word count before you copy—spot any term that should stay exact.
  • Use Replace input with output to iterate mode-by-mode without re-pasting.
  • Do not treat paraphrasing as plagiarism evasion. Cite sources and keep your own ideas intact.

How to use

  1. 1 Paste the sentence, paragraph, or article you want to paraphrase.
  2. 2 Choose a mode: Fluency, Professional, Academic, Simple, or Creative.
  3. 3 Click Paraphrase, review highlighted changes and stats, then Copy, Download, or Replace input.

Mode guide

Rewrite with intent, not random synonyms

Each mode steers the controlled thesaurus and deterministic restructuring toward a different outcome. Protected tokens (URLs, numbers, citations, quotes, technical terms) stay intact where practical. This is a paraphrasing helper—not a plagiarism-evasion tool.

Fluency

Best default for everyday drafts. Prefers natural synonyms and light clause cleanup so sentences read more smoothly.

Professional

Best for emails, reports, and workplace updates. Favors direct wording and clear structure over casual phrasing.

Academic

Best for essays and formal explanations. Expands contractions, keeps a measured register, and stays citation-friendly.

Simple

Best when dense wording gets in the way. Swaps harder words for clearer ones and shortens long sentences where safe.

Creative

Best for marketing blurbs and storytelling. Chooses livelier verbs and fresher phrasing without inventing new facts.

FAQ

Is this a free paraphrasing tool?

Yes. Paste text, pick a mode, and rewrite in your browser. No account or paid AI API is required for basic paraphrasing.

How is this different from random synonym tools?

ShishwaLab uses a controlled thesaurus and deterministic sentence restructuring. The same input and mode always produce the same rewrite path—no uncontrolled random synonym swapping.

What is preserved?

Technical terms, names, dates, numbers, URLs, citations, and quoted spans are protected where practical so important tokens are not casually replaced.

Does this help evade plagiarism checkers?

No. This tool does not promise plagiarism evasion or academic-integrity bypass. Use it to clarify wording you already understand, and cite sources properly.

Is my text uploaded?

No. Paraphrasing runs entirely in your browser. Your draft is not uploaded to ShishwaLab servers for rewriting.

What stats and actions are available?

You get original/output word counts, changed-word count, readability before/after, and highlighted changes. Actions include Copy, Download TXT, Clear, and Replace input with output.