Free AI
paraphrasing tool.

Original Text

Paraphrased Text

Your paraphrased text
will appear here

Paste your text

Paste or type any text into the left panel. Essays, emails, reports, blog posts — anything up to 5,000 characters.

Choose a mode

Pick one of 6 rewrite modes depending on your goal — fluency, formality, academic style, creativity or length reduction.

Copy the result

Click Paraphrase Now. GPT-4o rewrites your text in seconds. Copy the result or use it as new input for another pass.

GPT-4o quality

Uses OpenAI's most capable model — not a basic word-swap algorithm. The output reads naturally and preserves meaning accurately.

No word limit

Paraphrase up to 5,000 characters per request — about 700–800 words. No daily cap, no credit system, no upgrade required.

6 rewrite modes

Standard, Fluency, Formal, Academic, Creative and Shorten. Each mode uses a distinct GPT-4o prompt tuned for that specific rewriting goal.

Use output as new input

Refined your paraphrase but want to go further? One click moves the result into the input field for another rewrite pass.

Word count comparison

See words before and after rewriting, with a +/− indicator. Especially useful when using Shorten mode for condensing text.

Always free, no signup

No account, no email, no paywall. Paraphrase as many times as you need at no cost. ToolStack is free forever.

Standard

When you need a different version of a sentence or paragraph without changing its tone or length. Useful for avoiding repetition.

Best for: Content writers, bloggers avoiding duplicate phrasing.

Fluency

When text feels awkward, choppy or unnatural. Especially useful for content written by non-native English speakers.

Best for: Smoothing out AI-generated text or translated content.

Formal

When you need business-ready or professional writing. Removes slang, casual language and contractions.

Best for: Emails, reports, cover letters, proposals.

Academic

When you need scholarly vocabulary and structure suitable for university essays or research writing.

Best for: Essays, dissertations, academic reports.

Creative

When you want to make writing more vivid, expressive and engaging. Adds stronger word choices and varied structures.

Best for: Blog posts, marketing copy, social media content.

Shorten

When text is too long and needs to be condensed without losing key information. Reduces by ~30–40%.

Best for: Summaries, executive briefs, character-limited fields.

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