10 Best AI Paraphrasing Tools in 2026 (Free & Paid, Tested)

TL;DR: What You Need to Know

QuillBot is the best AI paraphrasing tool overall, with the widest set of rewriting modes and a free tier that covers 125 words per request with no daily cap. For students who want a free, no-signup option, Scribbr (which runs on QuillBot) is the cleanest pick, and professionals who already write in Grammarly get solid rewriting without adding another tool. If you want maximum flexibility for free, ChatGPT or Gemini will paraphrase any length, though you have to prompt and edit them yourself.

One thing to be clear about upfront: no paraphrasing tool reliably beats Turnitin or other AI detectors, and trying to disguise AI or someone else’s work to fool a grader is an academic-integrity risk, not a feature. The honest use of these tools is to improve your own clarity and reword sources you then cite. This guide ranks 10 tools by quality, modes, and the free word limits buyers actually compare.

Pricing verified June 2026. AI tool pricing changes often, so confirm the current price on each vendor’s site before you subscribe. Inside AI Media is not an AI tool vendor; these picks are ranked on merit, not promotion.

Best AI paraphrasing tools compared

Here is the quick comparison, including the free word limit that matters most when choosing. For the broader writing stack, see our best AI writing tools guide.

How we picked these tools

A paraphraser is only useful if the rewrite keeps your meaning and reads naturally, so output quality came first. We also weighed how many rewriting modes each tool offers, what the free tier actually allows in words per request and per day, how many languages it supports, and whether it bundles grammar and plagiarism checking so you are not juggling five tabs. We left out the affiliate-pushed essay-writing sites and the tools that market themselves purely as detector-bypassers, since neither serves a reader trying to write better.

The 10 best AI paraphrasing tools in 2026

1. QuillBot

QuillBot is the category leader for good reason. It offers the widest set of rewriting modes, a synonym slider to control how much it changes, and a free tier that handles 125 words per request without a daily limit. It also bundles grammar checking, a summarizer, and a citation generator, so it covers most of a student’s writing needs in one place.

• Best for: the best all-round paraphraser, especially for students.
• Pricing: free with two modes; Premium around $9.95/mo for unlimited input and 9+ modes.
• Free tier: 125 words per request, no daily cap, two modes.
• Pros: most modes, synonym slider, 20+ languages, bundled grammar and citations.
• Cons: best modes need Premium; free word limit per request is modest.
• Best for: students and writers. Skip if: you need long passages free.

2. Scribbr

Scribbr runs on QuillBot’s engine but wraps it in an academic, no-signup experience that is completely free. It paraphrases up to about 125 words at a time with two modes and pairs the tool with plagiarism checking and citation guidance, which makes it the cleanest free pick for students worried about doing it right.

• Best for: free, no-signup paraphrasing for academic work.
• Pricing: free.
• Free tier: yes, no account, about 125 words per input.
• Pros: free with no signup, academic-integrity framing, citation and plagiarism tools.
• Cons: only two modes; short input limit; no advanced features.
• Best for: students. Skip if: you want creative or marketing modes.

3. Grammarly

Grammarly added strong rewriting to the writing assistant millions already use. Its rephrase and tone tools improve clarity and adjust between formal, casual, and confident, and because it works everywhere you type, it is the most convenient option for professionals who want better wording without opening a separate paraphraser.

• Best for: professionals and everyday writing across apps.
• Pricing: Free plan; Pro $12/mo (billed annually, $30 monthly); Enterprise custom.
• Free tier: yes, unlimited basic rephrasing.
• Pros: works in every app, grammar plus tone, no separate tool needed.
• Cons: fewer dedicated paraphrasing modes; advanced rewrite needs Premium.
• Best for: office and email writing. Skip if: you need academic modes.

4. Wordtune

Wordtune is the best tool for rewriting sentence by sentence, offering several rephrased options for any line so you can pick the one that fits. Its clarity focus makes it especially useful for non-native English writers who want their meaning to come across naturally.

• Best for: sentence-level rewriting and ESL clarity.
• Pricing: Free Basic; Advanced $4.89/mo (billed annually, $6.99 monthly); Unlimited $6.99/mo (annual).
• Free tier: yes, 10 rewrites per day.
• Pros: multiple options per sentence, strong clarity, good for ESL, browser and app.
• Cons: free daily cap is low; English-focused.
• Best for: clarity-focused writers. Skip if: you rewrite long documents at once.

5. Jasper

Jasper is built for marketing teams, so its paraphrasing sits inside a wider content platform with brand voice and SEO features. It is overkill for a quick reword, but for businesses producing content at scale that needs to stay on-brand, the rewriting is part of a genuinely useful suite.

• Best for: marketing and long-form content teams.
• Pricing: No free plan (7-day trial); Pro $59/mo (billed annually, $69 monthly); Business custom.
• Free tier: trial only.
• Pros: brand voice, SEO mode, long-form and bulk rewriting.
• Cons: expensive for paraphrasing alone; no lasting free tier.
• Best for: content teams. Skip if: you just need to reword a paragraph.

6. Rytr

Rytr is the budget all-in-one for writers who want to generate and rewrite without paying much. It covers paraphrasing alongside broader writing features, supports more than 30 languages, and comes in well below the premium tools, which makes it a sensible pick for hobbyists and small budgets.

• Best for: budget writing and rewriting in one tool.
• Pricing: Free (10,000 chars/mo); Unlimited $7.50/mo; Premium $24.16/mo.
• Free tier: yes, capped monthly.
• Pros: cheap, 30+ languages, broad writing features.
• Cons: output trails the leaders; free tier is tight.
• Best for: budget users. Skip if: you need top-tier rewrite quality.

7. Smodin

Smodin targets students who need more than rewriting. It pairs paraphrasing with a plagiarism checker and citation tools, supports multiple languages, and bundles the academic essentials together, which saves switching between separate apps for each step of an assignment.

• Best for: students needing paraphrasing plus citations and plagiarism checks.
• Pricing: from around $9.95/mo; limited free use.
• Free tier: yes, with a daily limit.
• Pros: citation and plagiarism tools, multilingual, student-focused.
• Cons: rewrite quality is good but not class-leading; free use is limited.
• Best for: academic workflows. Skip if: you only need a quick reword.

8. Semrush Paraphraser

If you already use Semrush for SEO, its paraphraser is a convenient extra. It rewrites up to 200 words a few times a day free, offers six modes, and sits next to the keyword and content tools SEO writers rely on, keeping the whole workflow in one platform.

• Best for: SEO writers already in the Semrush ecosystem.
• Pricing: No free plan (trial only); Pro $139.95/mo; Guru $249.95/mo; Business $499.95/mo.
• Free tier: 200 words, three times a day.
• Pros: six modes, generous per-use limit, native to Semrush.
• Cons: most valuable only if you pay for Semrush; daily cap on free.
• Best for: SEO teams. Skip if: you do not use Semrush.

9. ChatGPT and Gemini

General AI chatbots are flexible free paraphrasers. You can ask either to rewrite any length of text in any tone, simplify it, or make it more formal, and they handle multiple languages well. The trade-off is that you direct them with prompts and should check the result, since they can drift from your original meaning if the instruction is vague.

• Best for: free, flexible paraphrasing of any length.
• Pricing: free tiers; paid plans around $20/mo.
• Free tier: yes, effectively unlimited for light use.
• Pros: any length and tone, multilingual, free, also explains its changes.
• Cons: needs good prompts, can change meaning, not academic-tuned by default.
• Best for: flexible everyday use. Skip if: you want preset academic modes.

10. ProWritingAid

ProWritingAid is the choice for writers who want to improve, not just reword. Its rephrase feature sits alongside more than twenty in-depth writing reports that flag style, pacing, and overused words, which makes it a strong self-editing tool for authors and serious writers.

• Best for: in-depth self-editing alongside rephrasing.
• Pricing: limited free; Premium around $10/mo billed annually.
• Free tier: yes, with capped rephrases.
• Pros: detailed writing reports, rephrase tool, one-time license option.
• Cons: rephrasing is secondary to editing; free tier is limited.
• Best for: authors and editors. Skip if: you only want quick paraphrasing.

Paraphrasing modes explained

The better tools offer modes, and knowing which to use saves a lot of editing. Standard makes balanced changes while keeping your meaning. Fluency focuses on smoothing grammar and readability with light rewording. Formal raises the tone for academic or professional writing, while Simple lowers it for plain, easy-to-read text. Academic tightens phrasing for essays and papers. Creative rewrites more freely for fresh phrasing, and Shorten or Expand adjust length. Match the mode to the job: Formal or Academic for a paper, Fluency for cleaning up your own draft, Simple for explaining something clearly.

Free word limits compared

Free tiers differ most in how much text they let you rewrite at once, and this is what trips people up. QuillBot allows 125 words per request with no daily cap, and Scribbr is similar with no signup. Semrush gives a more generous 200 words but only three times a day. Wordtune limits you to 10 rewrites a day. Grammarly’s basic rephrasing is effectively unlimited but offers fewer modes. ChatGPT and Gemini will handle any length free for light use. If you regularly rewrite long passages without paying, the chatbots or Grammarly stretch furthest, while QuillBot and Scribbr are best for short, mode-controlled rewrites.

Best AI paraphrasing tool by use case

AI detection, Turnitin, and academic integrity: an honest take

A lot of searches ask which paraphraser is “undetectable” or can beat Turnitin, so here is the straight answer. No paraphrasing tool reliably evades modern AI detectors, the detectors themselves produce false positives that can flag genuine writing, and both sides keep changing, so any claim of guaranteed undetectability is marketing rather than fact. More importantly, deliberately disguising AI-generated work, or someone else’s writing, to fool a grader is an academic-integrity violation that can carry real consequences. The legitimate reason to paraphrase is to express an idea more clearly in your own words and to reword a source you then cite properly. Use these tools to write better, not to deceive.

Is AI paraphrasing plagiarism?

Paraphrasing is not plagiarism when you genuinely restate an idea in your own words and credit the original source. It becomes plagiarism when you take someone’s work, run it through a paraphraser, and present it as your own without a citation, because changing the words does not change whose idea it is. The safe habit is simple: paraphrase to improve clarity, cite any source you drew from, and use the tool on your own writing rather than as a way to copy someone else’s. Our best AI detectors guide explains how detection works if you want the other side of the picture.

Paraphrasing vs summarizing

The two get confused but do different jobs. Paraphrasing restates a piece of text in different words at roughly the same length, keeping all the detail. Summarizing condenses text into a shorter version that captures only the main points. Use paraphrasing when you need to reword a passage while keeping its full meaning, and summarizing when you want the gist in fewer words. Many of these tools, including QuillBot and Scribbr, include a separate summarizer for the second job.

Frequently asked questions

The bottom line on AI paraphrasing tools

QuillBot is the best AI paraphrasing tool for most people, with Scribbr the top free no-signup choice and Grammarly the most convenient for professionals. Pick the mode that fits your task, check the free word limit before you commit, and remember the honest purpose: paraphrasing is for writing more clearly and rewording sources you cite, not for slipping work past a detector. Start with a free tier and upgrade only if you rewrite often.