12 Paraphrasing Tools to Improve Your Content Quality

Paraphrasing is an essential skill for any content creator or student. The ability to restate text or ideas in your own words is critical for producing unique content and avoiding plagiarism accusations.

In this comprehensive guide, we will compare the top 12 paraphrasing tools on the market to help you dramatically improve your paraphrasing efficiency.

What is Paraphrasing and Why Does it Matter?

Paraphrasing means rewriting text or restating ideas using your own vocabulary and sentence structures, while retaining the original meaning and information content.

It‘s an extremely valuable skill for:

  • Students: Paraphrasing source materials helps students properly cite ideas in essays and assignments without directly copying passages. This avoids plagiarism while demonstrating understanding of the content.

  • Content Creators: Unique content ranks better in SEO and keeps readers engaged. Paraphrasing tools help create fresh variations of existing text.

  • Technical Writers: Rephrasing complex sentences with simpler vocabulary improves comprehension. Paraphrasing tools make technical documents more readable.

Simply put, paraphrasing helps communicate ideas better!

However, there‘s a fine line between paraphrasing and plagiarism. While paraphrasing reframes ideas in your own style, plagiarism involves directly copying text without credits.

This guide will help you paraphrasing properly using the best tools available.

Types of Paraphrasing Tools

There are two main categories of paraphrasing tools:

AI-Powered Paraphrasing Tools

AI-powered paraphrasing tools utilize machine learning models like GPT-3 to analyze text and rewrite sentences.

They "understand" the meanings of sentences before rephrasing, allowing them to make fewer grammar and meaning errors. However, they tend to be more expensive.

Examples include WordAi, Quillbot, Hix AI and Chimp Rewriter.

Rules-Based Paraphrasing Tools

Instead of AI, rules-based tools rely on an algorithmic approach with a built-in dictionary of synonyms and rewrite "rules".

They mechanically replace words/phrases with synonyms and alter sentence structures. They offer less accuracy but are generally free or low cost.

Examples include Spinbot, Paraphrasing Tool and Rewriter Tool.

In this guide, we evaluate both types of paraphrasing tools.

Key Features of Paraphrasing Tools

Here are some key features that differentiate paraphrasing tools:

  • Accuracy – Does the tool retain the original meaning correctly after paraphrasing?

  • Grammar – How good is the grammar of the rewritten sentences?

  • Formats Supported – Can you directly paraphrase content from Word, Google Docs etc?

  • Languages Available – Number of languages supported besides English

  • Customization – Ability to tweak paraphrasing "style"

  • Plagiarism Checks – Built-in plagiarism checking before/after paraphrasing

  • Pricing – Free vs monthly subscription model

We will compare top tools on these criteria.

Top 12 Paraphrasing Tools Compared

Here is an in-depth evaluation of the 12 best paraphrasing tools available right now:

1. Quillbot

Quillbot utilizes advanced AI to rewrite text after understanding the meaning. This allows it to make fewer grammar/meaning errors.


Key Features

  • Retains meaning very accurately post-paraphrasing
  • Multiple rewrite styles: Standard, Fluency, Expand, Shorten, Formal, Creative
  • Chrome/Word/Google Docs extensions available
  • Plagiarism checker
  • Free and paid versions


  • Excellent paraphrasing accuracy
  • Feature-rich paid version
  • Browser extensions very convenient


  • Only 125 words free version
  • Expensive paid plans

Verdict: Quillbot offers best-in-class paraphrasing accuracy. It‘s a top choice if you want minimize meaning changes.

2. WordAi

WordAi utilizes powerful AI to churn out human-like variations of text articles. The rewritten text reads very naturally.


Key Features:

  • Specifically designed for full-length articles
  • Multiple rewrite styles
  • Bulk content handling
  • API access available
  • 30-day free trial


  • Excellent for long-form content
  • Natural readability
  • Feature-rich


  • Expensive subscription plans
  • No free version beyond trial

Verdict: WordAi is the gold standard for repurposing long articles with great readability.

3. Paraphraser.io

Paraphraser.io is a capable AI-based free paraphrasing tool with helpful features.


Key Features:

  • Free account offers 500 word paraphrasing
  • Retains original meaning very well
  • Readability of rewritten text is good
  • Multiple paraphrasing "Modes"


  • Free version generous 500 words
  • Accuracy is very competitive
  • Easy-to-use interface


  • Premium version relatively expensive
  • No browser extensions

Verdict: For a free paraphrasing tool, Paraphraser.io offers great accuracy and features.

4. Spinbot

Spinbot is a popular free paraphrasing tool relying on interchangeable synonyms and resentencing rules.


Key Features:

  • 10,000 character limit for free accounts
  • Change sentence lengths
  • Option to capitalize sentences
  • Available as Chrome extension


  • Completely free to use
  • Helpful customization options
  • Also available as browser extension


  • Accuracy not as good as AI tools
  • No paid upgrade option

Verdict: Spinbot is the best fully-free paraphrasing tool available despite some accuracy issues.

5. Paraphrase Online

Paraphrase Online offers a simple yet easy-to-use interface for quick everyday paraphrasing needs.

Paraphrase Online

Key Features:

  • Allows 1000 word paraphrasing
  • Retains original meaning reasonably well
  • Lets you edit synonyms appropriately


  • Completely free to use
  • Easy-to-use minimal interface
  • Synonym editing improves accuracy


  • Light on advanced features
  • Accuracy issues with longer sentences

Verdict: Paraphrase Online is ideal for fast, everyday paraphrasing despite limited features.

6. Paraphrasing Tool

Paraphrasing Tool utilizes a hybrid rules/AI-based algorithm for flexible paraphrasing. It offers good accuracy overall.

Paraphrasing Tool

Key Features:

  • 10,000 character limits for free users
  • Multiple paraphrasing "Modes"
  • Option to retain capitalized words


  • Free version quite generous
  • Accuracy fairly decent
  • Easy-to-use interface


  • Overall features limited
  • Readability can be improved

Verdict: Paraphrasing Tool offers a handy free solution for simpler paraphrasing needs.

7. Rewriter Tool

Rewriter Tool relies mainly on algorithms, rules and synonyms for paraphrasing text. It‘s easy to use but accuracy suffers.

Rewriter Tool

Key Features:

  • 10,000 character limit
  • Retains capitalized words
  • Multiple language support


  • Completely free to use
  • Quick and easy paraphrasing


  • Accuracy and grammar issues
  • Limited features

Verdict: Rewriter Tool offers a fast paraphrasing solution, but has room for improvement in accuracy.

8. Rephraser

Rephraser uses a rules-dictionary combo to paraphrase text, but remains completely free. The toolbar integrates nicely with web browsers.


Key Features:

  • Toolbar integrates with Chrome/Firefox
  • Instant paraphrasing highlighted text
  • Tweak sentence lengths


  • Browser toolbar very convenient
  • Completely free to use


  • Accuracy is below par
  • Very limited features

Verdict: Rephraser offers browser-based convenience for quick paraphrasing despite accuracy issues.

9. Seo Tools Centre

Seo Tools Centre is an AI-powered paid paraphrasing API targeted towards developers. It can be integrated into websites/apps.

Seo Tools Centre

Key Features:

  • Developer API
  • Multiple language support
  • Customizable paraphrasing styles


  • Robust API capabilities
  • Multi-language support


  • Not suitable for casual users
  • Expensive

Verdict: Seo Tools Centre excels for developers needing paraphrasing API integration.

10. Prepostseo

Prepostseo stands out with its free plagiarism checker along with standard paraphrasing features.


Key Features:

  • Free plagiarism checker
  • Upload docs from Google Drive/OneDrive
  • Multiple language support


  • Built-in plagiarism checker
  • Cloud upload integration helpful


  • Accuracy not the best
  • Premium version expensive

Verdict: Prepostseo adds nice extras like plagiarism checks to a decent paraphrasing tool.

11. Chimp Rewriter

Chimp Rewriter (Aiditorial) is a robust paid paraphrasing application designed for longer content generation.

Chimp Rewriter

Key Features:

  • Specialized for long-form content
  • Multi-language support
  • Customization options


  • Works very well for full articles/papers
  • Feature-rich


  • Desktop software not as convenient
  • Expensive subscription

Verdict: Chimp Rewriter excels at repurposing long-form content.

12. Spinner Chief

Spinner Chief has been a long-time player in the article spinning and paraphrasing space. It offers advanced features via desktop software.

Spinner Chief

Key Features:

  • Specialized for full articles
  • Advanced substitution, rearrangement and expansion
  • Built-in grammar and spell checks


  • Excellent for full content pieces
  • Very feature rich


  • Desktop application less convenient
  • Steep learning curve

Verdict: Spinner Chief still remains a top choice for hardcore article rewriting and spinning.

Paraphrasing Tool Recommendations

Here are some quick recommendations based on common use cases:

  • Students/Academic writing: Quillbot, Paraphrasing Tool
  • Website Content: WordAi, Spin Rewriter
  • Technical Content: Quillbot, Paraphraser.io
  • Social Media Posts: Paraphrase Online, Spinbot
  • Translations: Quillbot, WordAi

For most casual everyday paraphrasing involving simpler text, free tools like Spinbot and Paraphrase Online are good enough.

For advanced article rewriting and spinning, WordAi and Spinner Chief lead the pack.

Tips for Using Paraphrasing Tools Effectively

While paraphrasing tools dramatically improve efficiency, there are still ways to optimize their output further:

  • Review paraphrased sentences carefully for inadvertent meaning changes
  • Manually fix any grammar issues in the rewritten text
  • Double check paraphrased text through a plagiarism checker
  • Use multiple paraphrasing tools in combination for best results
  • Edit the final paraphrased output lightly before publishing

With practice, you will quickly learn to utilize these tools properly for your use case.


Paraphrasing tools utilize cutting-edge AI and computational algorithms to rewrite and repurpose text efficiently while avoiding plagiarism risks.

They save hours of manual effort while offering customized spinning for any writing needs. From assignments and essays to website content and social posts, these intelligent tools optimize text for better clarity, engagement and uniqueness.

We hope our detailed feature comparison helps you pick the best paraphrasing assistant for your specific needs. Let your writing reach its full potential!