Top AI Tools for Writing, Editing, and Polishing Your English Content

Whether you're crafting an email, drafting a blog post, or building out landing page copy,

there's one nagging thought that never really goes away:

"Is this grammatically correct?"

Especially when writing in English for a global audience, it’s easy to feel uncertain—about grammar, tone, even clarity.

Thankfully, AI-powered writing assistants are here to help. These tools go beyond spellcheck.

They help you rewrite, rephrase, and reimagine your content—so you can write with confidence.

Below are three of the most popular tools that are changing the way we write in English.

1. Grammarly

Best for: Real-time grammar checks, tone analysis, and general editing

Grammarly is one of the most widely used AI writing assistants. It’s designed to catch grammar, spelling, and punctuation errors, while also suggesting ways to improve clarity and tone.

Whether you're writing inside Google Docs, Outlook, or just typing in your browser, Grammarly’s extension works almost everywhere. Its premium version even includes generative writing support, like auto-drafting and rephrasing suggestions.

Key Features

• Grammar & spellcheck: Real-time detection and correction of writing errors

• Tone detection: Identifies whether your tone is formal, friendly, assertive, etc.

• Clarity suggestions: Rewrites wordy or unclear sentences

• Plagiarism check: Available in the premium version

Pros

• User-friendly interface

• Strong grammar and tone suggestions

• Works across most platforms and writing environments

• Real-time feedback

Cons

• Free version is limited in features

• Sometimes over-corrects or changes the author’s intent

• Style suggestions may feel robotic if overused

2. Wordtune

Best for: Rewriting sentences for clarity, changing tone, expanding or shortening text

If you're looking to rephrase sentences with better flow, or want to say the same thing in a more casual or formal tone,

Wordtune is a solid choice.

Instead of focusing on strict grammar rules, Wordtune helps you sound better.

It rewrites your text in multiple styles—whether you're aiming for brevity, clarity, or a more polished voice.

Key Features

• Rewrite tool: Offers multiple sentence variations

• Tone adjustment: Switch between casual and formal tones

• Concise/expand modes: Condense long sentences or elaborate short ones

• Simple interface: Just highlight and choose an option

Pros

• Excellent for improving sentence structure

• Doesn’t distort meaning while improving clarity

• Fast and intuitive UX

Cons

• Weaker in strict grammar correction

• Advanced features require a paid subscription

• Occasionally suggests overly altered sentences that lose nuance

3. ProWritingAid

Best for: In-depth writing analysis, structure, and long-form editing

ProWritingAid is often seen as a more advanced alternative to Grammarly. It doesn't just flag errors—it analyzes your writing across multiple dimensions: grammar, repetition, flow, structure, and even overused words.

Ideal for novelists, long-form writers, or anyone writing detailed reports, it offers full writing reports and in-depth analytics.

Key Features

• Comprehensive checks: Grammar, spelling, readability, and style

• Style guidance: Tailored suggestions based on genre or content type

• Reports & dashboards: Track your progress and weaknesses

• One-time purchase option: Lifetime plan available

Pros

• Excellent for long or complex documents

• Deep analytics and style guidance

• Supports various file formats and integrations

Cons

• Slightly steeper learning curve

• UI can feel cluttered

• Slower performance on large documents

In Summary

Final Thoughts

If you’re writing for business, marketing, or global communication, these tools can elevate your writing and save countless hours of editing. Grammarly is the go-to for quick grammar and tone checks. Wordtune is your stylist when you're stuck on phrasing.

ProWritingAid is your full-suite editor for polishing large pieces of content.

No matter what you're writing, there's now an AI assistant that can make it better.