6 Best AI Copywriting Tools for Writers in 2025 [Free & Paid]

Published on
April 3, 2025
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Can AI write better copy than a human, and should we even try?

Instead of replacing people, many companies are using AI to support teams, speed up work, and improve results.

Repurpose, a brand focused on compostable household products, uses AI to handle financial tasks, sharpen its marketing, and simplify employee reviews. It helps their small team stay competitive without hiring more staff.

Grind, a coffee brand, teamed up with Google to integrate AI into its daily operations. The company's CEO says AI tools assist, not replace, the staff by helping with things like writing content, handling customer questions, and tracking performance.

A recent report states that 47.8% of respondents use AI for copywriting. 

Source: The State of AI in Online Marketing Industry

Another example is Colossyan, a company that turns text into training videos using AI avatars. Businesses like Hewlett Packard, BMW, and Novartis use it to create helpful video content faster while still keeping a human feel.

This highlights how AI copywriting tools can improve workflows and support creative teams. The goal isn't to remove people from the process; it's to help them work smarter and get more done.

How Does AI Copywriting Differ from Human Writing?

AI copywriting tools help handle simple writing tasks, but they can't fully replace what human writers do best. Human writers engage readers with their storytelling skills and connect with them emotionally. People bring creativity and a tone that AI can't match.

Right now, the smartest way to use AI is as an assistant. It can save time by writing drafts or doing research while humans review and shape the final message. That mix of AI speed and human insight leads to better, more effective content.

Source: AI vs Human Content

Even the most advanced AI still learns from human-made examples. So, writers will always have a ey role in the process.

How Can AI Copywriting Tools Help Businesses Without Replacing Humans?

Neil Patel defines AI copywriting as using artificial intelligence to write content for websites or marketing efforts. That can include blog posts, social media captions, landing pages, and even sales copy.

These tools scan tons of content online, mix the information, and generate new copy based on prompts. They've become common, and search for tools like ChatGPT, Jasper, and Knolli AI copywriting tools come in.

While it might be easy to copy and paste what these tools give you, it's better to think of them as assistants, not replacements. Here are three ways AI can support your writing and why it still needs your input:

1. Helps With Brainstorming

Coming up with content ideas is often the hardest part. AI tools can offer headline ideas, hook suggestions, and benefit-driven angles to help you get started.

2. Generates Content Lists

AI can easily give you 10 or more social media post ideas. There are many caption generators that already do this and for free.

3. Creates a First Draft

AI tools can write full blog posts, emails, or social captions. But the copy may lack your brand voice, values, and personal expertise. Use it as a rough draft, not the final version.

See more: How to Create Great LinkedIn Posts with AI?

Best AI Copywriting Tools in 2025

1. Knolli - AI Copywriting Tool

Knolli is a AI copywriting tool that helps marketers and creators produce a wide range of content quickly and easily. It includes multiple writing features that support everything from short-form copy to long-form content planning.

Its key features include: 

  • Write all kinds of content: From ads and social posts to blog outlines, SEO descriptions, and even video or podcast scripts.
  • Simple setup: Just pick the type of content you need and choose from ready-to-use templates.
  • Rewrite with ease: Use Knolli as a rephrasing tool and get a cleaner, clearer version in seconds.
  • Helpful for teams: Keeps your content on track and easy to manage, even when you're juggling a lot.

Knolli is especially useful when you need a quick, on-brand copy or want to improve what you've already written.

2. Jasper AI for Copywriting

Jasper is one of the most full-featured premium AI copywriting tools on the market. It runs on GPT-4 and can produce high-quality content across different formats.

Jasper can help create content for:

  • Create outlines for long-form articles
  • Generate captions and posts for Instagram, TikTok, Facebook ads, and even bios
  • Produce meta titles and descriptions to improve search visibility
  • Generate content for landing pages, homepages, and sales pages
  • Feature lists and selling points for online stores
  • Ad headlines and descriptions

3. Hubspot AI Content Writer

HubSpot AI Content Writer is a helpful tool for marketers and copywriters, especially those already using HubSpot. Right now, it's also free to use. The tool is designed to speed up content creation across ads, emails, and social media.

  • For ad copy, it quickly generates multiple headlines and text options. It can be used to generate short, catchy phrases that work well for social ads or PPC campaigns in seconds. But do make the edits so it aligns with the required tone and brand goals.
  • You can use it to write subject lines for email marketing purposes. The tool offers several styles, whether you want something bold, subtle, or benefit-focused. This can be a real time-saver for A/B testing.
  • For social media, it creates platform-specific posts. It adapts the copy to fit the character limits and best practices for each channel to ensure consistent message delivery across different platforms.

4. Craftly

Craftly is an AI copywriting tool built to help creators, marketers, and businesses generate clear, genuine content in minutes. It's designed for ease of use, making it a great pick for solo creators and small teams who want professional copy without the hassle.

Craftly can help you:

  • Create outlines and ideas for blogs, newsletters, and articles
  • Write captions and posts for Instagram, LinkedIn, Twitter, and more
  • Generate email subject lines and campaign copy that gets clicks
  • Craft product descriptions and feature lists for online stores
  • Write landing page content that keeps your brand voice consistent
  • Generate SEO-friendly meta descriptions and titles to boost visibility
  • Build ad headlines and descriptions across social and search platforms

5. Copymatic

Copymatic is especially helpful for copywriters by streamlining the writing process and boosting productivity without sacrificing quality.

Copymatic helps copywriters:

  • Generate content in seconds, allowing copywriters to produce drafts faster and focus more on refining and optimizing the message.
  • Covers a wide range of formats, helping copywriters adapt to different client needs and platforms.
  • Overcome writer’s block and produce fresh ideas for headlines, hooks, and calls-to-action.
  • Create content that’s not only engaging but also ranks better in search engines.
  • Customize content tone and style, making it easier for copywriters to match a brand’s voice across various types of content.

6. Simplified - AI Writer

Simplified – AI Writer is an AI copywriting tool to create, manage, and scale content efficiently. It combines powerful AI writing capabilities with an easy-to-use interface, making it ideal for solo copywriters or teams.

Simplified – AI Writer helps copywriters:

  • Quickly generate blog posts, product descriptions, ad copy, and more—saving hours of manual writing.
  • Produce a wide variety of content types needed by modern copywriters.
  • Adjust tone and style based on client or brand guidelines, ensuring every piece of content aligns with the desired voice.
  • Use design features to create visual content like social posts or marketing materials on the same platform.
  • Utilize pre-built templates to simplify repetitive tasks like writing ad variations, taglines, and product listings.

What Do People Have To Say About AI Copywriting?

1. A Reddit user noted that while AI can speed up writing, it still lacks the human touch needed to create copy that connects with readers.

2. Another Reddit thread discusses growing concerns that AI could normalize machine-written content, making it harder for human copywriters to compete.

Why AI Won't Replace Good Copywriters?

AI has come a long way in writing, but it still can't replace what makes human copywriters valuable: their intuitions, emotions, and creativity.

Here's where people still lead:

  • Emotion That Feels Real: Humans know how to write in a way that actually resonates with the feeling, whether it's humor, trust, urgency, or curiosity. AI can mimic tone, but it doesn't feel anything.
  • Context That Makes Sense: Writers understand the world around them, such as culture, timing, and audience mood. AI doesn't live in our world, so it can miss the deeper meaning behind words.
  • Ideas That Break the Mold: AI follows patterns, and humans break them. Original ideas and bold messaging come from human insight, not machine logic.

AI is great for helping with research, drafting, or speeding up repetitive tasks. A good copy speaks like a person because it's written by one and can relate to your audience like a real person.

AI and Copywriters Are Better Together

AI tools for copywriting are great at speeding things up and helping with the basics, but they'll not replace skilled copywriters. Human writers bring creativity, emotion, and experience that AI just can't match.

AI tools are valuable partners. They can help you brainstorm, draft faster, and stay consistent across content. The key is to use them to support your work, not to replace it.

Knolli is the best AI tool for copywriting if you want to write faster without losing your voice. It lets you build your own AI writing assistant to plan, draft, and improve content. It combines human creativity with AI speed.