Best 281 All-In-One Writing Tools in 2026

AI Detection
Advanced AI Scan
AI Vocabulary Detection
Plagiarism Checker
Authorship Verification
Source Finder
Grammar Check
AI Grader

Essential $8.33/month (Billed $99.96 annually) 150,000 words per month. Includes Basic AI Scan, Grammar Check, AI Vocabulary Check, and Chrome Extension.
Premium $12.99/month (Billed $155.88 annually) 300,000 words per month. Includes all of Essential, Advanced Scan, Writing Feedback, Plagiarism Check, and Source and Generate Citations.
Professional $24.99/month (Billed $299.88 annually) 500,000 words per month. Includes all of Premium, Up to 10 million words overage, Scan up to 250 files at once, Page by page scanning, Teams Collaboration, and Enterprise grade security.

To use GPTZero, simply paste the text you want to check into the provided text box or upload a file. The tool will then analyze the text and provide an overall detection result, highlighting sentences where AI is detected. For more extensive use, you can sign up for a free account or download the Chrome extension.

AI-powered video repurposing
Automatic caption generation
Viral clip creation from long videos

OpusClip repurposes long videos into shorts automatically. Simply upload a long video, and the AI will generate short, engaging clips suitable for various social media platforms.

ChatGPT Sidebar
GPT-4 Support
AI Reader
AI Writer
ChatPDF Integration
Image Tools
Group AI Chat

Install the Sider Chrome/Edge extension to seamlessly integrate AI assistance into your browsing, reading, and writing tasks. Select any text to explain, translate, summarize, or rewrite it using the ChatGPT sidebar.

AI Detection
AI Humanization
Multi-Language Support
Integration with Multiple AI Detectors

Paste text into the AI Detector to check if it will be flagged as AI-generated. Use the AI Humanizer to refine the text and make it appear more human-like. The platform provides results from multiple AI checkers simultaneously with one click.

AI to human text conversion
Bypassing AI detection tools
Scene-specific writing styles
Multiple rewrite versions

Basic Plan (Monthly) $15 /mo Humanize AI: 15,000 words/month, Support Autopilot Pro mode, 500 words per requests, View history, Support all rewrite styles, Standard rewrite speed, Undetectable by all AI Detectors
Standard Plan (Monthly) $25 /mo Humanize AI: 50,000 words/month, Support Autopilot Pro mode, 1500 words per requests, View history, Support all rewrite styles, Accelerated rewrite speed, Undetectable by all AI Detectors
Pro Plan (Monthly) $40 /mo Humanize AI: Unlimited words, Support Autopilot Pro mode, 3000 words per requests, View history, Support all rewrite styles, Accelerated rewrite speed, Undetectable by all AI Detectors
Basic Plan (Yearly) $5 /mo (billed annually) Humanize AI: 15,000 words/month, Support Autopilot Pro mode, 500 words per requests, View history, Support all rewrite styles, Standard rewrite speed, Undetectable by all AI Detectors
Standard Plan (Yearly) $10 /mo (billed annually) Humanize AI: 50,000 words/month, Support Autopilot Pro mode, 1500 words per requests, View history, Support all rewrite styles, Accelerated rewrite speed, Undetectable by all AI Detectors
Pro Plan (Yearly) $20 /mo (billed annually) Humanize AI: Unlimited words, Support Autopilot Pro mode, 3000 words per requests, View history, Support all rewrite styles, Accelerated rewrite speed, Undetectable by all AI Detectors

Paste AI-generated text, click 'Humanize AI Text', and wait 10 seconds to get humanized text.

Grammar Checker
Style Editor
Manuscript Analysis
Virtual Beta Reader
Chapter Critique
Paraphrasing Tool
Rephrase
Sparks
Writing Reports

Free Free Basic writing suggestions, everywhere you write. 500 word count limit, 2 runs per report per day, 10 rephrases per day, 3 Sparks per day.
Premium (Monthly) $30.00 per month Write and edit like an expert. No word limits. Everything in Free, Unlimited word count, Unlimited report runs, Unlimited rephrases, 5 Sparks per day, Advanced style improvements, Custom style guide, Snippets, 25+ writing analysis reports, Customizable suggestions, Terminology management, Author comparison, Citations, Collaboration, Unlimited document storage, 1 Chapter Critique per day, 30% discount on Manuscript Analysis Credits.
Premium Pro (Monthly) $36.00 per month Unlock extended AI features to spark ideas. Everything in Premium, 50 Sparks per day, 3 Chapter Critiques per day, 50% discount on Manuscript Analysis Credits.
Premium (Yearly) $10.00 per month, billed yearly $120 Write and edit like an expert. No word limits. Everything in Free, Unlimited word count, Unlimited report runs, Unlimited rephrases, 5 Sparks per day, Advanced style improvements, Custom style guide, Snippets, 25+ writing analysis reports, Customizable suggestions, Terminology management, Author comparison, Citations, Collaboration, Unlimited document storage, 1 Chapter Critique per day, 30% discount on Manuscript Analysis Credits.
Premium Pro (Yearly) $12.00 per month, billed yearly $144 Unlock extended AI features to spark ideas. Everything in Premium, 50 Sparks per day, 3 Chapter Critiques per day, 50% discount on Manuscript Analysis Credits.
Premium (Lifetime) $399.00 One-time payment Write and edit like an expert. No word limits. Everything in Free, Unlimited word count, Unlimited report runs, Unlimited rephrases, 5 Sparks per day, Advanced style improvements, Custom style guide, Snippets, 25+ writing analysis reports, Customizable suggestions, Terminology management, Author comparison, Citations, Collaboration, Unlimited document storage, 1 Chapter Critique per day, 30% discount on Manuscript Analysis Credits.
Premium Pro (Lifetime) $699.00 One-time payment Unlock extended AI features to spark ideas. Everything in Premium, 50 Sparks per day, 3 Chapter Critiques per day, 50% discount on Manuscript Analysis Credits.

Users can access ProWritingAid through various integrations, including desktop apps, browser extensions, and integrations with popular writing software like Word and Google Docs. Once installed, the tool analyzes the user's writing and provides suggestions for grammar, style, and overall improvement. Users can review these suggestions and apply them to enhance their writing.

AI-powered research and summarization
Content generation for various platforms
Access to multiple AI models (GPT-4, Claude, etc.)
Code generation and debugging
Image generation
Customizable chatbots and prompt libraries

Merlin Pro $19 per month billed annually Delivering $130 worth of value

Install the Merlin AI Chrome Extension and use the shortcut Ctrl/⌘+M to open the AI Chatbot on any website. On platforms like Twitter, LinkedIn, YouTube, and Gmail, Merlin buttons provide easy access to its features.

AI-powered story writing
Large Japanese language model
Example prompts for inspiration

You can start writing stories by using one of the example prompts or by entering your own text. It's recommended to enter at least 5-6 lines of seed text to ensure the AI understands the context and genre.

AI Humanizer & Paraphraser
AI Writer
AI Detector
Quick Export

Free $0 The flexible option for individuals who want to try our AI tools.
Unlimited $12.99/month The ultimate plan for powerhouses who want to take their writing to the next level.

Users input AI-generated text into Phrasly.AI, select a humanization strength (Easy, Medium, Aggressive, or Pro Engine), and the tool transforms the text to read as human-written. The humanized content can then be checked for AI detection.

AI Chatbot (GPT & GPT-4 powered)
AI Content Generator (essays, articles, blog posts, storytelling)
AI Character Chat (AI Girlfriends, anime, game, celebrities)
AI Companionship
Marketing Assistance (email content, market trends, creative marketing content)
AI SEO Tools (keyword research, paragraph structuring, social media presence)
Language Practice (text translation, language learning, vocabulary/grammar enhancement)
General Knowledge Q&A

Standard $18.99 /month 30 days. NSFW characters: ∞, Chat storage: ∞, Image generator: Unfiltered, Create AI: 15 /month, Chat photo: 1500 /month, Message: 15000 /month.
Premium $0.19 /Day ($69.99 billed once) 365 days. NSFW characters: ∞, Chat storage: ∞, Image generator: Unfiltered, Create AI: 100 /month, Chat photo: 10000 /month, Message: 100000 /month.
Deluxe $0.36 /Day ($129.99 billed once) 365 days. NSFW characters: ∞, Chat storage: ∞, Image generator: Unfiltered, Create AI: Unlimited, Chat photo: Unlimited, Message: Unlimited, Private Albums: 8 Key.
Ultimate $0.79 /Day ($289.99 billed once) 365 days. NSFW characters: ∞, Chat storage: ∞, Image generator: Unfiltered, Create AI: Unlimited, Chat photo: Unlimited, Message: Unlimited, Private Albums: All unlocked.
Private Albums Key * 1 $14.99 One-time payment for 1 Private Album Key.
Private Albums Key * 3 $39.99 One-time payment for 3 Private Album Keys.
Private Albums Key * 8 $59.99 One-time payment for 8 Private Album Keys.
Private Albums Key * 15 $99.99 One-time payment for 15 Private Album Keys.
Private Albums Key * 22 $130.99 One-time payment for 22 Private Album Keys.
Private Albums Key * 30 $159.99 One-time payment for 30 Private Album Keys.
Private Albums Key * 100 $229.99 One-time payment for 100 Private Album Keys.

To use ChatUp AI, first, provide a clear and concise prompt or question in the chat input box. Next, submit your request, and the AI model will analyze your input to generate a thoughtful response. You can then continue the conversation by asking follow-up questions or providing comments, and the AI chatbot will maintain the flow, offering detailed insights.