Best 91 content detection Tools in 2026

AI Content Detection
Plagiarism Checker
AI Paraphraser
AI Summarizer
AI Grammar Checker
AI Translator
Word Counter
AI Email Helper
Citation Generator
AI Chatbot

PRO 7.99 /month Enjoy a Pro Experience without ads, 100,000 Characters per AI detection, 50 Batch files check for AI detection, Generate PDF report for AI detection, History of all your detections (text not included), 2,000 Prompts in ZeroCHAT-4, 750 Words in Plagiarism Checker One-time-only, 1,500 Words in AI Summarizer, 300 Words in AI Paraphraser, Paraphrase in 2 Modes, 1,000 Words in AI Grammar & Spell Check, 500 Words in AI Translator, Generate Emails & Replies with AI
PLUS 14.99 /month Enjoy a Pro Experience without ads, 100,000 Characters per AI detection, 60 Batch files check for AI detection, Generate PDF report for AI detection, History of all your detections (text not included), 2,000 Prompts in ZeroCHAT-4, 25,000 Words in Plagiarism Checker per month, 1,500 Words in AI Summarizer, 300 Words in AI Paraphraser, Paraphrase in 2 Modes, 1,000 Words in AI Grammar & Spell Check, 500 Words in AI Translator, Generate Emails & Replies with AI
MAX 18.99 /month Enjoy a Pro Experience without ads, 150,000 Characters per AI detection, 75 Batch files check for AI detection, Generate PDF report for AI detection, History of all your detections (text not included), 3,500 Prompts in ZeroCHAT-5, 40,000 Words in Plagiarism Checker per month, 10,000 Words in AI Summarizer, 5,000 Words in AI Paraphraser, Paraphrase in Unlimited Modes, 10,000 Words in AI Grammar & Spell Check, 3,000 Words in AI Translator, Generate Emails & Replies with AI, Access ZeroGPT on Whatsapp and Telegram
Beginner (API) $0.034 /1000 Words (AI Detection) 50,000 Characters per detection, 40 Batch files, 2MB Max file size, History of all your detections (text not included), Unlimited Integrations, Input $0.0035 /1000 Words (Text Transformers), Output $0.008 /1000 Words (Text Transformers), Max 5,000 Words per input (Text Transformers), $0.5 /1000 Words (Plagiarism Checker), ** $0.15 is applied for detection of less than 300 words (Plagiarism Checker)
PRO (API) $0.049 /1000 Words (AI Detection) 150,000 Characters per detection, 75 Batch files, 5MB Max file size, History of all your detections (text not included), Unlimited Integrations, Input $0.0045 /1000 Words (Text Transformers), Output $0.0095 /1000 Words (Text Transformers), Max 10,000 Words per input (Text Transformers), $0.55 /1000 Words (Plagiarism Checker), ** $0.165 is applied for detection of less than 300 words (Plagiarism Checker)
VIP (API) $0.069 /1000 Words (AI Detection) 500,000 Characters per detection, 150 Batch files, 15MB Max file size, History of all your detections (text not included), Unlimited Integrations, Input $0.007 /1000 Words (Text Transformers), Output $0.015 /1000 Words (Text Transformers), Max 20,000 Words per input (Text Transformers), $0.6 /1000 Words (Plagiarism Checker), ** $0.18 is applied for detection of less than 300 words (Plagiarism Checker)

Users can detect AI-generated text by pasting text or uploading files. The tool highlights AI-written sentences and provides an AI percentage. Other tools can be used by pasting text or uploading files into the respective tool interfaces.

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 clip creation with virality score
AI animated captions
AI B-Roll generation
AI Reframe for different aspect ratios
Social media scheduler

Free $0 60 credits per month, up to 1080p rendered clips, auto reframe, AI captions with emoji and keyword highlighter, has watermark, no editing, after 3 days, the clips will no longer be exportable
Starter $15/mo 150 credits per month, AI clipping with Virality Score, AI animated captions in 20+ languages, Auto post to YouTube Shorts, TikTok, IG Reels, or download, Powerful editor, 1 brand template, Filler & silence removal, Remove Watermark
Pro $29/mo ($14.50/mo yearly) 3,600 credits per year, available instantly, Team workspace with 2 seats, 2 brand templates, 6 social account connections, Everything in Starter plan, plus: AI B-roll, Input from 10+ sources, Export to Adobe Premiere Pro & DaVinci Resolve, Multiple aspect ratios (9:16, 1:1, 16:9), Social media scheduler, Intercom chat support, Custom fonts, Speech enhancement
Business Custom Customized credits, team seats and social account connections, Tailored business assets: brand templates, fonts, vocabulary & more, Dedicated storage, API & custom integrations, Master Service Agreement (MSA), Priority support with a dedicated Slack channel, Enterprise-level security

Upload a long video to OpusClip, and the AI will automatically identify key moments and create engaging short clips optimized for various social media platforms. Users can customize these clips further using the built-in editor.

AI-powered watermark removal
Bulk watermark removal
API integration
Support for multiple image formats

WM New 100 Credits Monthly Plan SGD 6.99 100 Credits Monthly Plan
WM 200 credits monthly Plan SGD 9.99 WM 200 credits monthly Plan
WM New 500 Credits Monthly Plan SGD 14.99 WM New 500 Credits Monthly Plan
WM 1000 Credits Monthly Plan SGD 19.99 WM 1000 Credits Monthly Plan
WM 1200 Credits Yearly Plan SGD 3.749167 WM 1200 Credits Yearly Plan
WM New 2400 Credits Yearly Plan SGD 5.832500 WM New 2400 Credits Yearly Plan
WM 6000 Credits Yearly Plan SGD 8.332500 WM 6000 Credits Yearly Plan
WM New 12000 Credits Yearly Plan SGD 11.665833 WM New 12000 Credits Yearly Plan
WM New 50 Credits Addon SGD 7.99 WM New 50 Credits Addon
WM 200 Credits Addon SGD 24.99 WM 200 Credits Addon
WM 500 Credits Addon SGD 54.99 WM 500 Credits Addon
WM 1000 Credits Addon SGD 84.99 WM 1000 Credits Addon

Upload an image to WatermarkRemover.io, and the AI will automatically detect and remove the watermark. Then, download the watermark-free image.

AI content humanization
AI detection bypass
Built-in AI detector
Multi-language support

Free Free 300 words per request, Access to Ninja Model, Can be verified with Most Detectors, Daily Limit (5000 words)
Basic $20/month 400 words per request, Access to Ninja model, Can be verified with All Detectors, Unlimited Ninja words, Access to Ghost model, 20,000 Ghost words, Access to Generator
Standard $35/month 1000 words per request, Access to Ninja model, Can be verified with All Detectors, Unlimited Ninja words, Access to Ghost model, 50,000 Ghost words, Access to Generator, Priority customer support
Premium $50/month 2000 words per request, Access to Ninja model, Can be verified with All Detectors, Unlimited Ghost words, Access to Generator, Priority customer support, Access to Beta Features, Access to private discord channel

To use StealthWriter, paste your AI-generated text into the tool, click the 'Humanize' button, view and modify the new content as needed, and then test the content with the built-in AI detector to ensure it maintains a natural quality.

AI Content Detection
Plagiarism Checker
Writing Assistant
API Integration
LMS Integration
Browser Extension

AI + Plagiarism Detection $13.99 /mo Up to 1,200 Credits (1 credit equals 250 words)
Plagiarism Checker $8.99 /mo Up to 1,200 Credits (1 credit equals 250 words)
AI Detector $7.99 /mo Up to 1,200 Credits (1 credit equals 250 words)
Enterprise & LMS Contact us For a plan tailor-made to fit the needs of your organization

Users can upload documents, paste text, or integrate Copyleaks' API into their existing systems to scan for plagiarism and AI-generated content. The platform provides detailed reports highlighting potential issues and sources of similarity.

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 content detection
Plagiarism checker
AI image detection
Writing feedback
HUMN-1 Website certification

Free $0 2,000 credits / 14 day trial. Includes AI Content detection, AI Image & deepfake detection, Email and Chat support, Scan documents, HUMN-1 website certification / 14 day trial, Scan pictures and handwriting (OCR), Generate shareable PDF reports, Advanced plagiarism detection, Invite team members, Top-up Credits
Essential (Monthly) $12 / month 80,000 credits / month. Includes AI Content detection, AI Image & deepfake detection, Writing Feedback, Email and chat support, Scan documents, Scan pictures and handwriting (OCR), Generate shareable PDF reports, Advanced plagiarism detection, Invite team members, Top-up Credits
Advanced (Monthly) $19 / month 200,000 credits / month. Includes AI content detection, Advanced plagiarism detection, AI Image & deepfake detection, Writing Feedback, Email and chat support, Scan documents, Scan pictures and handwriting (OCR), Generate shareable PDF reports, HUMN-1 website certification, Up to 5 team members, Top-up Credits
Elite (Monthly) $32 / month 500,000 credits / month. Includes AI content detection, Advanced plagiarism detection, AI Image & deepfake detection, Writing Feedback, Email and Chat support, Scan documents, Scan pictures and handwriting (OCR), Generate shareable PDF reports, HUMN-1+ website certification, Unlimited team members, Top-up Credits
Essential (Annual) $18 / month 80,000 credits / month. Includes AI Content detection, AI Image & deepfake detection, Writing Feedback, Email and chat support, Scan documents, Scan pictures and handwriting (OCR), Generate shareable PDF reports, Advanced plagiarism detection, Invite team members, Top-up Credits
Advanced (Annual) $29 / month 200,000 credits / month. Includes AI content detection, Advanced plagiarism detection, AI Image & deepfake detection, Writing Feedback, Email and chat support, Scan documents, Scan pictures and handwriting (OCR), Generate shareable PDF reports, HUMN-1 website certification, Up to 5 team members, Top-up Credits
Elite (Annual) $49 / month 500,000 credits / month. Includes AI content detection, Advanced plagiarism detection, AI Image & deepfake detection, Writing Feedback, Email and Chat support, Scan documents, Scan pictures and handwriting (OCR), Generate shareable PDF reports, HUMN-1+ website certification, Unlimited team members, Top-up Credits

To use Winston AI, create a free account, enter the text you want to check (either by pasting or uploading a document), and the AI detector will provide a percentage indicating the likelihood of the text being generated by a human or AI. You can also activate the plagiarism checker to scan for plagiarized content.

AI Text Humanizer
Article Generator
Plagiarism Checker
Readability Improver
SEO Optimization Tools
Brand Voice Customization
Multilingual Support

Grow $1.00 then $15/month 500 credits (50000 AI words), Humanize AI Content (All Modes), One-Click Blog Creation, 10 Topical Authority, Brand Voice Customization, Set personalized Goals, Paraphraser And Readability Booster, Multilingual Support
Scale $1.00 then $29/month Unlimited Credits, Unlimited Humanize AI Content, GPT-4, Anthropic & More, Unlimited One-Click Blog Creation, Unlimited Outrank Article, Unlimited Topical Authority, Unlimited Brand Voices, Unlimited Undetectable Paraphraser, Readability Booster, Generation in 26 Languages, 1 User Seat
Team $1.00 then $79/month Unlimited credits, Unlimited Humanize AI Content, GPT-4, Anthropic & More, Unlimited One-Click Blog Creation, Unlimited Outrank Article, Unlimited Topical Authority, Unlimited Brand Voices, Unlimited Undetectable Paraphraser, Readability Booster, Generation in 26 Languages, 4 User Seats

AISEO provides tools accessible through its website. Users can paste AI-generated text, select humanization modes, specify content goals, and generate SEO-optimized, human-like content. It also offers tools for article generation, plagiarism checking, and more.

Article Writer
Perfect Paraphrasing
Boosting Readability
Humanize AI
Keyword Research
SEO Optimization
Rank Tracking
Blog Image Generator
AI Chatbot
Outrank Article

Grow $1.00 1 day free trial then only $15/month billed annually. 500 credits (50000 AI words), Humanize AI Content (All Modes), One-Click Blog Creation, 10 Topical Authority, Brand Voice Customization, Set personalized Goals, Paraphraser And Readability Booster, Multilingual Support
Scale $1.00 1 day free trial then only $29/month billed annually. Unlimited Credits, Unlimited Humanize AI Content, GPT-4, Anthropic & More, Unlimited One-Click Blog Creation, Unlimited Outrank Article, Unlimited Topical Authority, Unlimited Brand Voices, Unlimited Undetectable Paraphraser, Readability Booster, Generation in 26 Languages, 1 User Seat
Team $1.00 3 days free trial then only $79/month billed annually. Unlimited credits, Unlimited Humanize AI Content, GPT-4, Anthropic & More, Unlimited One-Click Blog Creation, Unlimited Outrank Article, Unlimited Topical Authority, Unlimited Brand Voices, Unlimited Undetectable Paraphraser, Readability Booster, Generation in 26 Languages, 4 User Seats

Users can input their ideas or existing text into AISEO, and the platform will generate SEO-optimized content, paraphrase text, improve readability, or humanize AI-generated text. It also allows keyword research, content optimization, and rank tracking.