Scan Text Against 12+ AI Detectors in Seconds
Why check one detector when you can check twelve? SupWriter's Chrome extension scans your text against Turnitin, GPTZero, Originality.ai, and 9 more platforms simultaneously — showing your Human Score before you publish or submit.
Get Free AI DetectorIncludes AI humanizer + AI detector in one extension

Every Major AI Detector, One Click
Checking each detector manually would take 30+ minutes and cost $50+ per month. SupWriter runs all checks simultaneously for free.
The Detect, Humanize, Verify Workflow
A complete AI content quality pipeline — all inside one extension
Detect
Paste your text and run it against 12+ AI detectors. In seconds, you'll see which detectors flag your content and your overall Human Score percentage.
Humanize
If detectors flag your text, switch to the Humanize tab. Select your language and tone, then transform the flagged content into natural human writing with one click.
Verify
Switch back to Detect AI and re-scan the humanized text. Confirm a 100% Human Score across all detectors before submitting or publishing. Done.
Human Score Percentage
A single number that tells you how human your text appears. Based on aggregated results across all 12+ detectors, not just one.
Per-Detector Breakdown
See pass/fail results for each individual detector. Know exactly which platforms flag your text and which ones give it a pass.
Results in Under 10 Seconds
What would take 30+ minutes checking manually happens in seconds. Paste text, click detect, and get comprehensive results instantly.
Zero Data Retention
Your text is analyzed in real-time and immediately discarded. Nothing is saved, logged, or used for training. Complete privacy guaranteed.
Reviews
What our users say
Thousands of writers trust SupWriter every day
I've been using SupWriter for weeks, and it's become essential to my academic writing and research workflow. As a Ph.D. student in environmental law, I'm constantly drafting, refining, and translating complex texts, and SupWriter makes the whole process far more efficient and less stressful.
It's so great and I love this app. Everyone should use it. It helped me pass my essay!
I really like this app. It rephrases my text so well that Turnitin doesn't pick it up. Pretty amazing.
What impressed me most is how seamlessly SupWriter polishes my drafts. My clients noticed the difference in quality and tone immediately.
Absolutely wonderful. The best AI humanizer I've used, especially for scientific writing.
This tool lets me do so many things faster, and its features are genuinely useful.
Really good. I didn't expect it to be this great. It genuinely enhanced my writing. Give it a try.
This product is so good. I'll choose it over and over again. It has my heart. ❤️
The Fix Selection feature is a game changer. I can select any text and improve it, fix the grammar, or make it shorter, and my content workflow has never been faster.
Excellent service, really helpful for job applications, and it even has an AI detector. I'd highly recommend it to students, professors, and writers. An amazing writing tool.
It was amazing. I upgraded, and since then my work has consistently scored high marks.
The best humanizer ever.
It was great, especially in a foreign language. It helped the adjectives come out smoother than I expected!
I'm on the Ultra Monthly plan and bought $20 in extra credits. This platform is super good, and I'm planning to switch to the Yearly plan soon.
Precisely written and a very nice app. I recommend everyone give it a try.
I was amazed to see the AI-flagged text identified so accurately. It really helps crack down on AI interventions.
My professor commended the uniqueness of my essay after I used SupWriter to make it sound natural. Strongly recommended for students!
The website is fantastic. It's clean, modern, and visually appealing. Navigation is intuitive, pages load fast, and everything works well on desktop and mobile. A smooth, enjoyable experience. I'm really impressed!
Really, the only one that passed the YouScan detector.
It's been a great tool to use, and very helpful.
My experience with the AI detector was great. The interface is simple and easy to navigate, and results came back quickly with useful detail.
This experience has been amazing, and the service is extremely helpful.
My experience was amazing. SupWriter is very easy to use, and it actually works!
Impressed by the quality, and cheaper than other platforms.
SupWriter is great. It helps me become a better writer and a better student overall.
FAQ
