Tools

Most AI detector tools want your email address before they let you check a single sentence. Here are 5 that don’t — completely free, no account required. 1. ZeroGPT — Best Overall Free Option URL: zerogpt.com Limit: 15,000 characters per check, unlimited uses Sign-up required: No ZeroGPT is the most generous free AI detector available. Paste up to 15,000 characters — roughly a 3,000-word article — and get results instantly. ...

If you need to know whether a piece of text was written by AI, you’re not alone. Teachers, editors, hiring managers, and content teams are all asking the same question in 2026. We tested 7 of the most popular AI detector tools using the same set of texts — some human-written, some from ChatGPT, some from Claude — and ranked them on accuracy, speed, and ease of use. Here’s what we found. ...