Free AI Tools
637 AI tools you can use for free, organized by use case and labeled fully free or free plan.
14 free tools
Clear filtersAI writing assistant for grammar, spelling, tone, and clarity checking.
Free planAI content detector and ChatGPT checker with high accuracy for identifying AI-generated text across multiple LLM models.
Free planAI detector with sentence-level analysis that identifies content from ChatGPT, GPT-5, and Gemini.
Free plan
HumanizeAI.pro7.2M monthly visitsAI humanizer and free AI detector in one place
Free planRated #1 AI detector by Forbes — check and humanize AI text from ChatGPT, GPT-5, Gemini
Free planFree unlimited Turnitin AI detector preview that highlights AI-written passages in pasted text with no signup.
Fully free100% free unlimited AI content detector with 99.1% accuracy — no word limits
Free planFree AI content detector and humanizer that flags ChatGPT, Claude, Gemini output and rewrites AI text to read naturally.
Fully free
GPTinf391.9K monthly visitsDeadline Hitting? GPTinf Is Your Sword.
Fully freeFree AI text humanizer that rewrites ChatGPT-style output into natural, undetectable human writing without requiring login.
Fully freeGet your essay graded before admissions reads it
Fully free
Whisper AI0 monthly visitsSpeech to text you can use on any site.
Fully free
AI Quality HQaiqualityhq.comCheck and improve your AI prompt quality in seconds.
Fully free
AI Tools Listaitoolslist.toolsExplore a curated directory of the best AI tools and SaaS solutions, including AI image generators, chatbots, and writin
Fully freeFAQ
Every tool here can be used without paying. Tools marked “Fully free” have no paid plan; tools with a free plan let you start for free and pay only for more usage or features.
“Fully free” means every feature is free. “Free plan” means there is a free tier with limits and a paid upgrade; the card shows the cheapest monthly upgrade when the tool publishes one.
Common limits are a daily or monthly usage quota, lower output quality or resolution, watermarks, and fewer advanced features. Check each tool’s pricing page for the exact terms.
Yes. Open-source tools publish their code, so you can run them on your own machine or server, usually at no cost beyond your own hardware.