Free AI detector. No caps, no account, no catch.
Paste any text and see how it scores against a production-grade AI detector, right now, free. No ads, and your text is deleted after every check, never stored, even on the free tier. If something flags and it matters, one click humanizes it.
Free AI detection · no signup · humanizing plans from $4.99/mo
- Unlimited free checks, forever
- No signup, no ads, no daily cap
- Text deleted after every check, never stored
Is there a truly free AI detector?
Yes. This one runs unlimited free checks on text up to 50,000 characters with no account, because we operate the detector ourselves instead of renting one per call. Most "free" AI checkers cap scans or words to control their API costs; a detector you own is the only version of free that doesn't expire.
No Ads, No Storage: Free That Respects Your Text
Two things you won't find here: ads, and a database holding what you pasted. Every detection request is processed to produce your score and then deleted. Not archived, not mined for training, not attached to a profile, and that applies to the free anonymous tier, not just paid accounts. Free checks don't even require an account, so there's nothing to attach your text to in the first place.
If you're checking sensitive material (an unpublished manuscript, a client deliverable, a legal draft, your own essay), that difference matters more than any feature. Ad-supported checkers monetize attention around your text; we'd rather the free tool be the reason you trust the paid one. The details live in our privacy policy, in plain language.
Why This AI Checker Stays Free
Every AI checker you've seen with a five-scan limit has the same problem: it pays a detection vendor per check, so your curiosity is their cost. We built the detector we run, which flips the economics. A check costs us almost nothing to serve, so there's no reason to meter yours.
So the free tier is the real product, not a teaser. Unlimited scans. Whole-document checks up to 50,000 characters. No email wall. The paid product is different work entirely: humanizing flagged text so it reads like a person wrote it, from $4.99 a month.
Check Your Text for AI in Three Steps
- 1
Paste and check
Drop in anything: an essay, an article, an email, a report. The detector reads the whole document's statistics (rhythm, predictability, structure) and returns a score in seconds.
- 2
Read the verdict honestly
A clean score means your text reads human to a production detector. A flag means the statistics look machine-written, which matters for some contexts and not others. You decide; you have unlimited re-checks either way.
- 3
Fix what needs fixing
If a flagged draft has to pass, click Humanize. The rewrite fixes rhythm and word choice while keeping your facts and frozen terms, and you re-check the result free. Plans from $4.99/month, cancel anytime.
Who Uses a Free AI Detector
- Students checking their own original essays for false-positive risk before submission, since detectors flag some human writing.
- Writers and marketers verifying AI-assisted drafts read human before publishing under their name.
- Editors and teachers who want a second opinion on a suspicious text without buying a subscription to get it.
- Anyone comparing humanizers, including against ours: run any tool's output through this detector and see what actually changed. We wrote up why most AI humanizers don't work if you want the technical background.
Free AI Detector FAQ
Is this AI detector really free?
Yes. Unlimited checks, no signup, no credit card, no daily cap, from 250 up to 50,000 characters per check. The 250-character minimum is the detector's own floor: below that there isn't enough text to score reliably, and we'd rather say so than show you a guess. Standard anti-abuse rate limits apply, but honest use never hits them. A check costs us almost nothing to serve, so there's no reason to meter yours.
How accurate is the AI detector?
It's a production-grade detector, and like every detector it's probabilistic: it estimates how machine-like your text's statistics are. It flags some human writing (non-native English speakers get flagged more often across all detectors) and misses some AI writing. Treat the score as strong evidence, not proof.
What should I do if my text gets flagged as AI?
First decide if it matters for your context. If it does, rewrite the flagged sections yourself or click Humanize to have them rewritten faithfully, then re-check free. The humanizer keeps your facts and frozen terms; plans start at $4.99 a month.
How is this different from other free AI checkers?
Most free checkers meter you: a few scans a day, word caps, or an account wall. Ours is unlimited and anonymous. And when text flags, the fix is one click away in the same tool instead of a copy-paste trip to another site.
Can I check my own writing before submitting it?
That's one of the most common uses. Students and writers check original work to catch false-positive risk before a teacher, client, or editor runs their own scan. Unlimited free checks mean you can test every revision, not just the final draft.
Do you store or train on the text I check?
No. Text submitted for detection is processed to produce the score and then deleted. It isn't stored, logged for reuse, sold, or used to train models, on free or paid checks alike. Free checks also run without an account, so there's no profile to attach anything to. And there are no ads on the page monetizing your visit.
Check your first text now
Scroll up, paste, done. Free forever. And when a draft has to read human, the humanizer is one click and $4.99 away.