Free French AI detector & checker

Reads the space before a question mark, not just the words.

Check French text for the patterns typical of AI writing: guillemet spacing, apostrophe style and connector overuse, each signal explained plainly.

free checks every 24 hours: 5
reported, not proof: Signals
guaranteed detector-beating result: No

French AI detector

What the French AI detector does

Paste a passage of French text and this French AI detector checks it for the patterns typical of AI-generated French writing: guillemet spacing, apostrophe style, punctuation spacing before ; : ! ?, and the handful of connectors a model reaches for far more often than a person does. It returns a labelled list of what it found, not a single unexplained number.

It is a server tool. Your text is sent to our AI server to be scored, and you get 5 free checks in any rolling 24 hours. No account, and nothing you paste is needed again once the result is back.

French writing patterns

How AI-written French text actually differs

French typography carries its own rules, and how closely a text follows or ignores them is informative on both sides. None of these prove anything alone; the check reads for how many appear together.

Missing narrow space in guillemets: Correct French typesetting is « texte » with a narrow no-break space (U+202F) after « and before ». Straight quotes, or guillemets glued tight to the text, both stand out.
No space before ; : ! ?: French convention places a space before these marks: « Bonjour ! Comment allez-vous ? ». Text that punctuates the English way, with no space, reads as typed or generated without French rules applied.
Straight apostrophe throughout: Correct elision uses U+2019, l’ami, aujourd’hui, not the ASCII apostrophe '. A document that is perfectly consistent one way or the other, never a mix, is itself worth noticing.
Overuse of en effet and par ailleurs: Both are real, correct connectors. Stacked once per paragraph as a default way to open a new point, they read as filler rather than argument.
Formal connectors doing the work of thought: De plus, par conséquent, en outre, arriving in sequence rather than because the logic actually calls for them.

How it works

How to check French text for AI writing in three steps

Nothing to configure first, no file to prepare.

Step 1: Paste the French text you want checked. A paragraph gives the check enough to work with.
Step 2: Press Check text. It goes to our AI server once, gets scored, and the flagged patterns return to the page.
Step 3: Read each signal and the reason behind it, then judge for yourself. The detector explains; it does not rule.

Straight answer

Can you tell which AI wrote French text?

Not with certainty. Most models default to the same tidy, connector-heavy French regardless of which one wrote it, often skipping the narrow-space rules a French typesetting program would apply automatically, so these signals point at machine-written French broadly rather than at any one model.

A prompt asking for Québécois phrasing, or for a specific register, changes the output enough to blur most of this. Treat a match as a lead worth a closer look, never as a finding on its own.

Why flags happen

Why French writers get flagged by mistake

French has solid training data overall, but formal and administrative French sits unusually close to what this check is built to notice, and it is worth saying so rather than pretending the tells are neutral.

Administrative French: Il convient de noter que, il est à noter que: the style administratif already leans on the same hedges and connectors for reasons that predate AI by a century.
Machine-translated French: Text translated from English by DeepL or a similar tool tends to come out grammatically correct but stiff, missing the narrow-space typography a native French document would carry.
Careful non-native learners: En effet, par ailleurs and de plus are exactly what French courses teach as connective structure, so a learner following the lesson closely writes the same shape a model defaults to.

If you're flagged

What to do if your French writing is wrongly flagged

A flag is a signal, not a verdict, and copy-paste between systems routinely strips the very typography this check looks for.

Keep your drafts: Earlier versions are the plainest evidence a piece grew rather than appeared whole.
Check where the apostrophes came from: Many editors silently convert U+2019 to a straight apostrophe on paste, which can flatten a genuine signal into a false one.
Ask what was actually flagged: A named signal, a connector or a spacing pattern, can be discussed. A bare score cannot.

Who uses it

Who uses the French AI detector, and how many free checks you get

Editors screening French submissions, teachers giving a second opinion on unusually polished essays, and writers checking their own drafts before sending them anywhere.

You get 5 free checks in any rolling 24 hours, no account needed. The window rolls forward rather than resetting at a fixed hour, so five is usually enough for one submission, one email or one flagged paragraph at a time.

FAQ

Questions about the French AI detector

Everything below is answered in full, nothing to click open.

How do I check French text for AI writing?

Paste it in and press Check text. The detector reports the writing patterns it found, each explained, rather than a single yes-or-no answer.

Is the French AI detector free?

Yes. You get 5 free checks in any rolling 24 hours, no account and no payment.

How many free checks do I get?

Five, in any rolling 24-hour window. The count resets on a rolling clock, not at a fixed time each day.

Is my text uploaded anywhere?

It is sent to our AI server to be scored, and that is the only use it gets. Nothing is published or needed again after the result returns.

Does it check Québécois, Belgian and African French, or only France French?

All of them are read. Regional register is part of what the detector weighs rather than something it filters out.

Is it accurate?

It reports signals and patterns, never proof, and no accuracy figure is claimed or invented.

Can it prove a text was written by AI?

No detector can. This one points at patterns typical of machine-written French; it cannot establish authorship by itself.

Will this help my text get past an AI checker?

No, and it isn't built for that. It exists to show you the signals, not to help anyone avoid them.

Does it tell me which AI model wrote something?

No. It flags patterns typical of machine-written French in general, since most models share the same default register.

Why did my own formal writing get flagged?

Administrative French already leans on hedges like il convient de noter que for reasons that predate AI, and reads close to what the check is tuned to notice.

Does it flag machine-translated French?

Often, yes. French translated from English tends to be grammatically correct but stiff, missing the narrow-space typography native writing usually carries.

Does guillemet spacing actually matter?

Yes, it's one signal among several. A missing narrow space before » or after «, or straight quotes used instead, is a small but real tell.

Does the apostrophe style affect the result?

It contributes. A document that is perfectly consistent with either U+2019 or a straight apostrophe, never a mix, stands out slightly.

What's the difference between this and the general AI detector on this site?

This one is tuned to French-specific signals: guillemets, spacing and connector overuse. The general detector reads English phrasing patterns instead.

Is there a batch mode or an API?

Not yet. One check at a time, up to 5 in any rolling 24 hours.

Does text length affect the result?

Yes. A short snippet gives the check little to work with; a longer sample produces a steadier read.

What should I do if I'm wrongly accused?

Keep your drafts and any version history, and check whether your editor silently changed your apostrophes on paste. A named signal can be discussed; a bare accusation cannot.

Does it work on phones?

Yes. The page and the result both work in a phone browser, no app required.

Check a piece of French text in about ten seconds.

Paste it in, run the check, read the signals. 5 free checks every 24 hours, no account required.

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