Paste a Facebook profile link or numeric ID. Facebook numbers its accounts in order, so the ID says roughly when an account was made. The checker places it among ID ranges with known dates and gives you a likely month and a range. It runs in your browser and fetches nothing.
Every Facebook account gets a number when it is made, and the numbers go up over time. Mark Zuckerberg's account is number 4. Someone who joined in 2012 has a number that starts with 100004. Someone who joined last year has one that starts with 615.
The checker reads the number out of the link, finds the two nearest IDs whose dates are known and reads the date off the line between them. Facebook never handed out numbers in a perfectly straight line, so the answer comes as a likely month plus a range. The range is narrow for 2009 to 2012 and wider for the years after.
The three kinds of Facebook ID
9 or 10 digits: accounts from 2004 to 2009. The very lowest numbers belong to the first college networks, where the number shows the school rather than the date.
15 digits starting with 1000: accounts made between December 2009 and mid 2023. Most accounts you meet have one of these.
14 digits starting with 615: accounts made since about mid 2023.
A number that fits none of these, such as a short number above two billion or a very long one, usually belongs to a Page, a group, a post or a photo. Those are numbered differently and cannot be dated here.
Check the estimate against what Facebook shows
Facebook does not show a creation date on the profile itself, but a few places come close. Use them together with the estimate:
Open their Marketplace profile with the link above. Facebook prints the year they joined there.
Open their Photos and the Profile pictures album, then scroll to the oldest one. It is often from the first weeks of the account.
Use the year filter on their posts, if you can see posts, and look for the earliest year with anything in it.
Compare. An ID from 2011 with nothing posted before last spring points to an old account that was emptied, or taken over.
Spotting a new or fake account
Most people check an account's age because something feels off: a stranger with a friend request, a seller with a great price, an old friend writing from a second account. A very new ID is not proof of anything, but together with the signs below it is worth a pause.
Look at the profile picture too. A reverse image search shows whether the same photo appears under another name somewhere else, which is the most common sign of a fake profile.
The account is weeks or months old but claims years of history.
Few friends, no mutual friends and almost nothing public.
The profile picture turns up elsewhere under another name.
They ask to move the chat to another app, or for money, codes or a deposit.
Common questions
How can I see when a Facebook account was created?
Facebook does not print a creation date on the profile. Paste the profile link or numeric ID above and you get an estimate from the ID, with a range. To confirm the year, open their Marketplace profile, which says the year they joined Facebook.
How accurate is the estimate?
For accounts made between 2009 and 2012 it is usually right within a few months. For later years the range is wider, about a year, because Facebook handed out numbers less evenly. Read it as a good guess, and use the Marketplace join year to confirm.
Why does a Facebook ID start with 615?
Since about mid 2023, new Facebook accounts get a 14 digit ID that starts with 615. Older accounts keep their old number. So an ID that starts with 615 means the account is from mid 2023 or later.
Does the ID change if someone renames their profile?
No. The numeric ID stays the same for the life of the account, whatever name or username it uses. That also means an old ID does not prove the account still belongs to the same person: a sold or hacked account keeps its number.
Can I check when a Facebook Page or group was created?
Not with this checker. Pages and groups are numbered differently. Many Pages also got a new profile ID when Facebook moved them to the new Pages experience, so the number would show the move, not the start. A Page's Page transparency section shows its creation date instead.
Does the person know I checked their account age?
No. The estimate is worked out in your browser from the number in the link. Nothing is sent to Facebook or to the person.
