Verifying against the live site and live WHOIS/DNS…
Common questions
Is pdf24.org legit or a scam?
pdf24.org was registered Oct 10, 2005 (21 years old), per public registration records. AboutUs doesn't label sites "legit" or "a scam": this page lists the dated registration, DNS, HTTPS, mail-authentication and safety checks we could verify, each with its source, so you can decide for yourself.
Who owns pdf24.org?
Nobody has completed AboutUs's owner verification for pdf24.org. That's true of most sites here — it isn't itself a warning sign.
When was pdf24.org registered?
pdf24.org's registration dates to Oct 10, 2005 (21 years old), per public registration records. OpusDNS GmbH is the registrar on record today.
Correct a description, link or other detail. Submissions are reviewed before publication.
Registered 2005 · site is live · HTTPS valid
Pdf24.org Offers free converter for PDF files & pluggins.
Pdf24.org provides free online tools to convert documents into PDF files and create PDFs. The service is based in Berlin, Germany and operates as a web-based converter accessible without requiring software installation.
Checked in the last 30 daysOlder, dated recordFrom registration records
Registered 21 years ago · on AboutUs since 2007 · 3 registrar changes since Aug 27, 2012 · no registrant change on record since 2012 · last checked Nov 1, 2026.
Registration
RegisteredOct 10, 2005pdf24.org was registered on Oct 10, 2005.Source: RDAP, fetched Oct 25, 2026
AboutUs record
AboutUs wiki pageAboutUs wiki pageJun 6, 2007 – Nov 8, 2013An AboutUs wiki page described pdf24.org from Jun 6, 2007 to Nov 8, 2013 (2 edits).Source: AboutUs wiki archive, 2006–2023Said about itself in 2007
Registrar
PSI-USA, Inc. dba Domain Robot (R68-LROR)Aug 27, 2012 – Feb 13, 2014Registrar PSI-USA, Inc. dba Domain Robot (R68-LROR) in the WHOIS and RDAP records held for pdf24.org, from Aug 27, 2012 to Feb 13, 2014.Source: WHOIS / RDAP archive (who.is)PSI-USA, Inc. dba Domain Robot
Registrant
Registrant recordsAug 27, 2012 – Jun 24, 2026Registration records for pdf24.org are held from Aug 27, 2012 to Jun 24, 2026 (210 records). None shows a change of registrant. Privacy-service and redaction changes, renames of the same organization and new contacts at it are not counted.Source: WHOIS / RDAP archive (who.is); counted by registrant name and organization only
No registrant changes recorded, 2012–2026
Zone file
Nameservers: nameserverservice.deNameservers: nameserverservice.deAug 27, 2012 – Feb 25, 2024Registration records listed nameserverservice.de nameservers (ns5.nameserverservice.de, ns6.nameserverservice.de) for pdf24.org from Aug 27, 2012 to Feb 25, 2024.Source: From registration records (WHOIS / RDAP archive, who.is)
Certificate
Let's EncryptApr 2, 2026 – Nov 3, 2026 (latest)Let's Encrypt issued 14 certificates for pdf24.org from Apr 2, 2026, the latest valid until Jan 6, 2027. Seen in use on Sep 28, 2026.Source: Certificate Transparency logs (AboutUs's own certificate-log reader); TLS check, Sep 28, 2026
2010201520202025Apr ’26← last 12 months, drawn wider
Every dated fact on this lifeline (16)
Oct 10, 2005Registration: pdf24.org was registered on Oct 10, 2005.Source: RDAP, fetched Oct 25, 2026
Jun 6, 2007 – Nov 8, 2013AboutUs record: An AboutUs wiki page described pdf24.org from Jun 6, 2007 to Nov 8, 2013 (2 edits).Source: AboutUs wiki archive, 2006–2023
Jul 1, 2007AboutUs record: “You did it! Your document will be now converted into a pdf-file and sent to the specified e-mail address. It will take a little time, please be patient...”Source: AboutUs wiki archive, 2007
Aug 27, 2012 – Feb 13, 2014Registrar: Registrar PSI-USA, Inc. dba Domain Robot (R68-LROR) in the WHOIS and RDAP records held for pdf24.org, from Aug 27, 2012 to Feb 13, 2014.Source: WHOIS / RDAP archive (who.is)
Aug 27, 2012 – Jun 24, 2026Registrant: Registration records for pdf24.org are held from Aug 27, 2012 to Jun 24, 2026 (210 records). None shows a change of registrant. Privacy-service and redaction changes, renames of the same organization and new contacts at it are not counted.Source: WHOIS / RDAP archive (who.is); counted by registrant name and organization only
Aug 27, 2012 – Feb 25, 2024
Jul 1, 2007
“You did it! Your document will be now converted into a pdf-file and sent to the specified e-mail address. It will take a little time, please be patient...”
Source: AboutUs wiki archive, 2007
Current AboutUs recordJul 16, 2026 – Nov 1, 2026 (latest)Authority and Safety last refreshed Nov 1, 2026.Source: AboutUs checks
PSI-USA, Inc. dba Domain Robot
Aug 5, 2016 – Jun 24, 2026
Registrar PSI-USA, Inc. dba Domain Robot (IANA 151) in the WHOIS and RDAP records held for pdf24.org, from Aug 5, 2016 to Jun 24, 2026.
Source: WHOIS / RDAP archive (who.is)
InterNetX GmbHJul 25, 2026 – Sep 1, 2026Registrar InterNetX GmbH in the registration data recorded, first on Jul 25, 2026 and most recently on Sep 1, 2026.Source: AboutUs registrar observations (RDAP)
OpusDNS GmbHSep 4, 2026 – Sep 27, 2026 (latest)Registrar OpusDNS GmbH in the registration data recorded, first on Sep 4, 2026 and most recently on Sep 27, 2026.Source: RDAP, fetched Oct 25, 2026
Nameservers: Amazon Route 53Mar 17, 2024 – Apr 2, 2024Registration records listed Amazon Route 53 nameservers (ns-1234.awsdns-26.org, ns-1576.awsdns-05.co.uk, ns-466.awsdns-58.com…) for pdf24.org from Mar 17, 2024 to Apr 2, 2024.Source: From registration records (WHOIS / RDAP archive, who.is)
DNS moved to Amazon Route 53Mar 17, 2024pdf24.org's nameservers moved from nameserverservice.de to Amazon Route 53 between Feb 25, 2024 and Mar 17, 2024. Last seen at nameserverservice.de: Feb 25, 2024 (registration record). First seen at Amazon Route 53: Mar 17, 2024 (registration record).Source: Derived from the nameserver records on this lifeline (registration record → registration record)
Nameservers: CloudflareNameservers: CloudflareApr 18, 2024 – Jun 24, 2026Registration records listed Cloudflare nameservers (ben.ns.cloudflare.com, vera.ns.cloudflare.com) for pdf24.org from Apr 18, 2024 to Jun 24, 2026.Source: From registration records (WHOIS / RDAP archive, who.is)
DNS moved to CloudflareApr 18, 2024pdf24.org's nameservers moved from Amazon Route 53 to Cloudflare between Apr 2, 2024 and Apr 18, 2024. Last seen at Amazon Route 53: Apr 2, 2024 (registration record). First seen at Cloudflare: Apr 18, 2024 (registration record).Source: Derived from the nameserver records on this lifeline (registration record → registration record)
Google Trust Services
May 23, 2026 – Oct 19, 2026
Google Trust Services issued 3 certificates for pdf24.org from May 23, 2026, the latest valid until Oct 19, 2026.
Source: Certificate Transparency logs (AboutUs's own certificate-log reader)
Zone file: Registration records listed nameserverservice.de nameservers (ns5.nameserverservice.de, ns6.nameserverservice.de) for pdf24.org from Aug 27, 2012 to Feb 25, 2024.Source: From registration records (WHOIS / RDAP archive, who.is)
Aug 5, 2016 – Jun 24, 2026Registrar: Registrar PSI-USA, Inc. dba Domain Robot (IANA 151) in the WHOIS and RDAP records held for pdf24.org, from Aug 5, 2016 to Jun 24, 2026.Source: WHOIS / RDAP archive (who.is)
Mar 17, 2024 – Apr 2, 2024Zone file: Registration records listed Amazon Route 53 nameservers (ns-1234.awsdns-26.org, ns-1576.awsdns-05.co.uk, ns-466.awsdns-58.com…) for pdf24.org from Mar 17, 2024 to Apr 2, 2024.Source: From registration records (WHOIS / RDAP archive, who.is)
Mar 17, 2024Zone file: pdf24.org's nameservers moved from nameserverservice.de to Amazon Route 53 between Feb 25, 2024 and Mar 17, 2024. Last seen at nameserverservice.de: Feb 25, 2024 (registration record). First seen at Amazon Route 53: Mar 17, 2024 (registration record).Source: Derived from the nameserver records on this lifeline (registration record → registration record)
Apr 18, 2024 – Jun 24, 2026Zone file: Registration records listed Cloudflare nameservers (ben.ns.cloudflare.com, vera.ns.cloudflare.com) for pdf24.org from Apr 18, 2024 to Jun 24, 2026.Source: From registration records (WHOIS / RDAP archive, who.is)
Apr 18, 2024Zone file: pdf24.org's nameservers moved from Amazon Route 53 to Cloudflare between Apr 2, 2024 and Apr 18, 2024. Last seen at Amazon Route 53: Apr 2, 2024 (registration record). First seen at Cloudflare: Apr 18, 2024 (registration record).Source: Derived from the nameserver records on this lifeline (registration record → registration record)
Apr 2, 2026 – Nov 3, 2026Certificate: Let's Encrypt issued 14 certificates for pdf24.org from Apr 2, 2026, the latest valid until Jan 6, 2027. Seen in use on Sep 28, 2026.Source: Certificate Transparency logs (AboutUs's own certificate-log reader); TLS check, Sep 28, 2026
May 23, 2026 – Oct 19, 2026Certificate: Google Trust Services issued 3 certificates for pdf24.org from May 23, 2026, the latest valid until Oct 19, 2026.Source: Certificate Transparency logs (AboutUs's own certificate-log reader)
Jul 16, 2026 – Nov 1, 2026AboutUs record: Authority and Safety last refreshed Nov 1, 2026.Source: AboutUs checks
Jul 25, 2026 – Sep 1, 2026Registrar: Registrar InterNetX GmbH in the registration data recorded, first on Jul 25, 2026 and most recently on Sep 1, 2026.Source: AboutUs registrar observations (RDAP)
Sep 4, 2026 – Sep 27, 2026Registrar: Registrar OpusDNS GmbH in the registration data recorded, first on Sep 4, 2026 and most recently on Sep 27, 2026.Source: RDAP, fetched Oct 25, 2026
All 4 safety checks passed (Nov 3, 2026).
Automated safety checks
DNS (passed)
HTTPS (passed)
Page metadata (passed)
Security headers (passed)
Current facts
Latest available measurements; dated entries retain their dates. These are measurements, not an endorsement of the site.
latest result
Domain registered Oct 10, 2005 — 21 years old.
latest result
Registrar on record: OpusDNS GmbH — since Sep 4, 2026; previously InterNetX GmbH.
Authority 83/100— ahead of 83% of the August 2026 scored sampleClear
Why this authority score
83 is a percentile: higher than 83% of sites we score.
How it's calculated
Prominence (Tranco rank #5,153)+9
Verified continuity: 21.1 years (RDAP registration)+10
Security & email hygiene+5
Calibration adjustment (published map)+18
Model score: 42/99 — what these reason lines add up to.
Published Authority (percentile): 83/100 — this site's rank against the August 2026 scored sample. Public Authority is capped at 99.
Safety evidence
No unexpired threat-feed result; name-similarity check available (recorded about 2 days ago); 3/3 transport and email checks available (oldest recorded about 2 days ago). This is evidence coverage, not a probability that a website is safe.
What pdf24.org said about itself, 2007
Quoted from the site's AboutUs wiki page in each year it changed (1 version). These are the page's own words at the time, not AboutUs's assessment. New words · dropped words
2007
You did it! Your document will be now converted into a pdf-file and sent to the specified e-mail address. It will take a little time, please be patient...
Site history
Dated record — historical facts always carry their date; self-description below is the 2013 record.
2005
Domain registered (Oct 10, 2005).
2007
First tracked by AboutUs (Jun 6, 2007); profile edited 2 times through 2013.
2013
Self-description at the time:
“Pdf24.org Offers free converter for PDF files & pluggins.”
2026
Domain moved to OpusDNS GmbH (previously InterNetX GmbH) — change first observed Sep 4, 2026.