pdf.ninja homepage screenshot

pdf.ninja website report

Pdf.Ninja ® - a web API for PDF forms filling

Pdf is ranked #152,029 worldwide (top 4%), has an estimated value of $12,153. It may earn around $1,197 per month from advertising.

English

Last updated

Estimated worth
$12,153
Automated valuation
Global rank
#152,029
Improving
Monthly visitors
13K
627K page views
Domain age
—
Creation date unknown
Hosted in
United States
Linode
Security headers
56/100
Response 0.25 s

Key facts about pdf.ninja

Domain
pdf.ninja
Website name
Pdf.Ninja ® - a web API for PDF forms filling
Estimated worth
$12,153
Global rank
#152,029 (top 4% of 3.4M ranked sites)
Monthly visitors (est.)
13K · 627K page views
Server location
Dallas, United States
Network
Linode AS36351
Email provider
Self-hosted / other (mail.maximum.software)
Language
English
Data updated

Estimated traffic & revenue

Page viewsVisitorsAd revenue
Daily20,915418$40
Monthly627,44012,549$1,197
Yearly7,529,280150,588$14,364

Modelled from the global rank — not measured analytics. Use them to compare sites, not as exact figures.

Global rank history

#152K #15.8M #31.4M 2026-06: #31,360,059 Jun 26 2026-07: #156,357 Jul 26 2026-08: #152,029 Aug 26
Monthly values
MonthGlobal rank
2026-06#31,360,059
2026-07#156,357
2026-08#152,029

Source: Rankeez (Tranco, Majestic, DomCop, Cisco Umbrella).

How we estimate pdf.ninja's value

$12,153

The estimate is the higher of two independent approaches, both computed automatically from public data.

  • Traffic value: $12,153Driven by the global rank #152,029 (≈627K page views / month) plus a capped age bonus.
  • Activity value: $618Domain age plus observable signs of an active, professionally run website.

Activity signals found

Domain age (unknown)$100
Active website with metadata+$150
Substantial homepage content+$150
Email authentication (SPF)+$50
Security headers (56/100)+$168

Revenue, sales or private analytics are not public and are not included. This is not an appraisal or a sale price.

On-page SEO

TitlePdf.Ninja ® - a web API for PDF forms filling
45 chars
Meta descriptionMissing
Meta keywordsNone
LanguageEnglish
Response time0.25 s Fast

Homepage structure

H1 headings1
H2 headings4
H3 headings10
H4 headings34
Paragraphs76
Links60
Images2
Bold text9

Exactly one H1 heading — good practice.

Technology & infrastructure

CDN / proxyNone detected
Web servernginx
Platform / languageNot disclosed
DNS providerLinode
Email providerSelf-hosted / other (mail.maximum.software)
SPF recordv=spf1 mx a:mail.maximum.software a:ha.maximum.software a:sn.maximum.software -all
IPv6 (AAAA)No
CAA recordNo

Services verified in DNS

No third-party verification records found.

Domain name

Extension.ninja — a generic top-level domain
Name length3 characters Short
Hyphens / digitsNo hyphen · no digits

Security headers

56
4 passed · 2 to improve · 3 missing
Homepage answered HTTP 200 at https://pdf.ninja/ · checked Oct 31, 2026
  • HTTPSThe homepage is served over an encrypted HTTPS connection.
  • HTTP → HTTPS redirectVisitors typing http:// are redirected to the secure version.
  • Strict-Transport-Security (HSTS)max-age 365 days.
  • Content-Security-PolicyNot set: no restriction on which scripts may run.
  • Clickjacking protectionNeither X-Frame-Options nor CSP frame-ancestors is set.
  • X-Content-Type-OptionsNot set to nosniff.
  • Referrer-PolicyNot set (browsers default to strict-origin-when-cross-origin).
  • Permissions-PolicyNot set: browser features are not explicitly restricted.
  • Software version disclosureNo software version numbers disclosed in headers.
Raw HTTP response headers
HTTP/2 200
server: nginx
date: Sat, 31 Oct 2026 01:33:23 GMT
content-type: text/html; charset=UTF-8
content-encoding: gzip
strict-transport-security: max-age=31536000

Hosting

IP address72.14.181.76
Location Dallas, United States
Network (ISP)Linode
Autonomous systemAS36351 SoftLayer Technologies Inc.
Server softwarenginx

Nameservers

HostIPCountry
ns5.linode.com92.123.95.2—
ns1.maximumsoftware.net45.33.12.243 United States
ns4.linode.com92.123.95.4—
ns2.linode.com92.123.94.3—
ns3.linode.com92.123.95.3—
ns2.maximumsoftware.net45.33.12.243 United States
ns1.linode.com92.123.94.2—

Domain registration (WHOIS)

RegistrarUnknown
Raw WHOIS record
TLD is not supported.
>>> Last update of WHOIS database: 2026-08-10T13:51:01Z <<<

Terms of Use: Access to WHOIS information is provided to assist persons in determining the contents of a domain name registration record in the registry database. The data in this record is provided by Identity Digital or the Registry Operator for informational purposes only, and accuracy is not guaranteed. This service is intended only for query-based access. You agree that you will use this data only for lawful purposes and that, under no circumstances will you use this data to (a) allow, enable, or otherwise support the transmission by e-mail, telephone, or facsimile of mass unsolicited, commercial advertising or solicitations to entities other than the data recipient's own existing customers; or (b) enable high volume, automated, electronic processes that send queries or data to the systems of Registry Operator, a Registrar, or Identity Digital except as reasonably necessary to register domain names or modify existing registrations. When using the Whois service, please consider the following: The Whois service is not a replacement for standard EPP commands to the SRS service. Whois is not considered authoritative for registered domain objects. The Whois service may be scheduled for downtime during production or OT&E maintenance periods. Queries to the Whois services are throttled. If too many queries are received from a single IP address within a specified time, the service will begin to reject further queries for a period of time to prevent disruption of Whois service access. Abuse of the Whois system through data mining is mitigated by detecting and limiting bulk query access from single sources. Where applicable, the presence of a [Non-Public Data] tag indicates that such data is not made publicly available due to applicable data privacy laws or requirements. Should you wish to contact the registrant, please refer to the Whois records available through the registrar URL listed above. Access to non-public data may be provided, upon request, where it can be re
asonably confirmed that the requester holds a specific legitimate interest and a proper legal basis for accessing the withheld data. Access to this data provided by Identity Digital can be requested by submitting a request via the form found at https://www.identity.digital/about/policies/whois-layered-access/. The Registrar of Record identified in this output may have an RDDS service that can be queried for additional information on how to contact the Registrant, Admin, or Tech contact of the queried domain name. Identity Digital Inc. and Registry Operator reserve the right to modify these terms at any time. By submitting this query, you agree to abide by this policy.

DNS records

TypeHostValueTTL
Apdf.ninjaip: 72.14.181.763589
NSpdf.ninjatarget: ns4.linode.com3600
NSpdf.ninjatarget: ns5.linode.com3600
NSpdf.ninjatarget: ns2.maximumsoftware.net3600
NSpdf.ninjatarget: ns1.linode.com3600
NSpdf.ninjatarget: ns2.linode.com3600
NSpdf.ninjatarget: ns3.linode.com3600
NSpdf.ninjatarget: ns1.maximumsoftware.net3600
SOApdf.ninjamname: ns1.linode.com
rname: admin.maximum.software
serial: 2026053105
refresh: 14400
retry: 300
expire: 31449600
minimum-ttl: 3600
86400
MXpdf.ninjapri: 10
target: mail.maximum.software
3600
TXTpdf.ninjatxt: v=spf1 mx a:mail.maximum.software a:ha.maximum.software a:sn.maximum.software -all3600

Websites similar to pdf.ninja

More alternatives on Similars.net →

pdf.ninja compared with similar websites

WebsiteGlobal rankEst. worthRegisteredHosted in
pdf.ninja#152,029$12,153— United States
formspree.io#40,845$58,7582014 United States
formalsoft.com#12,667,019$460— United States
upstash.com#124,728$15,5322015 United States
oglplus.org#1,757,731$8762012 Slovakia
atstuff.com#19,260,513$4062003 United States
deathbycaptcha.com#729,526$2,1072009 United States

Websites ranked near pdf.ninja

  1. #152,021 agah.com $12,469
  2. #152,022 jivochat.com $12,349
  3. #152,025 watermelon.org $12,499
  4. #152,027 digimind.com $12,498
  5. #152,029 pdf.ninja $12,153
  6. #152,032 openfoam.com $12,438
  7. #152,033 deadreckoninggame.com $12,213
  8. #152,034 iporno.site $12,153
  9. #152,035 mintsoft.co.uk $12,153

Questions about pdf.ninja

Where is pdf.ninja hosted?

Pdf.ninja's server (IP 72.14.181.76) is located in Dallas, United States.

How much is pdf.ninja worth?

We estimate pdf.ninja is worth $12,153. This is an automated estimate based on the site's global traffic rank, domain age and observable activity signals (professional email, business services, security, CDN) — not a professional appraisal or a real sale price.

How much traffic does pdf.ninja get?

Based on its rank, pdf.ninja receives roughly 13K unique visitors and 627K page views per month. These figures are modelled from the rank, not measured.

What is pdf.ninja's global rank?

Pdf.ninja has an estimated global rank of 152,029, sourced from Rankeez.com, which aggregates the Tranco, Majestic, DomCop and Cisco Umbrella rankings. Its rank has improved over the tracked period. This is an independent estimate, not affiliated with Amazon Alexa, which discontinued its own ranking service in 2022.

Who hosts pdf.ninja?

Pdf.ninja resolves to 72.14.181.76, on the network of Linode (AS36351). Its DNS is managed by Linode.

What email provider does pdf.ninja use?

According to its MX records, pdf.ninja receives email with Self-hosted / other (mail.maximum.software). It publishes an SPF record to authenticate its outgoing mail.

What websites are similar to pdf.ninja?

Popular websites in the same category as pdf.ninja include formspree.io, formalsoft.com, upstash.com, oglplus.org, atstuff.com.

Own pdf.ninja? Add the badge

pdf.ninja on StatMemory

Shows your live global rank. To cite this report: “StatMemory, pdf.ninja website report, https://statmemory.com/pdf.ninja”.

StatMemory is not affiliated with pdf.ninja. This report shows publicly available data (DNS, WHOIS, HTTP headers, public top-site lists) and automated estimates for information purposes.