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Security report for elconvertidor.com

Dan's Tools · Technology · N/a

Medium risk. 7 critical or high findings in Email security, SSL/TLS and 2 other checks.

Security score

51/100

Risk levelMedium

0–100, higher is better. How it is calculated

Files-conversion.com is a free online file conversion service primarily focused on video formats but also supporting audio, archive, document, presentation, spreadsheet, font, and ebook conversions. The site is part of the Dan's Tools suite of utilities, targeting general internet users who need quick and free file format conversions. The business model relies on advertising revenue, as evidenced by Google Adsense and Ezoic ads integrated into the site. The website is multilingual and links to several related partner sites offering similar services in different languages. Technically, the site uses a modern but basic tech stack including Bootstrap 3, jQuery, Font Awesome, and Plupload for file uploads. It is hosted on infrastructure likely involving AWS Cloudfront for asset delivery. The site is mobile responsive and has good SEO practices with proper meta tags and structured navigation. However, it lacks advanced security headers and cookie consent mechanisms, which are important for compliance and security. From a security perspective, the site uses HTTPS but does not implement common security headers such as Content-Security-Policy or HSTS. Forms do not show anti-CSRF tokens, and no explicit security or incident response policies are found. The WHOIS data for the domain is unavailable or unregistered, which raises concerns about domain legitimacy despite the active and functional website. No contact emails or phone numbers are provided, limiting direct communication channels. Overall, the site is functional and provides a useful free service but has gaps in security posture and transparency. The lack of WHOIS data and contact information reduces trustworthiness. Strategic improvements in security headers, privacy compliance, and domain registration transparency are recommended to enhance credibility and user trust.

Scanned

NIS2 and GDPR posture

GDPR outside view
53/ 100 · Medium
Checks completed
7of 7

NIS2 Art. 21(2)

  1. (a) Risk analysis and security policies: Not visible from outside
  2. (b) Incident handling: One indicator
  3. (c) Business continuity, backups and crisis management: Not visible from outside
  4. (d) Supply chain security: Not visible from outside
  5. (e) Secure acquisition, development and maintenance, including vulnerability handling: Partly checked
  6. (f) Assessing the effectiveness of security measures: Not visible from outside
  7. (g) Cyber hygiene and security training: Not visible from outside
  8. (h) Cryptography and encryption: Partly checked
  9. (i) HR security, access control and asset management: One indicator
  10. (j) Multi-factor authentication and secured communications: Not visible from outside

This scan rated NIS2 with an earlier keyword method that is no longer shown; rescan for the per-article view. Risk management, continuity, supply chain, training, MFA, management oversight (Art. 20) and incident reporting (Art. 23) need internal evidence, and Guard cannot tell whether NIS2 applies to this organisation.

GDPR is indicative only, based on publicly visible signals: Articles 7, 12, 13 and 32 of Regulation (EU) 2016/679 and Article 5(3) of the ePrivacy Directive. Not a certification or legal assessment.

Priority findings

7 findings rated critical or high. Fix these first.

  1. Email security

    SPF, DKIM and DMARC stop others sending email that looks like it comes from your domain, a common route to phishing and invoice fraud.

    • Critical

      No email authentication configured

      Domain is vulnerable to email spoofing

      What to do: Implement SPF, DKIM, and DMARC immediately

  2. SSL/TLS

    TLS encrypts the connection and proves the site is really yours. Weak or expiring certificates trigger browser warnings and put traffic at risk.

    • Critical

      Unable to retrieve SSL certificate

      Could not establish secure connection to retrieve certificate information

      What to do: Check if the server is accessible and SSL/TLS is properly configured

  3. Security headers

    Security headers are instructions your web server sends to every visitor’s browser. Missing ones leave visitors more exposed to attacks such as clickjacking and injected scripts.

    • High

      Missing Strict-Transport-Security header

      Forces HTTPS connections

      What to do: Add "Strict-Transport-Security: max-age=31536000; includeSubDomains; preload"

      • CWE-319
      • OWASP A04:2025
      • ASVS V3.4.1
    • High

      Missing X-Frame-Options header

      Prevents clickjacking attacks

      What to do: Add "X-Frame-Options: DENY" or "X-Frame-Options: SAMEORIGIN"

    • High

      Missing Content-Security-Policy header

      Controls resources the browser is allowed to load

      What to do: Implement a Content-Security-Policy appropriate for your application

      • ASVS V3.4.3
      • OWASP Secure Headers: OWASP Secure Headers Project recommends Content-Security-Policy: default-src 'self'; form-action 'self'; base-uri 'self'; object-src 'none';…

Need hands-on remediation? Email guard@offseq.com

Keep watching elconvertidor.com

This scan found 22 issues across 6 checks. Monitoring re-runs those checks daily, emails you when something material changes and records each fix, so you can show progress.

Daily monitoring

Recommended

€25per month

  • TLS certificates and expiry
  • DNS records
  • SPF, DKIM and DMARC
  • Security headers
  • GDPR and NIS2 posture
  • Exposed services
  • Third-party trackers
  • Security score drift

Email alerts on material changes and an exportable JSON history of every change.

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Full report

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Results by check

Each check with its score, findings and the evidence it collected.

How this score is calculated

The security score runs 0–100, higher is better. It is the plain average of the security checks that completed in this scan, each counted equally. A check that could not run is left out: it counts neither as a pass nor as a fail.

Counted in this score

SSL/TLS
0
Security headers
20
Email security
60
DNS health
75
Network security
100
GDPR outside view
53
Average
51

Not counted

  • NIS2 outside view: Re-weights evidence from the TLS, email, DNS, network and hygiene checks, so counting it would count that evidence twice. Shown on its own.
  • OffSeq Observations: An AI reading of the site, useful context but not reproducible evidence. Shown on its own.

Findings that cap the score at 49

Each of these is serious on its own, so while any is present the site cannot rate better than high risk, however good the other checks are.

  • The certificate is not trusted by browsers
  • The website is not served over HTTPS
  • A database, remote desktop, file-sharing or Telnet service is reachable from the internet
  • The page loads a script from a compromised source
  • The domain registration has expired
  • SPF authorises every server to send mail as the domain

Partial scans

When the site blocks Guard or most checks cannot run, the score covers only the checks that ran (usually DNS and email), is capped at 75 and is shown as partial, without a risk level.

Risk levels

  • Critical0–25
  • High26–49
  • Medium50–75
  • Low76–100

Technical appendix

Business context, site observations and technical notes gathered during the scan, and the standards behind each reference.

Business context

Business profile

Files-conversion.com operates in the technology sector providing free online file conversion tools with a focus on video formats. It is part of a broader ecosystem under Dan's Tools, which includes multiple related sites targeting different languages and file types. The business model is ad-supported, with Google Adsense and Ezoic ads integrated. The target market is broad, including general internet users needing quick file conversions without cost. The site has moderate market positioning as a niche free tool provider with multilingual support. There is no evidence of direct revenue streams beyond advertising or premium services. The partnership ecosystem includes multiple related domains offering similar services in various languages, suggesting a networked approach to reach diverse audiences. Growth indicators are limited but the site's longevity (footer indicates activity since at least 2014) suggests stable operations. The lack of WHOIS transparency and contact details may impact business credibility and user trust.

Security posture

The security posture of files-conversion.com is moderate but with notable gaps. The site enforces HTTPS, which is mandatory for secure data transmission. However, it lacks critical security headers such as Content-Security-Policy, X-Frame-Options, and HSTS, which protect against common web attacks like clickjacking and protocol downgrade attacks. The upload functionality uses Plupload with some safeguards like file renaming, but no anti-CSRF tokens are evident in forms, increasing risk of cross-site request forgery. No explicit security policies, incident response contacts, or vulnerability disclosure mechanisms are present, indicating low maturity in security governance. The absence of WHOIS data for the domain raises concerns about domain legitimacy and potential risk. Overall, while no immediate vulnerabilities are visible, the site would benefit from enhanced security controls and transparency to reduce risk and improve compliance.

Recommendations

  1. Implement comprehensive security headers including Content-Security-Policy, X-Frame-Options, X-Content-Type-Options, and HSTS to strengthen web security.
  2. Add anti-CSRF tokens to all forms to prevent cross-site request forgery attacks.
  3. Establish and publish clear security policies and incident response contacts to improve security governance and user trust.
  4. Enhance privacy compliance by adding a cookie consent banner and improving the privacy policy to address GDPR and other regulations.
  5. Resolve WHOIS data issues by ensuring domain registration information is accurate, complete, and publicly available to improve legitimacy and trust.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Dan's Tools
Description
Files-conversion.com provides free online file conversion services primarily focused on video file formats but also supports audio, archive, document, presentation, spreadsheet, font, and ebook conversions.
Key services
Video file conversion, Audio file conversion, Archive conversion, Document conversion, Presentation conversion, Spreadsheet conversion, Font conversion, eBook conversion
Content quality
good
Branding
moderate

Technology

Stack
HTML5, JavaScript, jQuery, Bootstrap 3.4.1, Font Awesome 4.0.3, Google Analytics, Google Adsense, Plupload
Frameworks
Bootstrap
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
60/100
Good practices seen
  • HTTPS enabled
  • No visible exposed sensitive data
  • Use of secure upload mechanisms (plupload with rename and unique names disabled)

Analytics and tracking

Services
Google Analytics, Google Tag Manager
Tracking level
moderate
Privacy practices
basic

Advertising

Ad networks
Google Adsense, Ezoic
Transparency
basic

Site quality

Design
good
User experience
good
Content relevance
good
Navigation
good
Professionalism
good
Trustworthiness
moderate

Key observations

  1. Website offers free online file conversion services with a focus on video formats.
  2. No WHOIS data available for domain, which is unusual for an active site.
  3. Site uses HTTPS and modern web technologies but lacks advanced security headers.
  4. No explicit contact emails or phone numbers found on the site.
  5. Privacy policy and terms of service pages exist but are basic.
  6. Advertising and analytics scripts are present, indicating monetization and tracking.
  7. No signs of adult or NSFW content; content is safe for general audiences.
  8. No WAF or blocking mechanisms detected; site fully accessible.
Technical notes

Notes

The website is built on a classic web stack using HTML5, Bootstrap 3.4.1, jQuery 2.2.4, and Font Awesome 4.0.3. It uses Plupload for file upload management, supporting large file sizes up to 300MB. Assets are partially served via AWS Cloudfront CDN, improving performance and scalability. Google Analytics and Google Tag Manager are used for traffic analysis and marketing. The site is mobile responsive and has good SEO metadata including description and keywords. However, the site lacks modern security headers and advanced privacy features. Performance is moderate with some reliance on third-party ad scripts which may impact load times. There is no detected CMS, indicating a custom or static site architecture. Overall, the technical implementation is solid but could be modernized with improved security and privacy features.
Standards and sources

Reference chips under each finding point to the standard, regulation or specification the finding relates to. They are taken from the official datasets below and mapped conservatively: a finding with no defensible link shows none. NIS2 and GDPR references mark where a finding is relevant evidence, not a compliance verdict. Implementing Regulation (EU) 2024/2690 binds digital infrastructure and digital service providers; for other entities it is the most detailed public reading of the Article 21 measures. WCAG, EN 301 549, European Accessibility Act and Web Accessibility Directive references name the requirement an automated accessibility rule relates to; they are not a conformance verdict.

Retrieved 2026-10-25

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