Trusted but Verify
Current checks include security-provider warnings. Review the detected warnings and supporting trust evidence before relying on the site.
We reviewed hackmd.io and found mostly positive signals. Current checks lean toward a legitimate, lower-risk profile, although a few caution points still keep it short of a fully verified standing. The current trust score is 79/100. Key signals include security-provider warnings, a long-term SSL certificate (13 months), and a domain age of 11.5 years. Verify key details before sharing personal information or relying on the site for important actions.
FAQ
Is hackmd.io safe?
Based on current analysis, hackmd.io appears to be generally safe. Signals such as security-provider warnings and a long-term SSL certificate (13 months) support this assessment. Basic verification is still reasonable before relying on the site.
Why does hackmd.io look trustworthy?
Key factors include registrar information (Gandi SAS), hosting in US, and presence in public traffic rankings. The trust score blends security detections, domain and infrastructure signals, and on-page behavior patterns. Taken together, these factors support a mostly positive trust assessment, although routine verification is still reasonable.
Hackmd Digital Footprints
A structured view of the site's detected themes, page signals, and related online footprint elements.
Helpdesk
This site includes structured support channels such as help center, ticketing, chat, or service contact pages.
Registration Form
Automated page analysis detected form or data-entry functionality on hackmd.io. Forms can involve user-submitted information, so verify ownership and privacy terms before entering data.
Cookie Consent
hackmd.io implements a cookie-consent interface for managing tracking and data-collection preferences.
React Platform
This website is built using React, a popular JavaScript library for creating interactive user interfaces.
Next.js Framework
Social Media Links
The presence of social media links on the website indicates that it references social media accounts. This signal alone does not confirm ownership or authenticity of those profiles.
Long Term SSL Certificate
The SSL certificate for hackmd.io is valid for more than 6 months, indicating a long-term commitment to security and trust.
AI-generated Text
This site contains text patterns consistent with machine-generated or AI-assisted content production.
Popular Site
This site shows elevated traffic signals relative to similar domains; this is generally positive but does not by itself prove legitimacy.
Verified X Profile
Ownership verification confirms that hackmd.io controls the X profile @hackmdio (HackMD) (3,701 followers, 3 following, 3,445 posts, listed 0 times, since 2015, no account badge).
Established Domain
This site has maintained active domain presence over time, indicating operational continuity.
Verified Business Services
This domain publishes TXT verification records for multiple third-party business platforms. This indicates that the domain has been connected to those services at the DNS level.
Business Infrastructure
The domain hackmd.io is configured for several service layers, such as email delivery, platform verification, or security tooling. This reflects a broader operational setup than a minimal single-purpose deployment.
External provider warnings: 1/27
This section shows what independent external security sources say about this site.
A warning appears when one or more sources report malware, phishing, abuse, or other safety concerns. Each row shows the source and its verdict.
If no source reports a warning, the site is shown as clear in this section.
MalwareURL
Phishing
External provider results for Hackmd.io, last checked October 20, 2026.
— VirusTotal
Domain Information
CreatedApril 20, 2015 at 8:57 AMUpdated: August 12, 2026 at 9:24 AM · Expires: April 20, 2027 at 8:57 AM
Domain Age11.5 years
RegistrantPersonal information withheldProtected by Gridinsoft
SSL CertificateAmazon RSA 2048 M04TLSv1.2 · Valid for: 13 months · from January 5, 2026 at 12:00 AM · to February 2, 2027 at 11:59 PM
Name Serversns-1444.awsdns-52.org ns-1925.awsdns-48.co.uk ns-221.awsdns-27.com ns-845.awsdns-41.net
Content from the analyzed website
Quoted for security analysis. These statements belong to the source website and are not endorsed by Gridinsoft.
Original page titleHackMD: Your Collaborative Markdown Workspace for Knowledge Sharing
Original descriptionHackMD gives you a real-time Markdown editor for collaborative work. Working with Markdown files in HackMD is simple, straightforward, and fun.
Verified ServicesThis domain has been verified by the following legitimate services and organizations, confirming authentic ownership and proper email security configuration.
1password
Password manager verification.
Apple
Apple Inc. services verification.
Bw
Cursor SSO
AI code editor single sign-on.
Google Verification
Domain ownership verified by Google.
Linkedin
Microsoft 365
Microsoft cloud productivity suite (Office, email, etc.).
Security FingerprintUnique identifier based on site analysis
Hackmd.io is ranked within the top 50,000 websites globally.
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Are You the Owner?
If you own Hackmd.io and want to challenge the trust score, please submit a review request via portal.gridinsoft.com. There you can claim your profile and add verified company/contact details. If you cannot access the portal, email legal(at)gridinsoft.com with proof of legitimacy and contact details. We never charge website owners for reviews or reconsideration requests. For more information, please review our Disclaimer.
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Help protect others by sharing this page on social media! The more people who know about hackmd.io, the fewer chances they have to deceive someone else.Help others evaluate hackmd.io by sharing this page on social media!
Help protect others by sharing this page on social media! The more people who know about hackmd.io, the fewer chances they have to deceive someone else. Help others evaluate hackmd.io by sharing this page on social media!