diff --git a/README.md b/README.md
index 7bea2c8..ed9678b 100644
--- a/README.md
+++ b/README.md
@@ -398,6 +398,7 @@ Site and forums OSINT community arround world
 - [Iplocation](https://iplocation.io/website-link-analyzer)
 - [Smallseotools](https://smallseotools.com/website-link-analyzer-tool/)
 - [Abuse IP](https://www.abuseipdb.com/)
+- [Check-The-Sum](https://check-the-sum.fr/)
 - [Check Phish](https://checkphish.ai/)
 - [Radar By Cloudflare](https://radar.cloudflare.com/)
 - [Is it Phishing](https://isitphishing.org/)
@@ -461,6 +462,7 @@ Site and forums OSINT community arround world
 - [Browser Sandbox](https://www.browserling.com/)
 - [Fillter Bypass](https://www.filterbypass.me/id)
 - [Abuse IP DB](https://www.abuseipdb.com/)
+- [Check-The-Sum](https://check-the-sum.fr/)
 - [Talos CTI](https://www.talosintelligence.com/)
 - [Phishing Analysis Tool](https://www.phishtool.com/)
 - [Phish Verification System](https://phishtank.org/)
@@ -605,6 +607,7 @@ You can find the file hash or other threat indicator
 - [CVE Mitre](https://cve.mitre.org/cve/search_cve_list.html)
 - [Whois Record](https://centralops.net/co/)
 - [Abuse IP DB](https://www.abuseipdb.com/)
+- [Check-The-Sum](https://check-the-sum.fr/)
 - [Talos CTI](https://www.talosintelligence.com/)
 - [Darkfeed](https://darkfeed.io/)
 - [Flare](https://flare.io/)