Alert Closure Memos
Generate structured memos for closing security incidents.
Writing & Reports
40+ cyber tools • 100% free • 100% local
Cyber Toolbox
Cybersecurity, OSINT & Forensics
40+ free cyber tools for cybersecurity professionals — 100% local execution, your data never leaves your browser.
- tools
- 43
- categories
- 11
- data uploaded
- 0
- AnalyzersWindows logs, Office, SSL
- OSINTDomain, IP, social media
- Network & IPSubnet, geolocation
- EncodingBase64, URL, SafeLinks
- ForensicsArtifacts, timeline, files
- SecurityPasswords, CVSS, hash
/
43 tools available
API Tester
A web API client to test, analyze and document API calls.
DevelopmentCertificate & HTTP Analyzer
Check the HTTP headers and SSL/TLS certificate of a website.
CybersecurityCompromise Diagram
Create interactive compromise diagrams to visualize attacks.
CybersecurityContextualized CVSS Calculator
Calculate and contextualize CVSS v3.1 scores to prioritize your patch management.
CybersecurityCVE Database
Search CVE vulnerabilities in the NVD/MITRE database with CVSS, vendor and date filters.
CybersecurityCyber Chess
Full chess game with chat, clock, a 5-level bot and online duels.
GamesCyber Mind Map
An interactive mind map of cybersecurity domains.
References & PortalsDaily Rate Calculator
Estimate a freelancer's or team's annual budget from the day rate and billed days.
Miscellaneous UtilitiesDIC(T) Impact Analysis
Assess the impact of a security incident using the 4 DIC(T) criteria: Availability, Integrity, Confidentiality, Traceability.
Forensic AnalysisDomain OSINT
Free domain OSINT: WHOIS, DNS, SSL, reputation and IOC on a domain name.
Forensic AnalysisEmail Analyzer (.eml)
Analyze an .eml file for free: SPF, DKIM, DMARC, IOC extraction and phishing detection.
Forensic AnalysisEmoticons & Emojis — Copy & Paste
Nearly 1,000 Unicode emoticons and emojis to copy and paste in one click, with a direct link to the meaning dictionary. Search, local history, 100% free.
Miscellaneous UtilitiesEphemeral Chat
Create temporary, encrypted chat rooms with no history.
Miscellaneous UtilitiesEphemeral Text Sharing
Share text or secrets securely and ephemerally.
Miscellaneous UtilitiesFull SEO Audit
Analyze your website's SEO health, 100% client-side.
DevelopmentImage Compressor
Reduce the size of your images (JPEG, PNG, WEBP, SVG) locally.
Miscellaneous UtilitiesImage to WebP Converter
Convert your JPG, PNG, GIF, BMP and SVG images to WebP locally, with no visible quality loss.
ConvertersInstagram OSINT
Extract public information from an Instagram profile.
Forensic AnalysisInterview Prep
Prepare technical interviews for cybersecurity roles.
CybersecurityiOS IPA Analyzer
Static security analysis of iOS applications (.ipa) with 50+ OWASP MASVS checks.
Forensic AnalysisIP Subnet Calculator
Calculate an IPv4 or IPv6 subnet: CIDR, mask, broadcast, address range and host count.
NetworkLocal AI Assistant
An AI assistant in your browser, with your own API key.
DevelopmentMarkdown Converter
Editor, converter and previewer for the Markdown format.
Writing & ReportsMicrosoft Portals
Quick access to all Microsoft 365, Azure and other admin portals.
References & PortalsMy IP Address
Display your public IP address and connection details.
NetworkNetwork Tool
Run network diagnostics: TCP ping, nslookup, whois and dig.
NetworkOffice File Analyzer
Detect potentially malicious macros and scripts in Office files.
Forensic AnalysisOnline XML Viewer
View, format and validate your XML documents with a collapsible tree view and reading aids.
DevelopmentOSINT Mapping
Organize your OSINT investigations: identifier graph linked to an interactive map, 100% local.
Forensic AnalysisPDF to Word Converter & PDF Tools Suite
Convert your PDFs to Word (.docx) for free. Compress, merge, split, edit, sign and watermark your PDFs — 100% local, no file sent to our servers.
Miscellaneous UtilitiesPhone Number OSINT
Free OSINT on a phone number: country, line type and estimated carrier (France), risk and anonymity scores, search links. Local analysis, no sign-up.
Forensic AnalysisPorts & Protocols Reference
A reference of insecure ports and protocols and their modern alternatives.
NetworkPrivate Translator
Translate text between 12 languages, for free, without your data ever being exploited.
Writing & ReportsSafeLink Decoder
Decode Microsoft SafeLinks & Proofpoint URL Defense instantly. Paste your SafeLink URL and reveal the real destination — free, client-side, no data sent.
CybersecuritySecure Password Generator
Generate strong passwords with entropy calculated in real time, 100% local and no transmission.
CryptographySpeed Test
Measure your internet connection speed.
NetworkSuspicious URL Analyzer Online
Analyze a suspicious URL for free: multi User-Agent sandbox, cloaking and malicious redirect detection.
CybersecurityText Comparer
Compare two texts and highlight the differences.
Writing & ReportsUniversal Decoder
Decode/encode strings in Base64, URL and hexadecimal, with multi-layer auto-decode.
CryptographyWeb SSH Client
A simple, secure SSH client directly in your browser.
NetworkWi-Fi QR Code Generator
Create your Wi-Fi QR code for free, right in your browser: your SSID and password never leave your device.
NetworkWindows Event ID Reference
Interactive reference of 300+ Windows Event IDs: 4624, 4625, 4688, 4698, 7045 and more for forensics.
Forensic Analysis
Frequently asked questions
Are ForenShield's cyber tools really free?
Yes, all 40+ cyber tools in the ForenShield Toolbox are 100% free. No sign-up required, no usage limit, no hidden costs. Every tool runs directly in your browser without sending your data to our servers.
How do I analyze a phishing email for free?
Use ForenShield's free phishing email analyzer: import your .eml file to automatically check SPF, DKIM and DMARC authentication, extract IOCs (suspicious URLs, domains, IPs) and detect spoofing attempts. The analysis is 100% local — no email is transmitted to our servers.
How do I calculate a CVSS score online for free?
ForenShield's free CVSS v3.1 calculator lets you compute the base, temporal and environmental score of a vulnerability. Fill in the attack vectors (AV, AC, PR, UI, S, C, I, A) and environmental metrics to get a contextualized score tailored to your infrastructure — directly online, no sign-up.
How do I do OSINT on a domain name?
ForenShield's free domain OSINT tool collects in one click: WHOIS data (registrant, dates, nameservers), DNS records (A, MX, TXT, NS for SPF/DMARC), the SSL certificate (validity, issuer, SANs) and domain reputation. Ideal for qualifying a suspicious domain in a phishing investigation or threat intelligence.