Password Generator
Generate strong random passwords with custom length and options.
Free Online Tools
Simple, fast, and useful developer tools in one place.
Use quick web, text, encoding, hashing, and productivity tools directly in your browser. No login. No installation. No backend required.
⚡ Fast
🔒 Browser Based
🧰 Useful Tools
$ open tools
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Password Generator ✅
Hash Generator ✅
Base64 Tools ✅
JSON Formatter ✅
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Toolbox
Choose a tool and start instantly.
Search through common online tools for developers, cybersecurity learners, and IT users.
SHA-256 Hash Generator
Create SHA-256 hashes from text directly inside your browser.
Base64 Encoder / Decoder
Encode plain text to Base64 or decode Base64 back to readable text.
URL Encoder / Decoder
Encode or decode URLs, query strings, and special characters.
JSON Formatter
Format, beautify, and validate JSON data quickly.
Word Counter
Count words, characters, spaces, sentences, and paragraphs.
Timestamp Converter
Convert Unix timestamps to readable dates and generate current timestamps.
Case Converter
Convert text to uppercase, lowercase, title case, or sentence case.
WHOIS / RDAP Checker
Check public domain registration data using RDAP and open WHOIS lookup sources.
DNS Checker
Check A, AAAA, MX, NS, TXT, CNAME, and SOA records using DNS-over-HTTPS.
SSL Checker
Open SSL certificate and TLS analysis tools for any domain.
SecurityTrails Lookup
Open SecurityTrails domain intelligence, DNS history, and subdomain results.
GeoPeeker
Preview how a website appears from different global locations.
CMS Checker
Check if a website uses WordPress, Shopify, Joomla, Drupal, or other technologies.
Malware Security Checker
Open malware, blacklist, and website reputation scanners.
SkipDNS
Preview a website on a server before DNS propagation is complete.
Hosting Checker
Resolve DNS records and open hosting/provider lookup sources.
WebArchive Lookup
Open Wayback Machine snapshots and archived versions of a website.
My Public IP
Display your current public IP address and basic browser network details.
IP Info Lookup
Check public IP information such as country, ISP, ASN, timezone, and location.
Subnet Calculator
Calculate network address, broadcast address, usable range, mask, and hosts.
CIDR Range Calculator
Convert CIDR notation into IP range, subnet mask, wildcard mask, and address count.
Private/Public IP Checker
Check if an IP is private, public, loopback, link-local, multicast, or reserved.
Common Ports Lookup
Search common TCP/UDP ports and learn what services they are used for.
Reverse DNS Lookup
Check PTR records for an IP address using DNS-over-HTTPS.
SPF Checker
Check and explain SPF records used for email spoofing protection.
DMARC Checker
Check DMARC policy and understand if a domain protects against spoofing.
DKIM Lookup Helper
Lookup DKIM TXT records using a domain and selector.
Email Header Analyzer
Analyze email headers for sender path, SPF, DKIM, DMARC, and suspicious signs.
URL Defanger / Refanger
Safely defang and refang URLs for reports, notes, and SOC investigations.
IOC Extractor
Extract IPs, domains, URLs, emails, hashes, and CVEs from text.
Phishing URL Analyzer
Analyze URLs for common phishing indicators without visiting them.
Nmap Command Builder
Generate safe Nmap commands for authorized labs and explain common options.
UFW Firewall Generator
Generate common Linux UFW firewall commands for server hardening.
SSH Hardening Checklist
Review practical SSH hardening recommendations for Linux servers.
chmod Calculator
Convert Linux permissions between numeric and symbolic formats.
File Hash Checker
Calculate a file’s SHA-256 hash locally in your browser.
JWT Decoder
Decode JSON Web Token header and payload without verifying the signature.
Password Strength Checker
Estimate password strength locally based on length, variety, and patterns.
CVE Lookup
Open vulnerability details in NVD, MITRE CVE, and related databases.
Security Headers Checker
Open trusted tools to check HTTP security headers and redirect behavior.
Features
Built for speed, privacy, and simplicity.
⚡ Fast Interface
Open tools instantly without unnecessary pages or complicated menus.
🔒 Browser-Based
Most tools run locally in your browser using JavaScript.
📱 Responsive Design
Works on desktop, tablet, and mobile devices.
🛠️ Easy to Customize
Add more tools by creating new cards and JavaScript functions.
FAQ
Common questions.
Does this require PHP or a database?
No. This version only uses HTML, CSS, and JavaScript.
Can I upload this to GoDaddy cPanel hosting?
Yes. Upload the three files into your public_html folder.
Can I add more tools?
Yes. Add a new tool card in HTML and create the tool interface in script.js.
Is this safe for cybersecurity portfolio use?
Yes. These are harmless browser-based utility tools and can be used as a portfolio project.
Some tools use external public services for advanced lookups such as WHOIS, SSL analysis, malware reputation, CMS detection, and web archives. DNS tools may run directly in your browser.