Build. Automate.
Scale Everything.
44 free professional tools for security audits, DNS analysis, network testing and developer productivity. No login. No tracking.
Our 5 flagship tools
Security, DNS, email deliverability & performance — the tools we obsess over. Built deeper, updated faster, trusted by professionals.
Website Security Scanner
Scan a website for security headers, HTTPS config, cookie flags, and common vulnerabilities.
Domain Intelligence Scanner
Full domain recon — WHOIS age, DNS records, SSL status, security headers, tech stack detection.
Load Testing
Stress test any website with up to 200 virtual users. Get latency, throughput, error rates and a full downloadable report.
DNS Lookup Tool
Check DNS records for any domain. Lookup A, AAAA, MX, CNAME, TXT and NS records online.
DMARC Record Checker
Validate your domain's DMARC policy. Check alignment, policy mode, reporting URIs and configuration issues.
Also popular
Quick access to the most-loved utilities.
DMARC Record Checker
Validate your domain's DMARC policy. Check alignment, policy mode, reporting URIs and configuration issues.
SPF Record Checker
Validate SPF records and detect issues — too many lookups, syntax errors, and missing includes.
DKIM Record Checker
Look up and validate DKIM public key records. Verify selector, key length, algorithm and flags.
IP Address Lookup
Find your public IP address and get geolocation details. Free IP lookup tool with location, ISP and timezone info.
Full DNS Record Lookup
Retrieve every DNS record type for a domain in one query — A, AAAA, MX, NS, TXT, SOA, CAA and more.
Password Generator
Generate strong, secure random passwords instantly. Customize length, characters, and complexity.
JSON Formatter & Validator
Format, beautify and validate JSON data online. Pretty print JSON with syntax highlighting.
Currency Converter
Convert between world currencies with live exchange rates. Fast, free and accurate currency conversion tool.
QR Code Generator
Generate QR codes for URLs, text, email and more. Free online QR code maker with download option.
Image to Text (OCR)
Free online OCR — extract text from images, screenshots and scanned documents. 16 languages, batch processing, 100% private.
Regex Tester
Test and debug regular expressions in real time. See matches highlighted with capture groups and explanations.
Browse by category
10 categories. 44 tools. All free. No login.
All tools
Pick a tool and get started instantly — sorted by relevance.
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All tools
Pick a tool and get started instantly — sorted by relevance.
Website Security Scanner
Scan a website for security headers, HTTPS config, cookie flags, and common vulnerabilities.
Domain Intelligence Scanner
Full domain recon — WHOIS age, DNS records, SSL status, security headers, tech stack detection.
Load Testing
Stress test any website with up to 200 virtual users. Get latency, throughput, error rates and a full downloadable report.
Web Traffic Analyzer
Deep-scan any website — detect technologies, audit SEO, check performance, security headers, DNS, accessibility and content analytics.
DNS Health Report
Comprehensive DNS audit for any domain. Checks NS delegation, SOA, MX, SPF, DMARC, DNSSEC and more.
Phishing Link Checker
Analyze URLs for phishing indicators — suspicious patterns, homoglyph domains, and redirect chains.
SSL Certificate Checker
Verify SSL/TLS certificates for any domain. Check expiry date, issuer, certificate chain and configuration.
DNS Lookup Tool
Check DNS records for any domain. Lookup A, AAAA, MX, CNAME, TXT and NS records online.
DMARC Record Checker
Validate your domain's DMARC policy. Check alignment, policy mode, reporting URIs and configuration issues.
SPF Record Checker
Validate SPF records and detect issues — too many lookups, syntax errors, and missing includes.
DKIM Record Checker
Look up and validate DKIM public key records. Verify selector, key length, algorithm and flags.
IP Reputation Checker
Check if an IP address is listed on major blacklists (DNSBL). Detect spam sources and abusive IPs.
DMARC Report Analyzer
Upload and parse DMARC aggregate XML reports. Visualize pass/fail rates and sender alignment.
IP Address Lookup
Find your public IP address and get geolocation details. Free IP lookup tool with location, ISP and timezone info.
Full DNS Record Lookup
Retrieve every DNS record type for a domain in one query — A, AAAA, MX, NS, TXT, SOA, CAA and more.
DNS Propagation Checker
Check DNS propagation across global nameservers. See if your DNS changes have spread worldwide.
GEO IP Checker
Geolocate any IP address or domain. Get country, city, ISP, ASN and coordinates from an IP.
Website to IP Lookup
Resolve any website hostname to its IP address instantly. Supports IPv4 and IPv6 results.
Reverse IP Lookup
Find all domains hosted on a given IP address. Discover shared hosting neighbors and server density.
CNAME Record Lookup
Look up CNAME alias records for any domain. Trace the full CNAME chain to its canonical name.
TXT Record Lookup
Retrieve all TXT records for a domain. View SPF, DKIM, DMARC, and site verification entries.
BIMI Record Checker
Check BIMI (Brand Indicators for Message Identification) DNS records. Verify your brand logo in email clients.
DMARC Record Generator
Build a valid DMARC policy record with a guided wizard. Set policy, reporting URIs and alignment.
SPF Record Generator
Create syntactically correct SPF DNS records. Add IP ranges, includes, and policy mechanisms.
DKIM Record Generator
Generate DKIM DNS TXT records with proper syntax. Configure selector, key size, flags and algorithm.
Password Generator
Generate strong, secure random passwords instantly. Customize length, characters, and complexity.
JSON Formatter & Validator
Format, beautify and validate JSON data online. Pretty print JSON with syntax highlighting.
Currency Converter
Convert between world currencies with live exchange rates. Fast, free and accurate currency conversion tool.
QR Code Generator
Generate QR codes for URLs, text, email and more. Free online QR code maker with download option.
Image to Text (OCR)
Free online OCR — extract text from images, screenshots and scanned documents. 16 languages, batch processing, 100% private.
Regex Tester
Test and debug regular expressions in real time. See matches highlighted with capture groups and explanations.
Hash Generator (MD5 / SHA256)
Generate MD5, SHA-1, SHA-256 and SHA-512 hashes from any text online. Free cryptographic hash calculator.
Base64 Encoder / Decoder
Encode text to Base64 or decode Base64 to text online. Free Base64 encoding and decoding tool.
URL Encoder / Decoder
Encode or decode URLs online. Percent-encode special characters for safe URL usage.
URL Shortener
Shorten long URLs into clean, short links. Free URL shortener with copy-to-clipboard.
Word Counter
Count words, characters, sentences and paragraphs instantly. Free online word and character counter.
Text Case Converter
Convert text to uppercase, lowercase, title case, sentence case, camelCase, and more. Free online case changer.
Lorem Ipsum Generator
Generate lorem ipsum placeholder text for your designs and layouts. Choose paragraphs, sentences or words.
JSON to CSV Converter
Convert JSON data to CSV format online. Easy JSON array to CSV table conversion with download option.
CSV Viewer & Analyzer
Upload and view CSV files in a clean table. Get basic statistics, column analysis and row counts.
Unit Converter
Convert length, weight, temperature, volume and speed units instantly. Free online unit conversion calculator.
Time Zone Converter
Convert time between different time zones worldwide. Easy and accurate time zone conversion tool.
File Size Calculator
Convert file sizes between bytes, KB, MB, GB and TB. Free online file size converter and calculator.
Why choose ToolZilla?
Built for speed, privacy, and zero friction.
Lightning fast
Server-side rendered. Tools load instantly. No spinners, no delays, no bloat.
Privacy first
Most tools run 100% in your browser. Zero tracking, zero data collection.
Works everywhere
Responsive design. Looks stunning on phone, tablet and desktop.
Trusted by developers worldwide
Build with our
Developer API
Integrate DNS lookup, security scanning, SSL analysis, and geolocation into your apps. Free tier with 100 req/day — no credit card required.
# Free — no key needed
curl "https://toolbox.starnomina.tn/api/dns
?domain=github.com&type=A"
# Response (JSON)
{
"Answer": [
{ "data": "140.82.121.3" }
],
"Status": 0
}Ready to secure your infrastructure?
Run a full security scan, check your DNS health, validate SPF/DMARC — all in under 30 seconds. No sign-up required.
Used by teams in 180+ countries · GDPR compliant · Zero data collection