CHRISBMN WEBTOOLS
🛠️ My Personal Web-Toolset

webtools.chrisbmn.com

PHP-powered tools for network diagnostics, security, DNS, development, and more.

All Tools 47 tools
🌐
IP Address Lookup
Geolocation, ISP, ASN, and organization info for any IP address.
Network →
📡
My IP Address
Instantly see your public IP, location, and connection details.
Network →
🔍
DNS Lookup
Query DNS records (A, AAAA, MX, TXT, NS, CNAME, PTR, SRV) for any domain.
Network →
↩️
Reverse DNS (PTR)
Resolve an IP address back to a hostname using PTR records.
Network →
🔢
Subnet Calculator
CIDR subnet calculator — network address, broadcast, usable range, wildcard mask.
Network →
🔌
Port Checker
Test whether a TCP port on a host is open or closed.
Network →
📋
HTTP Headers Viewer
Fetch and display all HTTP response headers for any URL.
Network →
🔗
Redirect Chain Checker
Follow and display the full redirect chain from any URL.
Network →
🗺️
ASN / BGP Lookup
Look up the Autonomous System Number, organization, RIR, and advertised prefixes for any IP or ASN.
Network →
⚡
CDN Cache Tester
Check cache status, cache headers, CDN vendor, and response time for any URL.
Network →
📋
WHOIS Lookup
Look up registration, expiry, registrar, and nameserver info for any domain.
Domain →
🔒
SSL Certificate Checker
Inspect TLS/SSL certificate details, expiry, issuer, and SAN entries.
Domain →
📧
Email Deliverability Checker
Verify MX, SPF, DKIM, DMARC, and BIMI records to diagnose email deliverability for any domain.
Domain →
📊
DMARC Report Analyzer
Parse and visualize DMARC aggregate (RUA) XML reports to spot authentication failures and unauthorized senders.
Domain →
🔑
Password Generator
Generate cryptographically secure passwords with custom length and character sets.
Security →
#️⃣
Hash Generator
Generate MD5, SHA-1, SHA-256, SHA-512, RIPEMD-160, and more hashes from text.
Security →
🪙
JWT Decoder
Decode and inspect JWT token header, payload, and claims without verification.
Security →
📨
SMTP TLS Report Analyzer
Parse and analyze MTA-STS TLS reports (RFC 8460 / TLSRPT) from Google, Microsoft, or any mail provider.
Security →
🏅
SSL/TLS Grade Analyzer
Grade SSL/TLS configuration: certificate health, HSTS, security headers, redirect chain, and cipher quality.
Security →
📜
CSR Generator
Generate a Certificate Signing Request (CSR) and RSA private key for SSL/TLS certificate issuance.
Security →
🛡️
security.txt Validator
Validate a site's security.txt file against RFC 9116 — checks required fields, expiry, and canonicalization.
Security →
📋
Paste
Share code or text with a short URL. Syntax highlighting, raw view, and fork support.
Developer →
🔄
Base64 Encode / Decode
Encode or decode Base64 strings, including URL-safe Base64.
Developer →
📄
JSON Formatter / Validator
Validate, pretty-print, or minify JSON. Highlights syntax errors.
Developer →
🔗
URL Encode / Decode
Percent-encode or decode URL strings, with RFC 3986 and HTML form modes.
Developer →
🧩
Regex Tester
Test and debug PHP-compatible regular expressions with live match highlighting.
Developer →
🎲
UUID Generator
Generate cryptographically random UUID v4 values in bulk.
Developer →
↔️
Text Diff
Compare two blocks of text line by line and highlight additions, deletions, and unchanged lines.
Developer →
📝
Lorem Ipsum Generator
Generate placeholder Lorem Ipsum text by paragraphs, sentences, or words.
Developer →
🏛️
Roman Numeral Converter
Convert Roman numerals to numbers and numbers to Roman numerals, live.
Developer →
🎨
Color Converter
Convert colors between hex, RGB, HSL, HWB, LCH, CMYK, and CSS names, live.
Developer →
🔠
Case Converter
Transform a string into camelCase, snake_case, kebab-case, Title Case, and more, live.
Developer →
📰
Markdown to HTML
Convert Markdown to rendered HTML, live, with one-click Print as PDF.
Developer →
🗒️
HTML to Markdown
Convert HTML markup to clean Markdown source, live.
Developer →
🔗
OG / Meta Tag Previewer
Fetch any URL and preview its Open Graph and Twitter Card tags as a social share card.
Developer →
⏱️
Unix Timestamp Converter
Convert between Unix timestamps and human-readable dates across timezones.
Utilities →
🌍
Time Zone Converter
Convert any date and time across 40+ world timezones, with a live world clock.
Utilities →
📐
CIDR / IP Range Builder
Convert between IP ranges and CIDR notation, or list all IPs in a block.
Utilities →
🗓️
Cron Expression Builder
Build or explain cron expressions visually and see upcoming run times.
Utilities →
📸
Website Screenshot
Capture a server-side screenshot of any public URL and view it instantly.
Utilities →
📅
Date-Time Converter
Convert a date or time into ISO 8601, RFC 3339/7231, Unix timestamp, Mongo ObjectID, Excel serial, and more — live.
Utilities →
🔳
QR Code Generator
Generate and download a QR code for a URL or any text, with custom colors, error resistance, and an optional center logo.
Utilities →
🖼️
Favicon Generator
Turn one image into a full favicon package -- light/dark variants, shape and background options, Apple/Android icons, a web manifest, and personalized install instructions.
Utilities →
🖥️
User Agent Parser
Parse a user agent string to identify browser, OS, device type, and bots.
Reference →
📖
HTTP Status Codes
Complete reference for all HTTP status codes with descriptions and use cases.
Reference →
🔀
Git Cheatsheet
Quick reference for the most common Git commands, plus the gotchas that bite people.
Reference →
😀
Emoji Picker
Browse, search, and copy emoji — with the Unicode code point and JS escape sequence for each one.
Reference →
🔎

No tools match your search. Try a different keyword.