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Free
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Practical tools built by our team for everyday IT and business use. No accounts, no paywalls, no strings.

All tools run in your browser — nothing is stored server-side
Featured Tool
Live & Free

Email Signature
Generator

Build professional HTML email signatures for individuals or entire teams. Upload your logo, customize colors and layout, then copy the HTML directly into Gmail, Outlook, or Apple Mail. Bulk-generate signatures for a whole org from a single CSV upload.

3 Templates
Bulk CSV Mode
6 Social Icons
ZIP Download
Logo Embedded as Base64
Gmail · Outlook · Apple Mail
Open Signature Generator
Hi there — thanks for reaching out. Let me know
what time works best for a call.
Jane Smith
IT Director  ·  Unified Array LLC
(845) 445-8536  |  [email protected]
unifiedarray.com
All Tools
Network & Diagnostics
Live
IP & Network Lookup
Check any IP or domain — or your own. Returns ISP, ASN, geolocation, timezone, and reverse DNS.
Open Tool
Live
Speed Test
Test download, upload, and latency from your connection. Useful for diagnosing bandwidth issues at client sites or comparing against ISP SLAs.
Open Tool
Live
HTTP Ping
Measure HTTP latency to any host with live RTT charting, min/avg/max stats, packet loss, and continuous mode. Runs from your browser directly.
Open Tool
Live
Port Checker
Test whether a TCP port is open or closed on any host from Cloudflare's edge. Includes presets for RDP, SSH, SMTP, HTTPS, SMB, SQL, and more.
Open Tool
Live
Subnet Calculator
Enter any CIDR or IP + mask. Returns network, broadcast, first/last host, wildcard mask, binary breakdown, and subnet split tables.
Open Tool
Live
IP Range Visualizer
Add multiple CIDR blocks to see their address space side by side, detect overlapping ranges, and get a full host count breakdown.
Open Tool
Domain & Security
Live
DNS Record Checker
Look up A, AAAA, MX, CNAME, TXT, NS, SPF, DKIM, and DMARC records for any domain via Cloudflare DoH. Filter by type.
Open Tool
Live
SSL Certificate Checker
Verify certificate validity, expiration countdown, SANs, and issuer chain for any domain. Catches expirations before clients notice them.
Open Tool
Live
WHOIS / Domain Lookup
Look up registration details, expiry date, registrar, and name servers for any domain using the modern RDAP protocol.
Open Tool
Live
Security Header Scanner
Check any site's security headers — HSTS, CSP, X-Frame-Options, Referrer Policy, and more. Instant A–F grade with actionable fixes.
Open Tool
Live
Email Header Analyzer
Paste raw email headers to trace the full routing path, check SPF/DKIM/DMARC results, identify the originating IP, and spot delivery delays.
Open Tool
Generators & Utilities
Live
Password Generator
Cryptographically random passwords using the browser's CSPRNG. NIST, Active Directory, Wi-Fi, and PIN presets. Bulk generate up to 100.
Open Tool
Live
QR Code Generator
Custom QR codes with colors, gradients, dot shapes, frames, and logo overlay. 18 quick presets for Google Reviews, Calendly, Cal.com, Wi-Fi, and more.
Open Tool
Live
Email Signature Generator
Build a professional HTML email signature with your name, title, company, phone, and social links. Copy HTML directly into Gmail, Outlook, or Apple Mail.
Open Tool
Live
Base64 / URL Encoder
Encode and decode Base64, URL encoding, HTML entities, and hex instantly. Live output as you type. Also converts images to Base64 data URIs.
Open Tool
Developer Tools
Live
HTML Viewer
Write, paste, or upload HTML and preview it live in a sandboxed frame. Simulate any viewport width — mobile, tablet, desktop, or custom. Drag the split pane.
Open Tool
Live
File Converter
Convert audio (MP3, WAV, FLAC + 3CX presets), video (MP4, WebM, GIF), images (JPG, PNG, WebP, PDF), and documents — entirely in your browser. Nothing leaves your device.
Open Tool
Live
Company Name Generator
AI-powered company name generator with live domain availability checking across .com .net .io .co .ai and more. Export your top picks to CSV or Excel.
Open Tool
Live
Business Builder
Turn a company name into a complete business identity — mission, values, elevator pitch, services, brand voice, social bios, and a phased launch checklist.
Open Tool
Live
Network Diagram Generator
Describe your network in plain English — AI generates an interactive, fully editable diagram. Drag devices, draw connections, edit labels, apply layouts. Export as PNG or SVG.
Open Tool

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