Private Sector Cyber Intelligence Solutions.
Digital Business Card
WelbourneSecurity
BSc (Hons) Cybersecurity
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Live Footprint Snapshot
Inspecting browser exposure... This panel shows the quick browser details exposed immediately on page load.Writeups
Published writeups.
Browser Tools
Fast utility tools for day-to-day security work.
All tools run locally in your browser. Inputs stay on the page unless you choose to copy or download them.
Password Generator
Generate strong passwords locally, then score entropy and overall strength in the same panel.
CIDR / IP Range Converter
Convert an IPv4 CIDR into its network details, wildcard mask, and usable host range.
Alias Permutations
Generate usernames, handles, and email-style aliases from a name or keyword without leaving the browser.
Hash Generator / Verifier
Hash local text with MD5, SHA-1, SHA-256, and SHA-512, then compare a supplied digest for quick verification.
Encoder / Decoder
Convert between Base64, URL, Hex, and HTML entities with one local workbench.
Mode
JWT Decoder
Decode JWT headers and claims locally, with readable time fields and signature status.
Header
Payload
File Metadata + Hash Inspector
Inspect a local file for size, type, timestamps, and multiple hashes without uploading it anywhere.
TOTP Generator
Generate time-based one-time passwords in-browser from a Base32 secret. The secret stays local.
Timestamp Converter
Convert Unix epochs, ISO timestamps, and local date strings into analyst-friendly formats.
Regex Tester
Test patterns, flags, and capture groups against sample text with local preview and match indexing.
Links
My links.
Credential Wall
Credential Wall
Contact