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DWM // IT TOOLBOX

IT
Toolbox.

Fast, privacy-first utilities for identity, APIs, networking, and day-to-day troubleshooting.

NEW / EMAIL + CYBERSECURITY

Investigate with evidence.

LOCAL / EMAIL

Email Header Analyzer

Trace Received hops, compare sender identities, and inspect authentication claims without uploading mail.

OPEN TOOL → DNS / SPF / DKIM / DMARC

Mail Authentication

Look up public mail DNS or check pasted policies locally. See evidence and limitations together.

OPEN TOOL → LOCAL / TRIAGE

Barracuda Investigation

Turn gateway reasons and rejection text into a focused evidence checklist.

OPEN TOOL → LOCAL / HTTP

Security Header Review

Review pasted response headers for common browser protections, without running a remote scan.

OPEN TOOL →
01 / IDENTITY + AUTHENTICATION

Tokens, SAML, certificates.

JWT / OAUTH

Token Inspector

Decode raw JWTs or OAuth responses, inspect claims, roles, issue/expiry times and token lifetime.

OPEN TOOL → SAML 2.0

SAML Inspector

Decode Base64 SAML responses, inspect issuer, NameID, audience, timestamps and attributes.

OPEN TOOL → X.509 / PEM

Certificate Inspector

Inspect subject, issuer, validity, SANs, serial number and SHA fingerprints.

OPEN TOOL →
02 / DATA + DEVELOPMENT

Validate, transform, compare.

JSON

JSON Validator

Validate, pretty-print and minify JSON with line and character diagnostics for syntax errors.

OPEN TOOL → XML

XML Formatter

Validate XML, report parser errors and produce a readable indented document.

OPEN TOOL → BASE64

Base64 Tool

Encode and decode standard Base64 and Base64URL while preserving Unicode text.

OPEN TOOL → COMPARE

Text Compare

Compare two configs or API responses line-by-line and surface changed, added and removed lines.

OPEN TOOL → REGEX

Regex Tester

Test JavaScript regular expressions and inspect each match, group and offset.

OPEN TOOL →
03 / NETWORKING

Addressing without guesswork.

IPV4 / CIDR

CIDR Calculator

Calculate network, broadcast, subnet mask, wildcard, host range and address counts.

OPEN TOOL →
04 / GENERAL UTILITIES

Small tools, constant use.

TIME

Timestamp Converter

Convert Unix seconds or milliseconds to local/UTC time and convert dates back to epoch.

OPEN TOOL → CRYPTO

Hash Generator

Generate SHA-256, SHA-384 and SHA-512 digests locally with Web Crypto.

OPEN TOOL → IDENTIFIERS

UUID / GUID Generator

Generate one or a batch of cryptographically random UUID v4 identifiers.

OPEN TOOL → URL

URL Encoder / Decoder

Encode or decode URL components and inspect query-string parameters.

OPEN TOOL →