JAB · Toolkit · v1.0

Five web tools. Built for builders.

Precision instruments in your browser — no install, no account, no nonsense. Analyze text, compare diffs, format JSON, test regex, and preview Markdown. Plus JABSysCheck: editorial-grade Windows system diagnostics.

Web Tools · v1.0

Five tools. Zero friction.

Free.
In browser.
No sign-up.
JAB · Toolkit · workspace
Text Analyzer
Text Compare
{ } JSON Formatter
.* Regex Tester
M↓ Markdown
Text Analyzer
Paste text to get instant readability, word count, and structure analysis.
Text Compare
Paste two blocks of text to see exactly what changed, line by line.
JSON Formatter
Paste raw JSON to prettify, minify, or validate. Instant error feedback.
Regex Tester
Type a pattern and test string. Matches highlight in real time.
Markdown Preview
JAB · JABSysCheck · v1.0 · Windows
Desktop · Diagnostic

System diagnostics, editorial-grade.

A timeless dashboard for Windows machines. Built like a monograph, runs like a monitor.

A self-elevating PowerShell collector pairs with an Express API and a Vite + React + Tailwind frontend — refreshing every 30 seconds and reachable from any device on your network. Editorial typography, hairline borders, color-only status indicators. No glow, no neon.

StackPowerShell · Node · React · Vite
Refresh cadence30 seconds
NetworkLAN-accessible
ExportStandalone HTML report
PlatformWindows 10 / 11
LicenseMIT
JABDESK · 16:42:08
Memory
67%
Power
ULT
Defender
ON
Uptime
12.4D
I.Processor & Graphics
CPUIntel i9-13900K
Cores / Threads24 / 32
Load14%
GPURTX 4090 · 24 GB
Driver555.85 · 2026-04-12
refresh · every 30s
What it
tracks.

I. Hardware

  • CPU name · cores · clock · load
  • RAM slots · capacity · speed · vendor
  • GPU · VRAM · driver · resolution
  • Physical disk health & volumes

II. System

  • Network adapters · link speed
  • WiFi SSID & signal strength
  • Active power plan
  • Last boot · uptime in days

III. Health

  • Top 10 processes by memory
  • Top 10 processes by CPU
  • Flagged conflict-prone services
  • Defender real-time status
Built so a client can open it on day one and read the room — what's healthy, what's warning, what's wrong — without parsing a single chart. — JABSysCheck · v1.0 · 2026
Take it with you

Use it here, or take it offline.

All five tools run right here in the browser — or download the single-file HTML version for air-gapped use. One file. Any browser. No install needed.

Instant Download — Works Everywhere

One file. Any browser. No install needed. Open it and go.

JABSysCheck — Windows Diagnostics

v1.0 · Windows 10/11 · PowerShell + Node + React · MIT License

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