IT utilities that just work.
A growing catalogue of free, browser-based tools for IT professionals, system administrators, network engineers, developers and cybersecurity enthusiasts. No sign-up. No install. Nothing leaves your device.
Tools ready to use right now
Handy utilities you can open, use and copy from instantly — everything runs in your browser.
Subnet Calculator
IPv4 CIDR calculator with network/broadcast, usable host range, wildcard mask and subnet split. Built for network engineers and sysadmins who need answers instantly.
Open tool → LivePowerShell Script Generator
Generate clean, commented PowerShell for common admin tasks — services, processes, event logs, AD queries and bulk file operations. Copy straight into your console.
Open tool → LiveSQL Query Builder
Visually assemble safe SELECT / INSERT / UPDATE / DELETE statements with joins, filters and ordering — then copy parameterised SQL you can paste into your client.
Open tool → LiveAirport Display Template Builder
Design FIDS-style airport flight information displays in your browser — edit flights, theme and colours, then export a standalone HTML + CSS file with zero dependencies.
Open tool → LiveDNS & SPF/DKIM/DMARC Checker
Look up A, AAAA, MX, NS, TXT and CNAME records for any domain via DNS-over-HTTPS, then audit SPF, DKIM and DMARC with plain-English findings — plus record generators.
Open tool → LiveRegex Tester
Test regular expressions live with match highlighting, capture groups, flags and a replace preview. JavaScript flavour, 100% client-side.
Open tool → LivePython Script Generator
Generate clean, commented Python for file handling, CSV, HTTP APIs, log parsing, argparse CLIs, subprocess and SQLite — with type hints and a __main__ guard.
Open tool →Built around real IT problems
We focus where demand is highest and where we can add the most value.
Network & Infrastructure
Subnet/CIDR maths, VLSM planning, troubleshooting helpers and connectivity checks.
PowerShell & Automation
Generate clean admin scripts for Windows, services, event logs and bulk operations.
Python & Scripting
Python, batch and bash script generators for automation across Windows and Linux.
SQL & Data
Query builders, formatters and utilities for DBAs and application developers.
Cloud & DevOps
Cost estimators, cron builders and CI/CD helpers for modern infrastructure.
Security
Hashing, encoding and analysis tools — all processed locally, never uploaded.
Aviation & Airport Displays
FIDS-style airport display templates built with plain HTML + CSS, plus METAR/TAF weather decoders.
Web & Frontend
Meta tags, Open Graph builders, favicons and CSS helpers for shipping better sites.
Data & Encoders
JWTs, Base64, JSON/YAML and other formats — decoded and converted entirely client-side.
Email & Deliverability
SPF, DKIM and DMARC record builders plus deliverability helpers for mail admins.
Monitoring & SRE
SLA maths, uptime targets and log helpers for on-call engineers and ops teams.
Calculators & Converters
RAID capacity, bandwidth, storage sizing and everyday IT maths in one place.
AI & Automation
An AI ops assistant and prompt tooling to speed up daily admin work.
Latest updates
New tools and improvements — the catalogue grows regularly.
Cryptographically-secure passwords and EFF-style passphrases generated locally — entropy meter, copy in one click, nothing leaves your browser.
Open →Plug in a free Google AI Studio key and use Gemini 2.5 Flash/Pro alongside the free model and OpenRouter frontier models.
Open →Validate K8s YAML, generate Terraform snippets for AWS/Azure/GCP, and build the exact Git command you need.
Open →Look up DNS records for any domain and audit your email deliverability — with record generators.
Open →Generate Python scripts plus Windows batch and Linux bash scripts for everyday automation.
Open →Now 19 tasks with parameters, error handling and dry-run — services, AD, event logs, disks, networking and more.
Open →Design FIDS-style departure and arrival boards and export a standalone HTML + CSS file — zero dependencies, host it anywhere.
Open →Ask IT questions free with no key, or plug in your own OpenRouter key for frontier models (Claude, GPT, Gemini).
Open →Have an idea for a tool?
The catalogue grows from real needs. Suggest a utility, request a feature or report a bug — the best ideas get built.
Suggest a tool →