All tools
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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 →VLSM / Subnet Planner
Plan variable-length subnets from a parent block, allocate host requirements across segments and export an addressing table.
In developmentPowerShell 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 → LiveBatch & Shell Script Generator
Generate Windows batch (.bat/.cmd) and Linux bash scripts for backups, cleaning old files, loops, service restarts, disk checks and connectivity logging.
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 → 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 →Cloud Cost Estimator
Compare monthly compute, storage and egress cost estimates across tiers to sanity-check infrastructure plans before you commit.
In developmentTerraform Snippet Generator
Generate clean Terraform for common cloud resources — AWS S3/EC2/SG/RDS, Azure storage and GCP instances — with providers, variables and outputs.
Open tool →Hash & Encoding Toolkit
Generate/verify SHA-256, SHA-1 and MD5 digests, and convert between Base64, hex and URL-safe encodings — all client-side, nothing leaves your browser.
In developmentPassword & Passphrase Generator
Generate strong passwords or memorable passphrases with configurable length, character sets and entropy scoring. Nothing leaves your browser.
Open tool →Cron Expression Builder
Build and decode cron schedules with a plain-English explanation of when the job will next run. Handy for CI runners and Linux automation.
In developmentDocker Compose Generator
Compose a docker-compose.yml from common services — web, db, cache, reverse proxy — with sane defaults and healthchecks.
In developmentGit Command Builder
Build the exact Git command you need — undo commits, rebase, stash, cherry-pick, force-push safely, revert and tag — with explanations and a cheatsheet.
Open tool → LiveKubernetes YAML Validator
Lint and sanity-check Kubernetes manifests — common schema mistakes, missing probes, resource limits and securityContext warnings.
Open tool →Meta & OG Tag Generator
Build perfect Open Graph, Twitter Card and SEO meta tags with a live snippet preview — paste-ready head block for any website.
In developmentRegex Tester
Test regular expressions live with match highlighting, capture groups, flags and a replace preview. JavaScript flavour, 100% client-side.
Open tool →JWT Decoder & Debugger
Decode and inspect JWTs — header, payload, expiry and signing algorithm — fully client-side, tokens never leave your browser.
In developmentYAML ⇄ JSON Converter
Convert between YAML and JSON instantly, with validation and pretty/compact options. Great for config files and manifests.
In developmentDNS & 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 →Log Parser & Filter
Paste logs and filter/aggregate them — grep-like patterns, error counts, timelines and exportable summaries. Client-side.
In developmentSLA / Uptime Calculator
Turn an SLA percentage into allowed downtime per day, month and year — and check if your uptime target is realistic for your stack.
In developmentRAID & Storage Calculator
Compare RAID 0/1/5/6/10 capacity, usable space and fault tolerance for your disk layout before you buy drives.
In developmentAirport 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 →METAR / TAF Decoder
Decode raw METAR and TAF aviation weather reports into plain English — wind, visibility, cloud layers, pressure and trends.
In developmentAI Ops Assistant
Ask IT questions to an AI assistant — scripts, networking, cloud, security and troubleshooting. Free model with no key, or plug in your own OpenRouter key for premium models.
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