The right tool
on the belt.

TOOL-01

Watts · Cost · 24/7

Power & Cost Calculator

List your gear, set your electricity rate, and see the true cost of keeping it powered around the clock.

TOOL-02

Drives · RAID · Usable

RAID Storage Calculator

Enter drive count, size, and RAID level — get usable capacity, fault tolerance, and efficiency instantly.

TOOL-03

UPS · Runtime · Load

UPS Runtime Calculator

Select your UPS model and connected equipment to see estimated runtime and load percentage.

TOOL-04

IP · CIDR · Masks

IPv4 Subnet Calculator

Paste any address or CIDR — get network, broadcast, usable hosts, masks, and a live bit-level view.

TOOL-05

VLAN · Subnets · Plan

VLAN / Subnet Planner

Enter a parent block and the number of subnets needed — get a ready-to-configure VLAN table.

TOOL-06

DNS · Records · DoH

DNS Lookup

DNS records, RDAP/WHOIS registration data, and IP geolocation — all from a single lookup.

TOOL-07

Speed · Size · Time

Transfer Time Calculator

Enter a file size and link speed — see how long a transfer will take, with real-world estimates.

TOOL-08

RAID · Rebuild · Risk

RAID Rebuild Estimator

Estimate rebuild time and risk window after a drive failure. Presets for common NAS drives.

TOOL-09

Hash · Checksum · Verify

Hash / Checksum Verifier

Compute MD5, SHA-1, SHA-256, or SHA-512 for any file or text. Nothing leaves your device.

TOOL-10

MB · GB · TB · GiB

Data Size Converter

Convert between bits, bytes, KB, MB, GB, TB — and their binary (KiB, MiB, GiB) equivalents.

TOOL-11

Mbps · GB/s · Interfaces

Network Speed Converter

Convert Mbps, Gbps, MB/s, GB/s across all throughput units. Presets for Ethernet, USB, Wi-Fi, NVMe, and more.

TOOL-12

Cron · Schedule · Explain

Cron Expression Builder

Type any cron expression and get plain English plus the next 10 scheduled run times. Common presets included.

TOOL-13

Epoch · Unix · Datetime

Unix Timestamp Converter

Convert epoch timestamps to human-readable dates and back. Live clock, timezone support, seconds and milliseconds.

TOOL-14

SLA · Uptime · Nines

SLA Uptime Calculator

Enter any availability percentage and see allowed downtime per year, month, week, day, and hour.

TOOL-15

Encode · Decode · Base64

Base64 Encoder / Decoder

Encode and decode Base64 and URL-safe Base64 strings. Live encode-as-you-type. Nothing leaves your device.

TOOL-16

JWT · Token · Claims

JWT Decoder

Paste a JSON Web Token to inspect its header, payload, claims, and expiry. Entirely client-side — nothing sent.

TOOL-17

CIDR · Aggregate · Summarize

CIDR Aggregator

Paste a list of IPs and CIDR blocks and get back the minimal set of supernets. Useful for firewall ACL cleanup.

TOOL-18

MAC · OUI · Vendor

MAC Vendor Lookup

Identify the manufacturer of any network device from its MAC address via the IEEE OUI database.

TOOL-19

Password · Passphrase · Entropy

Password Generator

Generate cryptographically secure passwords and diceware passphrases with real entropy estimates.

TOOL-20

Ports · TCP · UDP

Port Number Reference

Searchable table of well-known TCP and UDP ports with service names and descriptions.

TOOL-21

HTTP · Status · Codes

HTTP Status Codes

Searchable reference for all HTTP status codes — 1xx through 5xx — with descriptions and common causes.

TOOL-22

New tool

Storage Capacity Growth Forecaster

Enter current usage and a growth rate to see when storage hits a full threshold — months remaining, a projected date, and a month-by-month table.

TOOL-23

New tool

chmod & umask Calculator — Symbolic ↔ Octal

Convert Linux/Unix file permissions between checkboxes, symbolic notation, and octal — plus a umask calculator showing the resulting default file and directory permissions.

TOOL-24

New tool

PoE Budget Calculator — Switch Power Budget vs. Devices

Add your PoE devices and check total draw against your switch's power budget — with common PoE class presets for APs, cameras, and phones.

TOOL-25

New tool

Rack Unit & Weight Planner — U Budget & Airflow

Plan a rack layout — track U space used, total weight against rack load rating, and catch mixed front-to-back/side-to-side airflow before it becomes a heat problem.

TOOL-26

New tool

VM & Container Sizing Planner — vCPU & RAM Overcommit

Plan VM or container sizing against real host capacity — vCPU:pCPU overcommit ratio, RAM allocation, and how much headroom is left before you add the next guest.

TOOL-27

New tool

ZFS Pool Capacity Calculator — vdev & RAIDZ Planner

Calculate usable ZFS pool capacity for stripe, mirror, RAIDZ1/2/3 vdevs — raw vs usable capacity, parity overhead, and how many drives can fail.