About InkToolkit

Built to be
useful.

Free tools for real life — no paywalls, no accounts, no nonsense.

// The idea

Why Free?

InkToolkit exists because the best utility tools shouldn't cost anything. You shouldn't need to create an account to calculate a tip, figure out how old your dog is in human years, or find out how many days until an event.

Every tool on this site is free, runs entirely in your browser, and never asks for your data. We keep the lights on through advertising — which means you get the tools, we get to keep building them. Simple as that.

// What's here

The Tools

We started with five everyday calculators and we're always adding more. Every tool is designed to be fast, accurate, and actually useful.

🐾
Pet Age Calculator
Convert your pet's age to human years using real scientific models — not the outdated "multiply by 7" myth.
📅
Date Difference
Days, weeks, months, years — and business days too. Perfect for deadlines, anniversaries, and countdowns.
💯
Percentage Calculator
Three modes: find a percentage, figure out what percent one number is of another, or calculate a percentage change.
⏱
Reading Time Estimator
Paste any text and instantly know how long it takes to read — useful for writers, bloggers, and content creators.
💡
Tip Calculator
Calculate the tip, total, and per-person split. No awkward math at the table.
// Our promise

What We'll Never Do

// Who's behind this

Part of Inkburn

INK

Inkburn

InkToolkit is part of the Inkburn family — a California-based creative studio building brands, tools, and content that people actually enjoy. Alongside InkToolkit, Inkburn runs Snarky Tails and Tier Drop.

🐾
Snarky Tails
Pet apparel & gifts with attitude
 🎯
Tier Drop
Quiz channel — how far can you go?