Browser-based utilities
Open a tool.Get an answer.Close the tab.
24 sharp little tools for the jobs that interrupt an ordinary day. No account, nothing uploaded, no waiting.
Results filter as you type. Use the up and down arrow keys to move through them, and Enter to open the highlighted tool.
- EMI CalculatorWork out a loan EMI and what it really costs
- JSON FormatterFormat, validate and minify JSON
- Word CounterWords, characters, sentences and reading time
- Password GeneratorStrong passwords, generated in your browser
- AI Resume BuilderBetaBuild a resume, then sharpen it with AI
5 tools
All toolsThe catalogue
Everything Karloo does, on one screen
Grouped by the kind of job you need doing — which is also how you find the tool you did not know was here.
24 tools / 5 categories
Calculators
5 tools · Numbers, settled
Text
3 tools · Words, tidied
Converters
5 tools · One format to another
AI
1 tool · Smart helpers
Real output, computed on this page
Every value below came out of the tool it names, from the input shown next to it. None of it is a screenshot.
JSON Formatter
{"tool":"json-formatter","uploads":0,"runsIn":"your browser","valid":true}
{
"tool": "json-formatter",
"uploads": 0,
"runsIn": "your browser",
"valid": true
}EMI Calculator
₹25,00,000 · 8.5% · 20 years
₹21,696/ month
- Interest
- 52%
- Total
- ₹52,06,939
Word Counter
A 28-word paragraph
- Words
- 28
- Characters
- 155
- Read time
- < 1 min
Karloo is a collection of small, focused tools for the tasks that interrupt an ordinary day. Nothing you type is uploaded, and none of it needs an account.
The position
Built for the everyday things that deserve to feel effortless
Most tool sites make you fight through ads, pop-ups and a sign-up wall before answering a question you could have solved on paper. Karloo is built the other way round.
24 tools / 5 categories / 0 accounts
Instant
No sign-up, no waiting screen, and no upsell between you and an answer. Every tool page is static and works on the first load.
Private by design
23 of the tools never send what you type anywhere — they run on your own device, which is also why none of them ask who you are. The AI tools are the exception, and they say so on the page.
Actually fast
Light pages that load on a weak connection and an old phone, because most of the people who need a quick calculation are not on a desk.
Useful by default
Each tool answers a real question and shows the working behind it, rather than printing a number and leaving you to trust it.
One place for the little things.
Calculations, formatting, conversions, developer odds and ends and a bit of AI — 24 tools in one tab that loads before you have finished thinking about it.