667430000

a personal playground of niche tools for navigating india.
mostly calculators and comparisons for things that are needlessly complicated.

telecom

compare 📱

mobile plans

jio · airtel · vi · bsnl prepaid. per-day, per-gb, true annual cost.

calc 💸

28-day scam calc

input your plan, see the ₹ you bleed every year vs the best annual.

compare 🍿

ott plans

every major streamer in india. monthly vs annual, effective ₹/mo.

builder 🧩

bundle builder

click to stack streaming services. live total, shareable by url.

compare 🛜

broadband

home fiber. jio · airtel · bsnl · act · excitel. ₹/mbps sorted.

finance

calc 🧾

tax regime

old vs new regime, FY 2025–26. picks winner automatically.

calc 💼

ctc → in-hand

full breakdown of your annual ctc to monthly take-home.

calc 🏘️

HRA exemption

the 3-way min-of formula. exempt vs taxable on your HRA.

calc 🏦

emi

loan monthly + total interest + year-by-year amortization.

calc 📈

sip / lumpsum

compound growth chart. sip vs lumpsum at same total invested.

calc 🎯

goal · reverse sip

i want ₹1 Cr by year 15. what monthly sip gets me there?

calc 🌱

compound

slider playground. watch ₹10k become ₹Y Cr at different rates and years.

calc 🔥

FIRE

4 flavours · lean/regular/fat/coast. 25× rule + SWR. age-at-freedom calc.

calc 🏖️

retire

corpus needed vs what you'll have. accumulation + drawdown chart.

calc 🧺

EPF corpus

project your provident fund at retirement, with hikes + 8.25% compounding.

compare 🪙

fd rates

fd rates across banks, sfbs, nbfcs. maturity calc on ₹1L baked in.

calc 🏛️

NPS

corpus at retirement · 60% lump-sum + 40% annuity · pension income.

compare 🌳

PPF · NPS · ELSS

the 80C trinity compared side by side. post-tax net corpus, liquidity, risk.

calc 🏠

stamp duty

property registration cost by state. women's concession where applicable.

calc ⚖️

loan vs invest

extra ₹10L in hand. prepay the home loan or invest it? honest side-by-side.

calc 📈

cap gains

LTCG / STCG for equity, debt, property, gold, crypto. post-FY24 rules.

calc 🧾

gst calc

add or extract GST · 5/12/18/28% slabs · CGST+SGST split · ref table.

calc 🏠

rent vs buy

net worth trajectory. property appreciation vs equity returns.

calc

ev vs petrol

total cost of ownership, break-even year, ₹/km.

calc

fuel · ₹/km

petrol vs diesel vs CNG vs EV. 16 cities. daily/monthly/yearly cost.

calc

₹ in time

what was ₹100 in 1980 worth today. india CPI since 1958.

compare 💳

upi apps

12 apps compared · NPCI transaction limits by category.

decoder 🏦

IFSC decoder

bank + branch from the 11-char code. 70+ indian banks recognized.

decoder 🧾

gstin decoder

15 chars → state, pan, entity, checksum. validates format + mod-36.

util 🔢

numbers to words

indian lakh/crore format. cheque-style in words. scientific + short scale.

dev

util 🎨

palette

5-color palettes from a seed · 7 harmony types · WCAG contrast check.

util

contrast

WCAG AA/AAA check for any two colors · live preview · swap.

util 📝

markdown

live preview · headers, lists, tables, tasks, code. hand-rolled, zero deps.

util 🔣

json

format · minify · sort · validate. tree view. jq-style paths.

util 📑

diff

paste two blobs · see what changed. unified or side-by-side. LCS-based.

util 🔤

text utils

paste once · get 40+ transforms. cases · slugs · base64 · SHA · UUIDs.

util 🔍

regex

test a pattern · highlighted matches · each token explained in english.

util 🔖

commit

conventional commit builder. type · scope · subject · body · footer. rule-checks.

util 🍛

lorem

filler text · classic · indian · startup-bro · sanskrit-ish.

util 📡

morse

text ↔ morse · audible beeps · speed + pitch control · reference chart.

util

crontab

color-coded cron builder. english explanation + next 10 runs.

ref 🌐

http codes

status codes + methods reference. 404 explained, 418 too. tl;dr per code.

util 🔑

passphrase

memorable · strong · diceware-style. generated client-side, never leaves.

util

qr code

text · upi · wifi · vcard → qr. all local, v1-40, png + svg download.

util 🔐

jwt decoder

paste token · see header/payload/sig. claims decoded. local only.

util ⏱️

timestamps

unix ↔ iso ↔ readable · 9 timezones · copy any format.

util 📝

yaml ↔ json

convert + validate · 5 examples (k8s, docker, github, openapi, config).

india · reference & travel

ref 🛂

indian passport

where can you go without an embassy trip? visa-free / on arrival / eTA map.

ref 🗺️

states + UTs

28 states · 8 UTs · capitals, languages, populations, key facts.

ref 📜

the preamble

"we, the people of india..." with every keyword annotated.

calc ✉️

postage

india post rates. postcards (₹0.50 domestic, ₹15 intl), letters, speed post.

viz 🚂

trains of india

iconic routes on a map. class fare compare. the longest train runs 82 hours.

calc 🚇

metro fares

delhi · bangalore · mumbai · chennai · hyderabad · kolkata. km to ₹.

ref 🚗

RTO codes

KA 03 → Bengaluru Indiranagar. 400+ codes across every indian state.

creative 🌀

spirograph

hypotrochoid curves · 3 sliders · animate the draw · png download.

creative

kolam

generative south indian threshold art · symmetric · download as svg.

creative 🕉️

mandala

draw with 2–24 arms of rotational symmetry · save as png.

ref 🍃

onam sadya

26 dishes on a banana leaf · each one, its place, its role.

ref 🍛

thalis of india

8 regional thalis · dish by dish · the story behind each plate.

ref 🍚

biryani

12 biryani traditions · kachchi vs pakki · rice, meat, technique.

ref 🍵

chai

12 regional chais · masala, cutting, kahwa, noon, sulaimani, po cha.

ref 🌶️

spices

30 indian spices · when to temper vs bloom vs finish.

ref 🏛️

heritage

all 43 UNESCO world heritage sites in india. cultural · natural · mixed.

ref 🌾

seasons

six ritus · monsoon arrival dates · festivals month by month.

ref 🪔

holidays · 2026

national, religious, regional. next-up countdown + month-by-month.

ref 🇮🇳

prime ministers

every indian pm since 1947 · interactive timeline bar · key events.

ref 🚀

ISRO missions

every major mission since 1975 · chandrayaan, mangalyaan, aditya-L1.

ritual 🎵

tanpura

synth drone for riyaaz or meditation · 15 Sa keys · 5 samvadi choices.

viz

ship of theseus

replace the planks plank by plank · when does it stop being the same ship?

viz 🚃

trolley problem

5 scenarios · would you pull? an ethical profile at the end.

viz 🚪

monty hall

the probability paradox · play it · run 10k simulations.

viz ⛓️

plato's cave

the allegory in 7 stages · illustrated · with quotes.

ritual 📿

māla

108-bead counter · tap to advance · 7 mantras · round tracker.

ref 🙏

mudras

hand gestures · yogic, dance, buddhist, iconic · 30 most common.

ref 🪷

chakras

seven energy wheels · root to crown · color, mantra, lesson.

ref 📜

gītā

15 essential verses · sanskrit + transliteration + translation + commentary.

ref 🎶

ragas

time-of-day ragas · 24hr color wheel · current hour recommends one.

ref 🪔

languages

22 scheduled languages of india. scripts + speaker counts + families.

everyday

calc 🍽️

split

bill splitter with per-person overrides, settlement, fun avatars.

audit 💳

subs audit

every sub you forgot. ai, cloud, streaming, gym. 25-year alt-invest reveal.

viz 🍅

focus

pomodoro timer. classic 25·5, deep 50·10, ultradian 90·20. progress ring.

viz 🌬️

breath

breathwork timer. box, 4·7·8, coherent. big orb, soft colors.

util ⌨️

typing

15/30/60/120s typing test. WPM + accuracy + personal best saved.

util ⏱️

stopwatch

measure + count down. laps with best/worst highlight. spacebar to go.

util 🎲

decide

coin · dice · pick one · shuffle · split teams · random number.

viz 🌍

timezones

cross-zone meeting planner. one bar per zone, working hours visible.

vibe 💻

terminal

retro phosphor-green CRT · `help` `fortune` `matrix` `cowsay` `neofetch`.

viz ☀️

today

daily dashboard · date · moon · sun times · quote · history · fact · year.

viz 🕰️

clock

svg analog clock · roman / arabic / devanagari / vedic numerals.

viz 📖

literature clock

a clock made of quotes · the time inside literary sentences.

viz 🌙

moon

tonight's phase, illumination, 29-day calendar. svg moon with craters.

calc 🎂

age

precise age down to the second. 1 billion seconds, 10k days, jupiter years.

vibe ❄️

snow

flakes falling on a still scene · wind sound optional · silence visible.

vibe 🐠

aquarium

slow fish drift through a tank · swaying plants · click to feed.

vibe 🪼

jellyfish

glowing jellies drift upward · pulsing bells · tentacle trails.

vibe 💧

ripples

click · ripple · pentatonic note. interference patterns. 5 palettes.

vibe 🔥

campfire

flames · embers · rotating quote · optional crackle. stay as long as you like.

vibe 🌌

aurora

flowing bands of light over a mountain silhouette · 4 color palettes.

vibe 🎋

pond

koi drift · lotus leaves float · click the water to feed them.

vibe 🌧️

rain

rain on a window · city lights through the haze · click to ripple · optional sound.

viz 🧬

game of life

conway's classic · 9 presets (glider, pulsar, gosper gun, acorn) · draw your own.

viz 🐜

langton's ant

two rules. chaos for 10k steps. then inexplicably, a highway forever.

viz 🌀

maze

generate + solve live · 4 generators · 3 pathfinders · speed control.

viz 🕰️

double pendulum

chaos from two rigid rods · "chaos twins" mode shows divergence.

viz 🐦

emergence

boids · 3 rules · no leader · yet they flock. click to stir.

viz 📍

you are here

zoom out from your room to the observable universe · 12 scales.

viz 🌠

deep time

13.8 billion years compressed to a year. humans arrive in the last 8 minutes.

creative

constellation

click to place stars · connect them · name your own constellation.

ref 🧠

biases

40 cognitive biases · how to spot each one · 7 categories.

viz 🧮

fermi

guess big numbers from scratch · step-by-step hints · score tracker.

viz 👽

drake equation

how many alien civilizations? · 7 sliders · 5 presets · fermi paradox.

viz 🌌

kardashev scale

type I to III civilizations · planet, star, galaxy · we're 0.73.

viz 🕰️

life in weeks

every box is a week. one of them is this one. (after tim urban)

viz 🪦

dead at my age

notable people whose story ended before yours did. memento mori.

other

curated 🎬

movies

what's on — malayalam releases and where they're streaming.

game 🎯

2048

slide tiles, merge same numbers, reach 2048. best score saved.

game 🔢

sudoku

4 difficulties · pencil mode · hints · check · built-in solver.

game 💣

minesweeper

beginner · intermediate · expert · chord-reveal · long-press flag.

game 🐍

snake

classic nokia-era snake · speed slider · wrap/solid walls · swipe.

game 🃏

memory

flip cards, match pairs · 3 difficulties · 5 emoji themes.

creative ✏️

whiteboard

draw, sketch, erase · 3 tools, 7 colors, 4 sizes · save as png.

vibe 🌌

gravity

the landing page simulation. G = 6.6743 × 10⁻¹¹.

meta 🖤

e-ink mode

design principles + toggle to apply grayscale/no-motion site-wide.

meta 💡

idea

what's on the backlog · what just shipped · the site's todo.