Exploring Tech, Finance & Productivity
Practical articles, free developer tools, and finance calculators. No jargon, no fluff.
The Python Library That Replaced Pandas for Most Use Cases
Polars runs 5-50x faster than pandas, uses a fraction of the memory, and has an API that is strictly better once you spend a day with it.
Read MoreThe Real Cost of Switching Mutual Funds Every Year - STCG and Exit Load Math
Every year, a subset of investors reviews their mutual fund portfolio, finds that a different fund has performed better over the past 12-18 …
Read MoreHow Vercel Makes Money While Giving Everything Away for Free
Vercel runs a textbook developer-led growth playbook: get developers hooked for free, then bill their employers when the project goes to …
Read MoreWhy Thematic Funds Always Launch at the Top of the Cycle
In 2021, AMCs launched a wave of thematic funds around technology, digital innovation, and consumption. By 2022, most of these funds were …
Read MoreUS Stocks from India: Vested vs INDmoney vs Winvesta Fee Comparison
The number of Indian investors buying US stocks directly has grown significantly in the last five years. Three platforms dominate this …
Read MoreWhy TypeScript Strict Mode Is Non-Negotiable
Turning off strict mode in TypeScript gives you the false comfort of a type system while keeping all the runtime bugs it was supposed to …
Read MoreParag Parikh Flexi Cap: Why It Holds Alphabet and Meta in an Indian Fund
Parag Parikh Flexi Cap Fund is a domestic mutual fund that buys shares in Alphabet (Google’s parent) and Meta. For most investors accustomed …
Read MoreThe Postgres Extension That Makes MongoDB Irrelevant
JSONB plus the pg_jsonschema and pg_vectorize extensions give you everything MongoDB offers, with the reliability of a 30-year-old database …
Read MoreHow Mistral Became the Most Interesting AI Company in Europe
In a field dominated by American hyperscalers, a Paris-based company with fewer than 200 employees has become a genuine alternative to …
Read MoreMid Cap Index Fund vs Mid Cap Active Fund: 10 Years of Head-to-Head Data
Unlike large caps, active mid-cap managers have historically beaten the Nifty Midcap 150 index more often. But the margin is narrowing and …
Read MoreSWP from Mutual Funds: The Math Behind Living Off Your Portfolio
Systematic Withdrawal Plans let you draw a fixed monthly income from your mutual fund corpus. The tax efficiency, sequence of returns …
Read MoreHow Dividend Yield Stocks Perform in Bear Markets: NSE Data 2008-2024
Dividend yield stocks are considered defensive. NSE data across three major bear markets shows they lose less than the index but still lose …
Read MoreThe Flexi Cap Fund That Consistently Allocates 60% to Large Caps Anyway
Flexi cap funds are sold as dynamic allocation across market caps. Most of them are effectively large-cap funds with a 20% mid-cap tilt. The …
Read MoreThe Real Reason Your Loan Gets Rejected Despite a Good Credit Score
Your CIBIL score is 780 and your loan application still came back rejected. This is more common than you think, and it is almost never …
Read MoreSector Funds: Why Timing the Cycle Almost Always Destroys Returns
Sector funds attract investors after their best years and see outflows after their worst. AMFI data on sector fund flows vs returns shows …
Read MoreBitcoin in India: Tax Reality, Legal Status, and How Much to Allocate
Bitcoin is legal to hold in India but taxed punitively at 30% with no loss offset allowed. The real question is not whether to own it but …
Read MoreHDFC Nifty 50 vs UTI Nifty 50 vs SBI Nifty 50: Who Wins on Tracking Error
All three track the same index but deliver different actual returns. Tracking error and tracking difference are the metrics that matter - …
Read MoreWhy the Grey Market Premium on IPOs is Mostly Noise
Grey market premiums are unregulated, opinion-based, and have correctly predicted strong listing gains roughly as often as a coin flip. The …
Read MoreWhy Your DSA Skills Are Not the Bottleneck Anymore
You can solve hard LeetCode problems and still bomb interviews. The game has shifted, and most engineers have not noticed.
Read MoreInternational ETFs Available in India: Returns, Expense Ratios, and Taxes
SEBI has restricted new inflows to many international funds, but options still exist. Here is a complete breakdown of available …
Read MoreDeveloper Tools
JSON Formatter
Format, validate & minify JSON instantly in your browser.
Open ToolJWT Decoder
Inspect JWT header, payload, and expiry without sharing tokens.
Open ToolProtobuf Encoder
Encode JSON to Protobuf binary or decode binary back to JSON.
Open ToolRegex Tester
Test regex patterns with real-time matching and group highlights.
Open ToolBase64 Encoder
Encode and decode Base64 strings with a single click.
Open ToolHash Generator
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes instantly.
Open ToolUUID Generator
Generate random v4 UUIDs. Copy with one click.
Open ToolUnix Timestamp
Convert between Unix timestamps and human-readable dates.
Open ToolFinance Calculators
SIP Calculator
Calculate monthly SIP growth with the power of compound interest.
EMI Calculator
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1 Crore SIP
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Emergency Fund
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HRA Calculator
Compute your tax exemption under Section 10(13A).
Investment Growth
Project your portfolio's future value with annual step-ups.
Want to practice coding? Browse 50 DSA problems with clean solutions.