Data & Developer Tools 14
SQL, dbt, and AI-assisted utilities for data work.
SQL Explainer
Live
Paste a query, get a plain-English breakdown of every clause.
SQL
Open →
SQL Formatter
Live
Paste messy SQL, get it cleanly indented and standardized.
SQL
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SQL → dbt Scaffolder
Live
Paste raw SQL, get a starting dbt model with a schema stub.
SQL
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Schema Generator
Live
Paste a CSV, get a CREATE TABLE statement for Postgres, MySQL, and DuckDB.
SQL
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Error Decoder
Live
Paste a dbt or SQL error, get the likely cause and fix.
AI
Open →
YAML / Jinja Formatter
Live
Clean up messy dbt schema and macro files.
dbt
Open →
dbt Test Generator
Live
Paste a model's SQL, get suggested schema tests as YAML.
dbt
Open →
ER Diagram Generator
Live
Paste CREATE TABLE statements, get an entity-relationship diagram.
SQL
Open →
UUID Generator
Live
Generate v4 (random) or v7 (time-ordered) UUIDs, one or in bulk.
Util
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Timestamp Converter
Live
Unix epoch ↔ date, ISO 8601, and a world clock across timezones.
Util
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JWT Decoder
Live
Decode a JWT's header and payload, with expiry status at a glance.
Util
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Diff Checker
Live
Compare two versions of text or SQL and see exactly what changed.
SQL
Open →
Markdown Table ⇄ CSV
Live
Convert a Markdown table to CSV, or CSV to an aligned Markdown table.
Util
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Table Storage Size Estimator
Live
Paste CREATE TABLE statements, get a per-column byte-size estimate.
SQL
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Everyday Utilities 5
Converters and explainers for common formats.
Unit Converter
Live
Convert length, weight, temperature, volume, speed, time, and storage.
Util
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Cron Explainer
Live
Turn a cron expression into a human-readable schedule, with next run times.
Util
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JSON ⇄ CSV Converter
Live
Convert between JSON and CSV without leaving the tab.
Util
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Color Picker
Live
HEX/RGB/HSL conversion, shades & tints, and a WCAG contrast checker.
Util
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Regex Explainer
Live
Paste a pattern, get a plain-English breakdown plus live match testing.
Util
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Finance Calculators 7
Quick projections for loans and investments.
SIP Calculator
Live
Project the future value of a recurring investment, in USD or INR.
Fin
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Lumpsum Calculator
Live
Project the future value of a one-time investment, in USD or INR.
Fin
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Loan EMI Calculator
Live
Work out your monthly installment, in USD or INR.
Fin
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Goal SIP Calculator
Live
Work backward from a target amount to the monthly SIP you need.
Fin
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Step-Up SIP Calculator
Live
Project a SIP that increases every year, with a year-by-year breakdown.
Fin
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Lumpsum + SIP Calculator
Live
Combine a one-time lumpsum with an ongoing SIP, with an optional step-up.
Fin
Open →
Rule of 72 / Doubling Time
Live
How many years to double your money at a given return — approx. vs. exact.
Fin
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Other Tools 3
Health, kids, and a few things that didn't fit elsewhere.
BMI Calculator
Live
Check your Body Mass Index in metric or imperial units.
Health
Open →
Math Practice
Live
Timed addition, subtraction, multiplication, and division practice for kids.
Kids
Open →
Chanting - Nam Jap
Live
Mala counter for mantra chanting — 11, 21, 54, 108, or a custom target.
Spiritual
Open →
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