Free forever
Free Tools for Analysts
Practical tools for SQL, interviews, experiments, resumes, salaries and your analytics career.
These are built for the people who use this board: data analysts, business analysts, product analysts, BI analysts and anyone else who spends their week in SQL and spreadsheets. Every one is free to use, and none of them ask you to create an account first.
Featured tools
SQL Formatter
Paste an unformatted query and get back consistent indentation, keyword casing and line breaks. It only ever moves whitespace, so the query still means exactly what it did.
Meaning-preserving, checked token for token · Embeddable
Try it freeA/B Test Calculator
Enter visitors and conversions for two variants and get significance, the p-value, a confidence interval and lift, with the caveats that decide whether to act on it.
Maths checked against textbook constants · Embeddable
Try it freeSQL
Write, read and practise the queries the job runs on.
3 tools
Statistics & experiments
Significance, sample sizes, intervals and the summary numbers behind a readout.
6 tools
Data cleaning & spreadsheets
The first pass on any export: clean it, convert it, pattern-match it.
4 tools
Career & job search
Resumes, interviews and the roadmap from first SQL query to first offer.
8 tools
20 of 21 tools are live. More are on the way, and any that are still being built say so plainly on their own page rather than pretending otherwise.
Looking for a job, not a tool?
The board is the main thing here: real analyst roles scraped daily from company career pages, no ghost jobs.
