All tools

Browser-based, instant, and free. Grouped by category — jump straight to what you need.

Spreadsheet

Answer a few questions and get a working Excel formula — no syntax to memorize.

Paste any Excel formula and get a plain-English, part-by-part breakdown.

Build Google Sheets formulas step by step, including QUERY and ARRAYFORMULA.

Understand exactly what a Google Sheets formula does before you trust it.

Describe the pattern you need in plain language and get a regular expression.

Paste a regular expression and get a token-by-token plain-English explanation.

Test regular expressions live against sample text with instant match highlighting.

Pick columns, operators and values to build a WHERE clause visually.

Choose two tables and a join type to generate the correct JOIN syntax.

Paste messy SQL and get it cleanly indented and capitalized instantly.

Reformat dense or minified SQL into readable, consistently styled queries.

Build an XPath expression by choosing elements, attributes and conditions.

Test XPath expressions against sample XML/HTML with live match results.

Compose precise CSS selectors from element, class, id and state options.

Pick a schedule visually and get the matching cron expression instantly.

Paste a cron expression and get a plain-English description of its schedule.