Featured Product
Dev Tools
GraphQL Query Formatter
Format and beautify GraphQL queries, mutations, subscriptions, and fragments online. Pretty-print with 2/4-space or tab indentation, or minify to a single line — 100% client-side.
jq Query Tester
Test jq filter expressions against JSON in your browser. Pipe, select, map, sort_by, group_by, and more — entirely client-side with sample queries and inline errors.
JSONPath Tester
Test and evaluate JSONPath expressions against JSON data instantly in your browser.
SQL Query Explainer
Paste a SQL query and get a clear, step-by-step explanation in plain English. Works with SELECT, JOIN, WHERE, GROUP BY, CTEs, UPDATE, INSERT, and DELETE — all client-side.
XPath Tester
Test and evaluate XPath expressions against XML or HTML documents instantly in your browser. Supports XPath 1.0 with axes, predicates, and node-set functions — 100% client-side.
Generator
GraphQL Query Builder
Build GraphQL queries online with variables, field selection, JSON body preview, and copy-ready cURL output for fast API testing.
SQL WHERE Clause Builder
Build SQL WHERE clauses visually with grouped conditions, AND/OR logic, IN, BETWEEN, LIKE, IS NULL, and dialect-aware quoting. Output inline or parameterized SQL for MySQL, PostgreSQL, SQLite, and SQL Server.