Tools
Generate a solid-color placeholder box with label text, as SVG, PNG, or a data URL — drawn entirely in your browser.
Generate random integers or decimals within a range, optionally unique and sorted, computed locally in your browser.
Free online regex tester — see highlighted matches, capture groups, and a live replacement preview, entirely in your browser.
Generate synthetic SQL INSERT statements for MySQL or PostgreSQL from a table/column definition — a code generator only.
Format, beautify, validate and minify SQL online directly in your browser. Fast, private and free — your SQL never leaves your device and is never executed.
Format, beautify and minify XML online directly in your browser. Fast, private and free — your XML never leaves your device.
Convert XML to JSON, directly in your browser, using a clear and consistent attribute/element convention.
Convert XML to YAML, directly in your browser, using the same attribute/element convention as our XML/JSON converters.
Format and validate YAML online directly in your browser. Fast, private and free — your YAML never leaves your device.
Convert YAML to JSON, directly in your browser — supports mappings, sequences, block scalars, and anchors.