Formatters & Validators
Beautify and validate JSON, XML, YAML, SQL, HTML, CSS, regex, and more.
Popular
JSON Formatter & Validator
Beautify, minify, or validate JSON. Configurable indentation. Instant error highlighting.
Open →XML Formatter
Format or minify XML documents. Validates XML structure and reports parse errors.
Open →YAML Formatter & Validator
Validate and format YAML. Detects common YAML errors like indentation issues and invalid values.
Open →Popular
Regex Tester
Test regular expressions with instant match highlighting, group capture display, and find-and-replace mode.
Open →Diff Viewer
Compare two text blocks side by side with line-by-line diff highlighting. Shows added, removed, and unchanged lines.
Open →