Formatting

Formatting online tools, 13 in total: JSON Formatter, YAML to JSON Converter, JSON Viewer, CSS Minifier, Duplicate Finder, Diff Viewer, RegEx Tester, JSON to Excel, Markdown to HTML Converter – Free Online, CSV to JSON Converter – Free Online, JavaScript Formatter, HTML Formatter, JSON to TypeScript. Everything runs in your browser — no uploads or sign-up.

All tools
JSON FormatterLocalFormat, minify and validate JSON in your browser.
YAML to JSON ConverterLocalConvert between YAML and JSON instantly in your browser.
JSON ViewerLocalVisualize JSON as an interactive graph or a collapsible tree in your browser.
CSS MinifierLocalMinify or beautify CSS instantly in your browser.
Duplicate FinderLocalFind repeated lines or words and count them in your browser.
Diff ViewerLocalCompare two texts character by character with inline highlighting and a similarity score.
RegEx TesterLocalTest and highlight regular expressions live in your browser.
JSON to ExcelLocalConvert JSON to a flattened spreadsheet and download it as an xlsx file.
Markdown to HTML Converter – Free OnlineLocalConvert Markdown to clean HTML with a live preview, entirely in your browser.
CSV to JSON Converter – Free OnlineLocalUpload or paste a CSV file and convert it to highlighted JSON (or JSON back to CSV), entirely in your browser.
JavaScript FormatterLocalFormat JS, JSX, TS and TSX code instantly in your browser.
HTML FormatterLocalBeautify HTML with clean indentation right in your browser.
JSON to TypeScriptLocalGenerate TypeScript interfaces from JSON in your browser.