Essential dev utilities for encoding, decoding, tree formatting, schema validation, and regular expression live matching.
Select any utility below to open its dedicated live interactive workspace.
Convert Markdown syntax into clean, formatted HTML markup with one-click copy.
Convert raw HTML code or web page snippets into clean Markdown format.
Format, beautify, validate, and minify JSON with precise syntax error pointers.
Two-way conversion between YAML and JSON with instant syntax validation.
Two-way converter between CSV tabular data and JSON array of objects.
Beautify, indent, validate, and minify XML and RSS feeds.
Test regular expressions with real-time match highlighting, capture groups, and flag toggles.
Encode plain text or binary files into standard Base64 string format.
Decode Base64 strings back into original plain text or binary files.
Encode special characters into HTML entities (e.g. & to &, < to <).
Decode HTML entities back into plain readable characters.
Percent-encode query parameters and URL components (e.g. spaces to %20).
Decode percent-encoded URLs and query parameters back into plain text.