Validate and format JSON with error positions and indentation controls.

Validate JSON and generate compact minified output.

Format XML safely with external entities and remote resources blocked.

Convert quoted CSV rows into a JSON array of objects.

Convert a JSON array of objects into a CSV file.

Turn plain text into safe paragraph and line-break HTML.

Extract readable plain text from pasted HTML.

Convert common Markdown syntax into HTML with a safe preview.

Encode UTF-8 text as Base64 directly in your browser.

Decode valid UTF-8 Base64 and show invalid-input errors.