Format Conversion
Encode and decode data to/from Base64 format with URL-safe options
base64-converterFormat Conversion
Encode and decode Base64 strings
base64-encoderFormat Conversion
Encode and decode text to/from Base91 format (ascii+basE91 algorithm)
base91-converterFormat Conversion
Format, beautify and minify XML with configurable indent. Preserves comments and CDATA
xml-formatterFormat Conversion
Format and beautify YAML. Note: comments are lost (js-yaml limitation)
yaml-formatterFormat Conversion
Escape and unescape XML special characters (& < > " ') with optional numeric references, slash escaping, and CDATA wrapping
xml-escapeFormat Conversion
Embed generated chart images into Excel workbooks using workbook data ranges for bar or pie chart reports
xlsx-chart-embedderFormat Conversion
Batch-apply conditional formatting rules such as threshold highlights, data bars, and color scales to Excel worksheets
xlsx-conditional-formatting-ruleFormat Conversion
Inject Excel sparklines into worksheet cells by patching XLSX sheet XML with sparkline definitions
xlsx-sparkline-injectorFormat Conversion
Fill formulas down worksheet columns and optionally lock formula cells for protected, template-friendly Excel workbooks
xlsx-formula-injectorFormat Conversion
Create or update workbook-level named ranges so formulas, validations, and reusable templates can reference stable Excel names
xlsx-named-range-injectorFormat Conversion
Apply consistent colors, fonts, borders, and header styling to Excel sheets and export branded multi-theme reports
xlsx-sheet-theme-pack