Elysia Tools
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Format, file, archive, unit, and encoding conversion tools
Calculators, numerics, date logic, statistics, and finance tools
Image, audio, and video processing, conversion, and optimization tools
Color, layout, graphics, visual styling, and design helper tools
Writing, cleanup, formatting, extraction, and text analysis tools
Developer utilities, networking, web debugging, and automation helpers
Format Conversion
Encode or decode bytes with ZeroMQ Z85, RFC 1924 Base85 or a validated custom alphabet in single or line-batch mode
Convert GraphML, GEXF, DOT, adjacency matrices, and edge-list CSV with network metrics and preview
Compress JSON data by removing all unnecessary whitespace
Format, beautify and minify XML with configurable indent. Preserves comments and CDATA
Format and beautify YAML. Note: comments are lost (js-yaml limitation)
Convert text to and from binary bit strings using ASCII (7-bit) or UTF-8 (8-bit) encoding
Escape and unescape XML special characters (& < > " ') with optional numeric references, slash escaping, and CDATA wrapping
Embed generated chart images into Excel workbooks using workbook data ranges for bar or pie chart reports
Batch-apply conditional formatting rules such as threshold highlights, data bars, and color scales to Excel worksheets
Inject Excel sparklines into worksheet cells by patching XLSX sheet XML with sparkline definitions
Fill formulas down worksheet columns and optionally lock formula cells for protected, template-friendly Excel workbooks
Create or update workbook-level named ranges so formulas, validations, and reusable templates can reference stable Excel names