Elysia Tools
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Tools
Format, file, archive, unit, and encoding conversion tools
Image, audio, and video processing, conversion, and optimization tools
Calculators, numerics, date logic, statistics, and finance 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 a complete Web Push send: RFC 8291 aes128gcm payload encryption, RFC 8292 VAPID ES256 JWT, RFC 8030 headers, APNs/FCM cross-walk and decrypt round-trip verification.
Convert GraphML, GEXF, DOT, adjacency matrices, and edge-list CSV with network metrics and preview
Compress JSON data by removing all unnecessary whitespace
Convert GPX (GPS Exchange Format) to GeoJSON format
Encode or decode bytes with ZeroMQ Z85, RFC 1924 Base85 or a validated custom alphabet in single or line-batch mode
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
Inject Excel sparklines into worksheet cells by patching XLSX sheet XML with sparkline definitions
Create or update workbook-level named ranges so formulas, validations, and reusable templates can reference stable Excel names
Apply consistent colors, fonts, borders, and header styling to Excel sheets and export branded multi-theme reports