Elysia Tools
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Search and filter the online tool directory by task, format, and category, then open detailed pages with clear inputs, examples, and execution context.
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
Format, file, archive, unit, and encoding conversion tools
Writing, cleanup, formatting, extraction, and text analysis tools
Structured data cleanup, analysis, transformation, and table workflows
Format Conversion
Generate a table of contents from Markdown headings with GitHub-style anchor links
Format and beautify TOML. Note: comments are lost and key order may change (@iarna/toml limitation)
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 hexadecimal strings with flexible spacing, prefix (0x/\x/U+), and case options
Convert text to and from binary bit strings using ASCII (7-bit) or UTF-8 (8-bit) encoding
Convert text to/from Unicode escape sequences (\uXXXX / \u{XXXXXX}) and apply Unicode normalization (NFC/NFD/NFKC/NFKD)
Escape and unescape XML special characters (& < > " ') with optional numeric references, slash escaping, and CDATA wrapping
Convert GitHub-flavored Markdown into Slack-friendly mrkdwn and flag unsupported constructs
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