Elysia Tools
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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
Paste CSV, TSV, JSON, key-value, or INI text and download a formatted XLSX spreadsheet
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.
Converter
Decode binary key-value store artifacts byte by byte: Redis RDB snapshots, LevelDB/RocksDB WAL records and SSTable footers, Memcached binary packets, BoltDB and LMDB page headers — with keyspace hex-diff and TTL expiry matrix.
Convert pasted WireGuard or OpenVPN client text into Mihomo/Clash YAML or sing-box JSON with secret-field diagnostics; do not share private keys
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)
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