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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
Converter
Detects, validates and bridges crypto wallet seeds offline: BIP-39 checksum and entropy recovery, SLIP-39 Shamir share parsing with RS1024 checksum and single-group recombination, Electrum v2 version-tag validation and legacy v1 detection — then derives the BIP-32 master xprv/xpub and the first five m/44′/0′/0′/0 addresses, and converts entropy both ways between BIP-39 mnemonics and single-group SLIP-39 share sets.
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 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 GPX (GPS Exchange Format) to GeoJSON format
Convert characters to/from hex (\xXX) and Unicode (\uXXXX) escape sequences
Extract and convert HTML table data to CSV format
Simple text encryption and decryption using various algorithms
Convert between HashiCorp Configuration Language (HCL) and JSON formats for Terraform configurations
Convert between HashiCorp Configuration Language (HCL) and TOML formats for infrastructure configurations